Asrock 985GM-GS3 FX Manual
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985GM-GS3 FX /
985GM-S3 FX
User Manual
Version 1.0
Published September 2011
Copyright©2011 ASRock INC. All rights reserved.

No part of this manual may be reproduced, transcribed, transmitted, or translated in
any language, in any form or by any means, except duplication of documentation by
the purchaser for backup purpose, without written consent of ASRock Inc.
Products and corporate names appearing in this manual may or may not be regis-
tered trademarks or copyrights of their respective companies, and are used only for
identification or explanation and to the owners’ benefit, without intent to infringe.
Specifications and information contained in this manual are furnished for informa-
tional use only and subject to change without notice, and should not be constructed
as a commitment by ASRock. ASRock assumes no responsibility for any errors or
omissions that may appear in this manual.
With respect to the contents of this manual, ASRock does not provide warranty of
any kind, either expressed or implied, including but not limited to the implied warran-
ties or conditions of merchantability or fitness for a particular purpose.
In no event shall ASRock, its directors, officers, employees, or agents be liable for
any indirect, special, incidental, or consequential damages (including damages for
loss of profits, loss of business, loss of data, interruption of business and the like),
even if ASRock has been advised of the possibility of such damages arising from any
defect or error in the manual or product.
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
may cause undesired operation.
CALIFORNIA, USA ONLY
The Lithium battery adopted on this motherboard contains Perchlorate, a toxic
substance controlled in Perchlorate Best Management Practices (BMP) regulations
passed by the California Legislature. When you discard the Lithium battery in
California, USA, please follow the related regulations in advance.
“Perchlorate Material-special handling may apply, see
www.dtsc.ca.gov/hazardouswaste/perchlorate”
ASRock Website: http://www.asrock.com

1.1 Package Contents ..................................................................... 5
1.2 Specifications ........................................................................... 6
1.3 Motherboard Layout (985GM-GS3 FX / 985GM-S3 FX) ............. 11
1.4 I/O Panel (985GM-GS3 FX)........................................................ 12
1.5 I/O Panel (985GM-S3 FX) .......................................................... 13
Pre-installation Precautions ............................................................... 14
2.1 CPU Installation ......................................................................... 15
2.2 Installation of CPU Fan and Heatsink ....................................... 15
2.3 Installation of Memory Modules (DIMM) .................................... 16
2.4 Expansion Slots (PCI and PCI Express Slots) .......................... 17
2.5 Multi Monitor Feature ................................................................ 18
2.6 AMD Hybrid CrossFireXTM Operation Guide ............................... 20
2.7 Jumpers Setup .......................................................................... 22
2.8 Onboard Headers and Connectors .......................................... 23
2.9 SATAII Hard Disk Setup Guide .................................................. 27
2.10 Serial ATA (SATA) / Serial ATAII (SATAII) Hard Disks
Installation ................................................................................. 28
2.11 Hot Plug and Hot Swap Functions for SATA / SATAII HDDs .... 28
2.12 SATA / SATAII HDD Hot Plug Feature and Operation Guide ..... 29
2.13 Driver Installation Guide ............................................................ 31
2.14 Installing Windows®
7 / 7 64-bit / VistaTM / VistaTM 64-bit / XP /
XP 64-bit With RAID Functions ................................................. 31
2.14.1 Installing Windows® XP / XP 64-bit With RAID
Functions .................................................................... 31
2.14.2 Installing Windows® 7 / 7 64-bit / VistaTM /
VistaTM 64-bit With RAID Functions .............................. 32
2.15 Installing Windows®
7 / 7 64-bit / VistaTM / VistaTM 64-bit / XP /
XP 64-bit Without RAID Functions ............................................ 33
2.15.1 Installing Windows® XP / XP 64-bit Without RAID
Functions ...................................................................... 33
2.15.2 Installing Windows
® 7 / 7 64-bit / VistaTM / VistaTM 64-bit
Without RAID Functions ................................................ 34
2.16 Untied Overclocking Technology .............................................. 35

3.1 Introduction ............................................................................... 36
3.1.1 BIOS Menu Bar ............................................................... 36
3.1.2 Navigation Keys ............................................................. 37
3.2 Main Screen .............................................................................. 37
3.3 OC Tweaker Screen ................................................................. 39
3.4 Advanced Screen ....................................................................... 43
3.4.1 CPU Configuration ........................................................... 44
3.4.2 Chipset Configuration ...................................................... 45
3.4.3 ACPI Configuration .......................................................... 46
3.4.4 Storage Configuration ...................................................... 47
3.4.5 PCIPnP Configuration ...................................................... 49
3.4.6 Floppy Configuration ........................................................ 50
3.4.7 Super IO Configuration .................................................... 50
3.4.8 USB Configuration ........................................................... 52
3.5 Hardware Health Event Monitoring Screen ................................. 53
3.6 Boot Screen .............................................................................. 54
3.6.1 Boot Settings Configuration ............................................. 54
3.7 Security Screen ......................................................................... 55
3.8 Exit Screen ................................................................................ 56
4.1 Install Operating System ........................................................... 57
4.2 Support CD Information .............................................................. 57
4.2.1 Running Support CD ........................................................ 57
4.2.2 Drivers Menu ................................................................... 57
4.2.3 Utilities Menu .................................................................. 57
4.2.4 Contact Information.......................................................... 57

Thank you for purchasing ASRock 985GM-GS3 FX / 985GM-S3 FX motherboard, a
reliable motherboard produced under ASRock’s consistently stringent quality control.
It delivers excellent performance with robust design conforming to ASRock’s com-
mitment to quality and endurance.
In this manual, chapter 1 and 2 contain introduction of the motherboard and step-by-
step guide to the hardware installation. Chapter 3 and 4 contain the configuration
guide to BIOS setup and information of the Support CD.
Because the motherboard specifications and the BIOS software might be
updated, the content of this manual will be subject to change without
notice. In case any modifications of this manual occur, the updated
version will be available on ASRock website without further notice. You
may find the latest VGA cards and CPU support lists on ASRock website
as well. ASRock website http://www.asrock.com
If you require technical support related to this motherboard, please visit
our website for specific information about the model you are using.
www.asrock.com/support/index.asp
ASRock 985GM-GS3 FX / 985GM-S3 FX Motherboard
(Micro ATX Form Factor: 9.6-in x 7.2-in, 24.4 cm x 18.3 cm)
ASRock 985GM-GS3 FX / 985GM-S3 FX Quick Installation Guide
ASRock 985GM-GS3 FX / 985GM-S3 FX Support CD
2 x Serial ATA (SATA) Data Cables (Optional)
1 x I/O Panel Shield

Platform - Micro ATX Form Factor: 9.6-in x 7.2-in, 24.4 cm x 18.3 cm
- Solid Capacitor for CPU power
CPU - Support for Socket AM3+ processors
- Support for Socket AM3 processors: AMD Phenom
TM II X6 /
X4 / X3 / X2 (except 920 / 940) / Athlon II X4 / X3 / X2 /
Sempron processors
- Supports 8-Core CPU
- Supports AMD OverDriveTM with ACC feature (Advanced
Clock Calibration)
- AMD LIVE!TM Ready
- Supports AMD’s Cool ‘n’ QuietTM Technology
- FSB 2600 MHz (5.2 GT/s)
- Supports Untied Overclocking Technology (see CAUTION 1)
- Supports Hyper-Transport 3.0 (HT 3.0) Technology
Chipset - Northbridge: AMD 785G
- Southbridge: AMD SB710
Memory - Dual Channel DDR3 Memory Technology (see CAUTION 2)
- 2 x DDR3 DIMM slots
- Support DDR3 1800(OC)/1600(OC)/1333/1066/800 non-ECC,
un-buffered memory (see CAUTION 3)
- Max. capacity of system memory: 8GB (see CAUTION 4)
Expansion Slot - 1 x PCI Express 2.0 x16 slot (blue @ x16 mode)
- 1 x PCI Express 2.0 p6-x1 slot
- 2 x PCI slots
- Supports AMD Hybrid CrossFireXTM
Graphics - Integrated AMD Radeon HD 4200 graphics
- DX10.1 class iGPU, Pixel Shader 4.1
- Max. shared memory 512MB (see CAUTION 5)
- Supports D-Sub with max. resolution up to 2048x1536 @
60Hz
Audio - 5.1 CH HD Audio (Realtek ALC662 Audio Codec)
- Supports THX TruStudioTM
LAN - 985GM-GS3 FX
Realtek PCIE p6-x1 Gigabit LAN RTL8111E,
speed 10/100/1000 Mb/s
- 985GM-S3 FX
Realtek PCIEx1 LAN 8105EL, speed 10/100 Mb/s
- Supports Wake-On-LAN
- Supports PXE

Rear Panel I/O I/O Panel
- 1 x PS/2 Mouse Port
- 1 x PS/2 Keyboard Port
- 1 x Serial Port: COM1
- 1 x VGA Port
- 4 x Ready-to-Use USB 2.0 Ports
- 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
- HD Audio Jack: Line in / Front Speaker / Microphone
Connector - 4 x SATA2 3.0Gb/s connectors, support RAID (RAID 0, RAID 1,
RAID 10 and JBOD), NCQ, AHCI and “Hot Plug” functions
(see CAUTION 6)
- 1 x ATA133 IDE connector (supports 2 x IDE devices)
- 1 x Floppy connector
- 1 x Print port header
- CPU/Chassis/Power FAN connector
- 24 pin ATX power connector
- 4 pin 12V power connector
- Front panel audio connector
- 2 x USB 2.0 headers (support 4 USB 2.0 ports)
BIOS Feature - 8Mb AMI BIOS
- AMI Legal BIOS
- Supports “Plug and Play”
- ACPI 1.1 Compliance Wake Up Events
- Supports jumperfree
- SMBIOS 2.3.1 Support
- CPU, VCCM, NB Voltage Multi-adjustment
Support CD - Drivers, Utilities, AntiVirus Software (Trial Version),
AMD OverDriveTM Utility, CyberLink MediaEspresso 6.5 Trial,
ASRock Software Suite (CyberLink DVD Suite - OEM and Trial;
ASRock MAGIX Multimedia Suite - OEM)
Unique Feature - ASRock OC Tuner (see CAUTION 7)
- ASRock Intelligent Energy Saver (see CAUTION 8)
- ASRock Instant Boot
- ASRock Instant Flash (see CAUTION 9)
- ASRock OC DNA (see CAUTION 10)
- ASRock APP Charger (see CAUTION 11)
- ASRock SmartView (see CAUTION 12)
- ASRock XFast USB (see CAUTION 13)
- ASRock XFast LAN (see CAUTION 14)
- Hybrid Booster:
- CPU Frequency Stepless Control (see CAUTION 15)
- ASRock U-COP (see CAUTION 16)

WARNING
Please realize that there is a certain risk involved with overclocking, including adjusting
the setting in the BIOS, applying Untied Overclocking Technology, or using the third-
party overclocking tools. Overclocking may affect your system stability, or even
cause damage to the components and devices of your system. It should be done at
your own risk and expense. We are not responsible for possible damage caused by
overclocking.
CAUTION!
1. This motherboard supports Untied Overclocking Technology. Please read
“Untied Overclocking Technology” on page 35 for details.
2. This motherboard supports Dual Channel Memory Technology. Before you
implement Dual Channel Memory Technology, make sure to read the
installation guide of memory modules on page 16 for proper installation.
3. Whether 1800/1600MHz memory speed is supported depends on the
AM3/AM3+ CPU you adopt. If you want to adopt DDR3 1800/1600 memory
module on this motherboard, please refer to the memory support list on
our website for the compatible memory modules.
ASRock website http://www.asrock.com
4. Due to the operating system limitation, the actual memory size may be
less than 4GB for the reservation for system usage under Windows
® 7 /
VistaTM / XP. For Windows® OS with 64-bit CPU, there is no such limitation.
5. The maximum shared memory size is defined by the chipset vendor and
is subject to change. Please check AMD website for the latest information.
6. Before installing SATAII hard disk to SATAII connector, please read the “SATAII
Hard Disk Setup Guide” on page 27 to adjust your SATAII hard disk drive to
SATAII mode. You can also connect SATA hard disk to SATAII connector
directly.
- Boot Failure Guard (B.F.G.)
Hardware - CPU Temperature Sensing
Monitor - Chassis Temperature Sensing
- CPU/Chassis/Power Fan Tachometer
- CPU Quiet Fan
- Voltage Monitoring: +12V, +5V, +3.3V, Vcore
OS - Microsoft® Windows
® 7 / 7 64-bit / Vista
TM / VistaTM 64-bit
/ XP / XP Media Center / XP 64-bit compliant
Certifications - FCC, CE, WHQL
- ErP/EuP Ready (ErP/EuP ready power supply is required)
(see CAUTION 17)
* For detailed product information, please visit our website: http://www.asrock.com

7. It is a user-friendly ASRock overclocking tool which allows you to surveil
your system by hardware monitor function and overclock your hardware
devices to get the best system performance under Windows
®
environment. Please visit our website for the operation procedures of
ASRock OC Tuner. ASRock website: http://www.asrock.com
8. Featuring an advanced proprietary hardware and software design,
Intelligent Energy Saver is a revolutionary technology that delivers
unparalleled power savings. The voltage regulator can reduce the number
of output phases to improve efficiency when the CPU cores are idle. In
other words, it is able to provide exceptional power saving and improve
power efficiency without sacrificing computing performance. To use Intel-
ligent Energy Saver function, please enable Cool ‘n’ Quiet option in the
BIOS setup in advance. Please visit our website for the operation proce-
dures of Intelligent Energy Saver.
ASRock website: http://www.asrock.com
9. ASRock Instant Flash is a BIOS flash utility embedded in Flash ROM.
This convenient BIOS update tool allows you to update system BIOS
without entering operating systems first like MS-DOS or Windows
®. With
this utility, you can press <F6> key during the POST or press <F2> key to
BIOS setup menu to access ASRock Instant Flash. Just launch this tool
and save the new BIOS file to your USB flash drive, floppy disk or hard
drive, then you can update your BIOS only in a few clicks without prepar-
ing an additional floppy diskette or other complicated flash utility. Please
be noted that the USB flash drive or hard drive must use FAT32/16/12 file
system.
10. The software name itself – OC DNA literally tells you what it is capable of.
OC DNA, an exclusive utility developed by ASRock, provides a conve-
nient way for the user to record the OC settings and share with others. It
helps you to save your overclocking record under the operating system
and simplifies the complicated recording process of overclocking settings.
With OC DNA, you can save your OC settings as a profile and share with
your friends! Your friends then can load the OC profile to their own system
to get the same OC settings as yours! Please be noticed that the OC
profile can only be shared and worked on the same motherboard.
11. If you desire a faster, less restricted way of charging your Apple devices,
such as iPhone/iPod/iPad Touch, ASRock has prepared a wonderful
solution for you - ASRock APP Charger. Simply installing the APP Charger
driver, it makes your iPhone charged much quickly from your computer
and up to 40% faster than before. ASRock APP Charger allows you to
quickly charge many Apple devices simultaneously and even supports
continuous charging when your PC enters into Standby mode (S1),
Suspend to RAM (S3), hibernation mode (S4) or power off (S5). With
APP Charger driver installed, you can easily enjoy the marvelous charg-
ing experience than ever.
ASRock website: http://www.asrock.com/Feature/AppCharger/index.asp

12. SmartView, a new function of internet browser, is the smart start page
for IE that combines your most visited web sites, your history, your
Facebook friends and your real-time newsfeed into an enhanced view
for a more personal Internet experience. ASRock motherboards are
exclusively equipped with the SmartView utility that helps you keep in
touch with friends on-the-go. To use SmartView feature, please make
sure your OS version is Windows
® 7 / 7 64 bit / VistaTM / VistaTM 64 bit,
and your browser version is IE8.
ASRock website: http://www.asrock.com/Feature/SmartView/index.asp
13. ASRock XFast USB can boost USB storage device performance. The
performance may depend on the property of the device.
14. ASRock XFast LAN provides a faster internet access, which includes
below benefits. LAN Application Prioritization: You can configure your
application priority ideally and/or add new programs. Lower Latency in
Game: After setting online game priority higher, it can lower the latency
in game. Traffic Shaping: You can watch Youtube HD video and down-
load files simultaneously. Real-Time Analysis of Your Data: With the
status window, you can easily recognize which data streams you are
currently transferring.
15. Although this motherboard offers stepless control, it is not recom-
mended to perform over-clocking. Frequencies other than the recom-
mended CPU bus frequencies may cause the instability of the system
or damage the CPU.
16. While CPU overheat is detected, the system will automatically shutdown.
Before you resume the system, please check if the CPU fan on the
motherboard functions properly and unplug the power cord, then plug it
back again. To improve heat dissipation, remember to spray thermal
grease between the CPU and the heatsink when you install the PC
system.
17. EuP, stands for Energy Using Product, was a provision regulated by Euro-
pean Union to define the power consumption for the completed system.
According to EuP, the total AC power of the completed system shall be
under 1.00W in off mode condition. To meet EuP standard, an EuP ready
motherboard and an EuP ready power supply are required. According to
Intel’s suggestion, the EuP ready power supply must meet the standard of
5v standby power efficiency is higher than 50% under 100 mA current
consumption. For EuP ready power supply selection, we recommend you
checking with the power supply manufacturer for more details.

1 PS2_USB_PW1 Jumper 15 System Panel Header (PANEL1, White)
2 ATX 12V Power Connector (ATX12V1) 16 Secondary SATAII Connector
3 CPU Heatsink Retention Module (SATAII_2 (PORT 1))
4 AM3 CPU Socket 17 Primary SATAII Connector
5 2 x 240-pin DDR3 DIMM Slots (SATAII_1 (PORT 0))
(Dual Channel: DDR3_A1, DDR3_B1; Blue) 18 USB 2.0 Header (USB4_5, Blue)
6 CPU Fan Connector (CPU_FAN1) 19 USB 2.0 Header (USB6_7, Blue)
7 ATX Power Connector (ATXPWR1) 20 Chassis Fan Connector (CHA_FAN1)
8 Chassis Speaker Header 21 Floppy Connector (FLOPPY1)
(SPEAKER 1, White) 22 Print Port Header (LPT1, White)
9 Clear CMOS Jumper (CLRCMOS1) 23 Front Panel Audio Header
10 Primary IDE Connector (IDE1, Blue) (HD_AUDIO1, White)
11 Northbridge Controller 24 PCI Slots (PCI1- 2)
12 Southbridge Controller 25 SPI Flash Memory (8Mb)
13 Third SATAII Connector (SATAII_3 (PORT 2)) 26 PCI Express 2.0 p11-x16 Slot (PCIE2; Blue)
14 Fourth SATAII Connector (SATAII_4 (PORT 3)) 27 PCI Express 2.0 p11-x1 Slot (PCIE1; Blue)
28 Power Fan Connector (PWR_FAN1)
Super
I/O
CMOS
BA TTE RY
ATXPWR1
SOCKET AM3
AMD
785G
Chipset
PS2 _USB_ PW 1
1
PCIE1
PCI1
PCI2
LAN
AUDIO
CO D EC
1
CL RC M O S1
C PU _ F AN 1
HD LE D RESE T
PLED PWR BTN
1
PAN E L1
CH A_ FA N1
S PEA KE R1
1
IDE1
FL O P P Y1
HD_AUDIO 1
1
RoHS
24.4cm (9. 6-in)
18.3cm (7. 2-in)
5 61 2 3 4
7
9
10
11
12
13
14
15
1617181920
2122
23
24
25
26
27
8Mb
BIOS
HT3.0
AMD
SB710
Chipset
SA T A I I _3
(SA T A I I _4
PO RT 2) (PO RT 3)
USB 4_5
1
USB 6_7
1
PCIE2
DDR3 1800
T o p:
LI NE IN
Ce n t e r:
FR O NT
Bo t t o m:
MI C IN
PS2
Mo use
PS2
Key board
US B 2.0
T: US B0
B: U SB1
T op :
RJ - 45
USB 2 .0
T: U SB 2
B: US B3
FSB800
DDR3_A1 (64 bit, 240-pi n mod u l e )
DDR3_B1 (64 bit, 240-pi n mod u l e )
Dual Channel
AM3+
FSB2.6GHz
Phenom II
Support 8-Core CPU
ErP/EuP Ready
VGA1
COM1
AT X 12 V1
1
LPT 1
SA T AII _1(PO RT 0) S AT AII _2(PO RT 1)
DX10
8
PWR _F AN 1
28
Design in Taipei

1 PS/2 Mouse Port (Green) 6 Microphone (Pink)
2 USB 2.0 Ports (USB23) 7 USB 2.0 Ports (USB01)
* 3 RJ-45 Port 8 VGA Port
4 Line In (Light Blue) 9 COM Port
5 Line Out (Lime) 10 PS/2 Keyboard Port (Purple)
* To enable Multi-Streaming function, you need to connect a front panel audio cable to the front
panel audio header. Please refer to below steps for the software setting of Multi-Streaming.
For Windows® XP:
After restarting your computer, you will find “Mixer” tool on your system. Please select “Mixer
ToolBox” , click “Enable playback multi-streaming”, and click “ok”. Choose “2CH” or
“4CH” and then you are allowed to select “Realtek HDA Primary output” to use Rear Speaker
and Front Speaker, or select “Realtek HDA Audio 2nd output” to use front panel audio. Then
reboot your system.
For Windows® 7 / Vista
TM:
After restarting your computer, please double-click “Realtek HD Audio Manager” on the
system tray. Set “Speaker Configuration” to “Quadraphonic” or “Stereo”. Click “Device
advanced settings”, choose “Make front and rear output devices playbacks two different audio
streams simultaneously”, and click “ok”. Then reboot your system.
1 2
4
3
5
6
7
8
910
* There are two LED next to the LAN port. Please refer to the table below for the LAN port LED
indications.
LAN Port LED Indications
Activity/Link LED SPEED LED
Status Description Status Description
Off No Activity Off 10Mbps connection
Blinking Data Activity Orange 100Mbps connection
Green 1Gbps connection
LAN Port
ACT/LINK
LED
SPEED
LED

1 PS/2 Mouse Port (Green) 6 Microphone (Pink)
2 USB 2.0 Ports (USB23) 7 USB 2.0 Ports (USB01)
* 3 RJ-45 Port 8 VGA Port
4 Line In (Light Blue) 9 COM Port
5 Line Out (Lime) 10 PS/2 Keyboard Port (Purple)
* To enable Multi-Streaming function, you need to connect a front panel audio cable to the front
panel audio header. Please refer to below steps for the software setting of Multi-Streaming.
For Windows® XP:
After restarting your computer, you will find “Mixer” tool on your system. Please select “Mixer
ToolBox” , click “Enable playback multi-streaming”, and click “ok”. Choose “2CH” or
“4CH” and then you are allowed to select “Realtek HDA Primary output” to use Rear Speaker
and Front Speaker, or select “Realtek HDA Audio 2nd output” to use front panel audio. Then
reboot your system.
For Windows® 7 / Vista
TM:
After restarting your computer, please double-click “Realtek HD Audio Manager” on the
system tray. Set “Speaker Configuration” to “Quadraphonic” or “Stereo”. Click “Device
advanced settings”, choose “Make front and rear output devices playbacks two different audio
streams simultaneously”, and click “ok”. Then reboot your system.
1 2
4
3
5
6
7
8
910
* There are two LED next to the LAN port. Please refer to the table below for the LAN port LED
indications.
LAN Port LED Indications
Activity/Link LED SPEED LED
Status Description Status Description
Off No Activity Off 10Mbps connection
Blinking Data Activity Orange 100Mbps connection
LAN Port
ACT/LINK
LED
SPEED
LED

This is a Micro ATX form factor (9.6-in x 7.2-in, 24.4 cm x 18.3 cm) motherboard.
Before you install the motherboard, study the configuration of your chassis to en-
sure that the motherboard fits into it.
Take note of the following precautions before you install motherboard
components or change any motherboard settings.
Before you install or remove any component, ensure that the
power is switched off or the power cord is detached from the
power supply. Failure to do so may cause severe damage to the
motherboard, peripherals, and/or components.
1. Unplug the power cord from the wall socket before touching any
component.
2. To avoid damaging the motherboard components due to static
electricity, NEVER place your motherboard directly on the carpet or
the like. Also remember to use a grounded wrist strap or touch a
safety grounded object before you handle components.
3. Hold components by the edges and do not touch the ICs.
4. Whenever you uninstall any component, place it on a grounded anti-
static pad or in the bag that comes with the component.
5. When placing screws into the screw holes to secure the motherboard
to the chassis, please do not over-tighten the screws! Doing so may
damage the motherboard.

Step 1. Unlock the socket by lifting the lever up to a 90
o angle.
Step 2. Position the CPU directly above the socket such that the CPU corner with
the golden triangle matches the socket corner with a small triangle.
Step 3. Carefully insert the CPU into the socket until it fits in place.
The CPU fits only in one correct orientation. DO NOT force the CPU
into the socket to avoid bending of the pins.
Step 4. When the CPU is in place, press it firmly on the socket while you push
down the socket lever to secure the CPU. The lever clicks on the side tab
to indicate that it is locked.
After you install the CPU into this motherboard, it is necessary to install a
larger heatsink and cooling fan to dissipate heat. You also need to spray
thermal grease between the CPU and the heatsink to improve heat
dissipation. Make sure that the CPU and the heatsink are securely fas-
tened and in good contact with each other. Then connect the CPU fan to
the CPU FAN connector (CPU_FAN1, see Page 11, No. 6). For proper
installation, please kindly refer to the instruction manuals of the CPU fan
and the heatsink.
STEP 1:
Lift Up The Socket Lever
STEP 2 / STEP 3:
Match The CPU Golden Triangle
To The Socket Corner Small
Triangle
STEP 4:
Push Down And Lock
The Socket Lever
Lever 90° Up
CPU Golden Triangle
Socker Corner Small Triangle

985GM-GS3 FX / 985GM-S3 FX motherboard provides two 240-pin DDR3 (Double Data
Rate 3) DIMM slots, and supports Dual Channel Memory Technology. For dual channel
configuration, you always need to install two identical (the same brand, speed,
size and chip-type) memory modules in the DDR3 DIMM slots to activate Dual Channel
Memory Technology. Otherwise, it will operate at single channel mode.
1. It is not allowed to install a DDR or DDR2 memory module into
DDR3 slot;otherwise, this motherboard and DIMM may be damaged.
2. If you install only one memory module or two non-identical memory
modules, it is unable to activate the Dual Channel Memory Technology.
Please make sure to disconnect power supply before adding or
removing DIMMs or the system components.
Step 1. Unlock a DIMM slot by pressing the retaining clips outward.
Step 2. Align a DIMM on the slot such that the notch on the DIMM matches the break
on the slot.
The DIMM only fits in one correct orientation. It will cause permanent
damage to the motherboard and the DIMM if you force the DIMM into the
slot at incorrect orientation.
Step 3. Firmly insert the DIMM into the slot until the retaining clips at both ends fully
snap back in place and the DIMM is properly seated.
no tch
break
notch
break

There are 2 PCI slots and 2 PCI Express slots on this motherboard.
PCI slots: PCI slots are used to install expansion cards that have the 32-bit PCI
interface.
PCIE slots:
PCIE1 (PCIE p17-x1 slot; Blue) is used for PCI Express cards with p17-x1 lane
width cards, such as Gigabit LAN card, SATA2 card, etc.
PCIE2 (PCIE x16 slot; Blue) is used for PCI Express cards with x16
lane width graphics cards.
Step 1. Before installing the expansion card, please make sure that the power
supply is switched off or the power cord is unplugged. Please read the
documentation of the expansion card and make necessary hardware
settings for the card before you start the installation.
Step 2. Remove the bracket facing the slot that you intend to use. Keep the screws
for later use.
Step 3. Align the card connector with the slot and press firmly until the card is
completely seated on the slot.
Step 4. Fasten the card to the chassis with screws.

This motherboard supports multi monitor feature. With the internal VGA output
support and the external add-on PCI Express VGA card, you can easily enjoy the
benefits of multi monitor feature.
Please refer to the following steps to set up a surround display environment:
1. Install the ATITM PCI Express VGA cards on PCIE2 slot. Please refer to page 17
for proper expansion card installation procedures for details.
2. Connect D-Sub monitor cable to VGA port on the I/O panel. And connect other
monitor cables to the corresponding connectors of the add-on PCI Express
VGA cards on PCIE2 slot.
VGA port
3. Boot your system. Press <F2> to enter BIOS setup. Enter “Share Memory”
option to adjust the memory capability to [32MB], [64MB], [128MB] [256MB] or
[512MB] to enable the function of VGA. Please make sure that the value
you select is less than the total capability of the system memory. If you do not
adjust the BIOS setup, the default value of “Share Memory”, [Auto], will disable
VGA function when the add-on VGA card is inserted to this motherboard.
4. Install the onboard VGA driver and the add-on PCI Express VGA card driver to
your system. If you have installed the drivers already, there is no need to install
them again.
5. Set up a multi-monitor display.
For Windows® XP / XP 64-bit OS:
Right click the desktop, choose “Properties”, and select the “Settings” tab
so that you can adjust the parameters of the multi-monitor according to the
steps below.
A. Click the “Identify” button to display a large number on each monitor.
B. Right-click the display icon in the Display Properties dialog that you wish
to be your primary monitor, and then select “Primary”. When you use
multiple monitors with your card, one monitor will always be Primary,
and all additional monitors will be designated as Secondary.
C. Select the display icon identified by the number 2.
D. Click “Extend my Windows desktop onto this monitor”.

E. Right-click the display icon and select “Attached”, if necessary.
F. Set the “Screen Resolution” and “Color Quality” as appropriate for the
second monitor. Click “Apply” or “OK” to apply these new values.
G. Repeat steps C through E for the diaplay icon identified by the number
one, two and three.
For Windows® 7 / 7 64-bit / VistaTM / VistaTM 64-bit OS:
Right click the desktop, choose “Personalize”, and select the “Display
Settings” tab so that you can adjust the parameters of the multi-monitor
according to the steps below.
A. Click the number ”2” icon.
B. Click the items “This is my main monitor” and “Extend the desktop onto
this monitor”.
C. Click “OK” to save your change.
D. Repeat steps A through C for the display icon identified by the number
three.
6. Use multi monitor feature. Click and drag the display icons to positions
representing the physical setup of your monitors that you would like to use. The
placement of display icons determines how you move items from one monitor to
another.

This motherboard supports ATI
TM Hybrid CrossFireXTM feature. ATITM Hybrid
CrossFireXTM brings multi-GPU performance capabilities by enabling an AMD 785G
integrated graphics processor and a discrete graphics processor to operate
simultaneously with combined output to a single display for blisteringly-fast frame
rates. Currently, ATITM Hybrid CrossFireXTM Technology is only supported with
Windows® VistaTM / 7 OS, and is not available with Windows
® XP OS. In the future,
ATITM Hybrid CrossFireXTM may be supported with Windows®
XP OS. Please visit
our website for updated information.
Step 1. Install one compatible PCI Express graphics card to PCIE2 slot (blue). For
the proper installation procedures, please refer to section “Expansion Slots”.
Step 2. Connect the monitor cable to the correspondent connector on the PCI
Express graphics card on PCIE2 slot.
Step 3. Boot your system. Press <F2> to enter BIOS setup. Enter “Advanced”
screen, and enter “Chipset Settings”. Then set the option “Surround View”
to [Enabled].
Step 4. Boot into OS. Please remove the ATI
TM driver if you have any VGA driver
installed in your system.
Step 5. Install the onboard VGA driver from our support CD to your system for both
the onboard VGA and the discrete graphics card.
Step 6. Restart your computer. Then you will find “ATI Catalyst Control Center” on
your Windows® taskbar.
Vendor Chipset Model Driver
ATI RADEON X2400PRO MSI RX2400 PRO-TD256EH Catalyst 9.12
RADEON HD2400XT * POWERCOLOR HD2400 XT Catalyst 9.12
256MB DDR3
RADEON HD3450 POWERCOLOR AX3450 Catalyst 9.12
256MD2-S
* Currently, RADEON HD2400XT series graphics cards are only supported with
AMD Phenom CPU. Please visit our website for the future driver update and the
latest information.
What does an ATITM Hybrid CrossFireXTM system include?
An ATITM Hybrid CrossFireXTM system includes an ATI
TM RadeonTM 2400 or ATITM
RadeonTM 3450 series graphics processor and a motherboard based on an AMD
785G integrated chipset, all operating in a Windows
® VistaTM / 7 environment. Please
refer to below PCI Express graphics card support list for ATI
TM Hybrid CrossFireXTM.
For the future update of more compatible PCI Express graphics cards, please visit
our website for further information.
ATI Catalyst Control Center

* Hybrid CrossFireXTM appearing here is a registered trademark of ATI
TM Technologies Inc.,
and is used only for identification or explanation and to the owners’ benefit, without intent to
infringe.
* For further information of ATI
TM Hybrid CrossFireXTM technology, please check AMD website
for up dates and details.
Step 7. Double-click “ATI Catalyst Control Center”. Click “View”, click “CrossFire
TM”,
and then select the option “Enable CrossFire
TM”.
View
CrossFireTM Enable CrossFireTM
Step 8. Click “Yes” to continue.
Step 9. Click “OK” to save your change.
Step 10. Reboot your system. Then you can freely enjoy the benefit of Hybrid
TM
CrossFireXTM feature.

+5V
1_2
+5VSB
2_3
The illustration shows how jumpers are setup.
When the jumper cap is placed on pins, the
jumper is “Short”. If no jumper cap is placed on
pins, the jumper is “Open”. The illustration
shows a 3-pin jumper whose pin1 and
pin2 are “Short” when jumper cap is placed on
these 2 pins.
Jumper Setting
PS2_USB_PW1 Short pin2, pin3 to enable
(see p.11, No. 1) +5VSB (standby) for PS/2 or
USB wake up events.
Note: To select +5VSB, it requires 2 Amp and higher standby current provided by
power supply.
Clear CMOS Jumper
(CLRCMOS1)
(see p.11, No. 9)
Note: CLRCMOS1 allows you to clear the data in CMOS. The data in CMOS includes
system setup information such as system password, date, time, and system
setup parameters. To clear and reset the system parameters to default setup,
please turn off the computer and unplug the power cord from the power
supply. After waiting for 15 seconds, use a jumper cap to short pin2 and pin3
on CLRCMOS1 for 5 seconds. However, please do not clear the CMOS right
after you update the BIOS. If you need to clear the CMOS when you just finish
updating the BIOS, you must boot up the system first, and then shut it down
before you do the clear-CMOS action.
Clear CMOS
2_3
1_2
Default

FLO PPY1
Pin1
the red-striped side to Pin1
Onboard headers and connectors are NOT jumpers. Do NOT place
jumper caps over these headers and connectors. Placing jumper caps
over the headers and connectors will cause permanent damage of the
motherboard!
•
Floppy Connector
(33-pin FLOPPY1)
(see p.11 No. 21)
Note: Make sure the red-striped side of the cable is plugged into Pin1 side of the
connector.
Primary IDE connector (Blue)
(39-pin IDE1, see p.11 No. 10)
Note: Please refer to the instruction of your IDE device vendor for the details.
Serial ATAII Connectors These four Serial ATAII (SATAII)
(SATAII_1 (PORT 0): connectors support SATAII
see p.11, No. 17) or SATA hard disk for internal
(SATAII_2 (PORT 1): storage devices. The current
see p.11, No. 16) SATAII interface allows up to
(SATAII_3 (PORT 2): 3.0 Gb/s data transfer rate.
see p.11, No. 13)
(SATAII_4 (PORT 3):
see p.11, No. 14)
connect the black end
to the IDE devices
connect the blue end
to the motherboard
IDE1
PIN1
80-conductor ATA 66/100/133 cable
SATAII_3 SATAII_4
(PORT 2) (PORT 3)
Serial ATA (SATA) Either end of the SATA data cable
Data Cable can be connected to the SATA /
(Optional) SATAII hard disk or the SATAII
connector on this motherboard.
SATAII_1 SATAII_2
(PORT 0) (PORT 1)

J_SENSE
OUT 2_L
1
MIC_RET
PRESENCE#
GND
OUT 2_R
MIC2_R
MIC2_L
OUT _RET
Front Panel Audio Header This is an interface for the front
(9-pin HD_AUDIO1) panel audio cable that allows
(see p.11, No. 23) convenient connection and
control of audio devices.
USB 2.0 Headers Besides four default USB 2.0
(9-pin USB6_7) ports on the I/O panel, there are
(see p.11 No. 19) two USB 2.0 headers on this
motherboard. Each USB 2.0
header can support two USB
2.0 ports.
(9-pin USB4_5)
(see p.11 No. 18)
USB_P RW
USB_P RW
P +7
P-7
P +6
P-6
G DN
G DN
DUMMY
1
US _PWRB
US _PWRB
P+5
P-5
P+4
P-4
GND
GND
DUMMY
1
Print Port Header This is an interface for print
(25-pin LPT1) port cable that allows
(see p.11 No. 22) convenient connection of printer
devices.
1
AF D#
ERRO R #
PIN IT# GND
SLIN #
STB#
SPD0
SPD1
SPD2
SPD3
SPD4
SPD5
SPD6
SPD7
AC K#
B U S Y
PE
SLCT
1. High Definition Audio supports Jack Sensing, but the panel wire on
the chassis must support HDA to function correctly. Please follow the
instruction in our manual and chassis manual to install your system.
2. If you use AC’97 audio panel, please install it to the front panel audio
header as below:
A. Connect Mic_IN (MIC) to MIC2_L.
B. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to OUT2_L.
C. Connect Ground (GND) to Ground (GND).
D. MIC_RET and OUT_RET are for HD audio panel only. You don’t
need to connect them for AC’97 audio panel.
E. To activate the front mic.
For Windows® XP / XP 64-bit OS:
Select “Mixer”. Select “Recorder”. Then click “FrontMic”.
For Windows
® 7 / 7 64-bit / VistaTM / VistaTM 64-bit OS:
Go to the "FrontMic" Tab in the Realtek Control panel. Adjust
“Recording Volume”.

20-Pin ATX Power Supply Installation
Though this motherboard provides 24-pin ATX power connector,
it can still work if you adopt a traditional 20-pin ATX power supply.
To use the 20-pin ATX power supply, please plug your power
supply along with Pin 1 and Pin 13.
ATX Power Connector Please connect an ATX power
(24-pin ATXPWR1) supply to this connector.
(see p.11 No. 7)
12
1
24
13
12
1
24
13
CPU Fan Connector Please connect the CPU fan
(4-pin CPU_FAN1) cable to this connector and
(see p.11 No. 6) match the black wire to the
ground pin.
Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin
CPU fan still can work successfully even without the fan speed control function.
If you plan to connect the 3-Pin CPU fan to the CPU fan connector on this
motherboard, please connect it to Pin 1-3.
3-Pin Fan Installation
Pin 1-3 Connected
+5V
DUMMY
DUMMY
SPEAKER
1
GND
PWR TN#B
PLED-
PLED+
DUMMY
RESET #
GND
HDLED+
HDLED-
1
System Panel Header This header accommodates
(9-pin PANEL1) several system front panel
(see p.11 No. 15) functions.
Chassis Speaker Header Please connect the chassis
(4-pin SPEAKER 1) speaker to this header.
(see p.11 No. 8)
Chassis and Power Fan Connectors Please connect the fan cables
(3-pin CHA_FAN1) to the fan connectors and
(see p.11 No. 20) match the black wire to the
(3-pin PWR_FAN1)
(see p.11 No. 28)
G DN
+12 V
C DHA_FAN_SPEE
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONT ROL
1
2
3
4
PWR_FAN_SPEED
GND
+12V

ATX 12V Power Connector Please connect an ATX 12V
(4-pin ATX12V1) power supply to this connector.
(see p.11 No. 2)

Before installing SATAII hard disk to your computer, please carefully read below
SATAII hard disk setup guide. Some default setting of SATAII hard disks may not be
at SATAII mode, which operate with the best performance. In order to enable SATAII
function, please follow the below instruction with different vendors to correctly adjust
your SATAII hard disk to SATAII mode in advance; otherwise, your SATAII hard disk
may fail to run at SATAII mode.
Western Digital
If pin 5 and pin 6 are shorted, SATA 1.5Gb/s will be enabled.
On the other hand, if you want to enable SATAII 3.0Gb/s, please remove the
jumpers from pin 5 and pin 6.
SAMSUNG
If pin 3 and pin 4 are shorted, SATA 1.5Gb/s will be enabled.
On the other hand, if you want to enable SATAII 3.0Gb/s, please remove the
jumpers from pin 3 and pin 4.
HITACHI
Please use the Feature Tool, a DOS-bootable tool, for changing various ATA
features. Please visit HITACHI’s website for details:
http://www.hitachigst.com/hdd/support/download.htm
1357
2468
1357
2468
The above examples are just for your reference. For different SATAII hard
disk products of different vendors, the jumper pin setting methods may not
be the same. Please visit the vendors’ website for the updates.
Produkt Specifikationer
Mærke: | Asrock |
Kategori: | Bundkort |
Model: | 985GM-GS3 FX |
Bredde: | 244 mm |
Dybde: | 183 mm |
Ethernet LAN-porte (RJ-45): | 1 |
Antal USB 2.0-porte: | 4 |
Udgange til hovedtelefoner: | 1 |
Ethernet LAN: | Ja |
Maksimal opløsning: | 2048 x 1536 pixel |
Kabler inkluderet: | SATA |
Lyd-output kanaler: | 5.1 kanaler |
Certificering: | FCC, CE, WHQL, ErP/EuP |
Strømkilde type: | ATX |
Maksimal intern hukommelse: | 8 GB |
On-board grafikkort: | Ja |
Mikrofonindgang: | Ja |
Processorproducent: | AMD |
Drivere inkluderet: | Ja |
Antal VGA-porte (D-sub): | 1 |
Ethernet-grænsefladetype: | Gigabit Ethernet |
Komponent til: | PC |
Grafikadapter: | Radeon HD 4200 |
Antal serielle porte: | 1 |
Antal PS/2-porte: | 2 |
Processor sokkel: | Socket AM3+ |
PCI Express slots version: | 2.0 |
Systembus-hastighed: | 5.2 GT/s |
PCI Express x16 slots: | 1 |
DirectX-version: | 10.1 |
Kompatibel processor serie: | AMD Phenom II X2, AMD Phenom II X3, AMD Phenom II X4, AMD Phenom II X6 |
Bundkort chipset familie: | AMD |
Bundkort chipsæt: | AMD 785G |
Understøttede hukommelsestyper: | DDR3-SDRAM |
Antal hukommelsesstik: | 2 |
Hukommelses slots type: | DIMM |
Ikke-fejlkorrigerende kode: | Ja |
Understøttede hukommelsesclock-hastigheder: | 800,1066,1333,1600,1800 Mhz |
Ikke-bufferet hukommelse: | Ja |
LAN Kontroller: | Realtek RTL8111E |
Hukommelseskanaler: | To-kanals |
USB 2.0-stik: | 2 |
CPU-ventilatorstik: | Ja |
ATX strømstrik (24 stikben): | Ja |
Lydstik på frontpanel: | Ja |
Antal SATA II stik: | 4 |
Motherboard form faktor: | micro ATX |
Understøttede lagerdrev brugerflader: | Parallel ATA, SATA II |
Maksimal grafikadapterhukommelse: | 512 MB |
PCI Ekspres x1 slots: | 1 |
BIOS-type: | AMI |
BIOS-hukommelsesstørrelse: | 8 Mbit |
ACPI-version: | 1.1 |
Wake-on-LAN klar: | Ja |
RAID-niveauer: | 0, 1,10, JBOD |
Southbridge bundkort: | AMD SB710 |
Strømstik til ventilator: | Ja |
Floppy-drev, stik: | Ja |
PCI-slots: | 2 |
Antal parallelle ATA-stik: | 1 |
Understøttede processor systembusser: | 2600 Mhz |
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