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ASRock 939A785GMH [11/57] Motherboard layout 1 motherboard layout 1 motherboard layout 1 motherboard layout 1 motherboard layout
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1.3 Motherboard Layout1.3 Motherboard Layout
1.3 Motherboard Layout1.3 Motherboard Layout
1.3 Motherboard Layout
Super
I/O
CMOS
BATTERY
ATXPWR1
SOCKET 939
CD1
AMD
785G
Chipset
ATX 12 V1
PS2_USB_PW1
1
COM1
IDE1
PCIE1
PCI1
PCI2
LAN
AUDIO
CODEC
1
CLRCMOS1
1
CPU_FAN1
HDLED RESET
PLED PWRBTN
1
PANEL1
CHA_FAN1
SPEAKER1
1
FLOPPY1
HD_AUDIO1
1
RoHS
24.4cm (9.6-in)
21.8cm (8.6-in)
6
7
1
2
4
3
5
8
9
12
13
14
15
16
17
18
19
20
21
22
23
24
2526
27
28
29
30
31
32
8Mb
BIOS
IR1
1
Gigabit LAN
AMD
SB710
Chipset
USB8_9
1
PCIE2
939A785GMH
DDR400
33
Top:
SIDE SPK
Center:
REAR SPK
Bottom:
SPDIF_01
Top:
LINE IN
Center:
FRONT
Bottom:
MIC IN
PS2
Keyboard
USB 2.0
T: USB 0
B: USB1
Top:
RJ-45
VGA1
DVI_CON1
HDMI1
FSB800
DDR1 (64 bit, 184-pin module)
DDR2 (64 bit, 184-pin module)
FSB800
DDR3 (64 bit, 184-pin module)
DDR4 (64 bit, 184-pin module)
SATAII_1
(
SATAII_2
PORT 0) (PORT 1)
SATAII_3
(
SATAII_4 SATAII_5
PORT 2) (PORT 3) (PORT4)
Dual Channel
PCI Express 2.0
EuP Ready
Hybrid CrossFire
PWR_FAN1
34
USB 2.0
T:USB2
B: USB3
eSATAII_1
USB6_7
1
USB4_5
1
1
LPT1
10
11
1 PS2_USB_PW1 Jumper 19 Third SATAII Connector (SATAII_3 (PORT 2))
2 ATX 12V Power Connector (ATX12V1) 20 Secondary SATAII Connector
3 CPU Heatsink Retention Module (SATAII_2 (PORT 1))
4 939-Pin CPU Socket 21 Primary SATAII Connector
5 CPU Fan Connector (CPU_FAN1) (SATAII_1 (PORT 0))
6 2 x 184-pin DDR DIMM Slots 22 Chassis Speaker Header
(Dual Channel A: DDR1, DDR2; Blue) (SPEAKER 1, White)
7 2 x 184-pin DDR DIMM Slots 23 System Panel Header (PANEL1, White)
(Dual Channel B: DDR3, DDR4; Black) 24 SPI Flash Memory (8Mb)
8 ATX Power Connector (ATXPWR1) 25 Print Port Header (LPT1, White)
9 Primary IDE Connector (IDE1, Blue) 26 Floppy Connector (FLOPPY1)
10 USB 2.0 Header (USB8_9, Blue) 27 Serial Port Connector (COM1)
11 USB 2.0 Header (USB6_7, Blue) 28 Internal Audio Connector: CD1 (Black)
12 USB 2.0 Header (USB4_5, Blue) 29 Front Panel Audio Header
13 Power Fan Connector (PWR_FAN1) (HD_AUDIO1, White)
14 Clear CMOS Jumper (CLRCMOS1) 30 Infrared Module Header (IR1)
15 Southbridge Controller 31 Northbridge Controller
16 Chassis Fan Connector (CHA_FAN1) 32 PCI Express 2.0 x16 Slot (PCIE2; Blue)
17 Fifth SATAII Connector (SATAII_5 (PORT 4)) 33 PCI Express 2.0 x1 Slot (PCIE1; White)
18 Fourth SATAII Connector (SATAII_4 (PORT 3)) 34 Northbridge Controller
Содержание
- A785gmh 1
- User manual 1
- English 2
- 1 1 1 1 introduction introduction introduction introduction introduction 5 5 5 5 5 3
- 2 2 2 2 installation installation installation installation installation 13 13 13 13 13 3
- Contents contents contents contents contents 3
- 1 1 1 1 introduction introduction introduction introduction introduction 5
- 1 1 1 1 pppppack ack ack ack ackage contents age contents age contents age contents age contents 5
- 1 1 1 1 specifications specifications specifications specifications specifications 6
- Caution 9
- 10 10 10 10 10
- 11 11 11 11 11
- A785gmh 11
- Amd 785g chipset 11
- Motherboard layout 1 motherboard layout 1 motherboard layout 1 motherboard layout 1 motherboard layout 11
- 1 1 1 1 i o p i o p i o p i o p i o panel anel anel anel anel 12
- 12 12 12 12 12
- Lan port led indications 12
- Off no link off 10mbps connection blinking data activity orange 100mbps connection on link green 1gbps connection 12
- Table for audio output connection 12
- 13 13 13 13 13
- 2 2 2 2 installation installation installation installation installation 13
- Pre installation precautions pre installation precautions pre installation precautions pre installation precautions pre installation precautions 13
- 14 14 14 14 14
- 2 2 2 2 cpu installation cpu installation cpu installation cpu installation cpu installation 14
- 2 2 2 2 installation of cpu fan and heatsink installation of cpu fan and heatsink installation of cpu fan and heatsink installation of cpu fan and heatsink installation of cpu fan and heatsink 14
- 15 15 15 15 15
- Installation of memor 2 installation of memor 2 installation of memor 2 installation of memor 2 installation of memory modules dimm y modules dimm y modules dimm y modules dimm y modules dimm 15
- 16 16 16 16 16
- Installing a dimm installing a dimm installing a dimm installing a dimm installing a dimm 16
- Notch break 16
- 17 17 17 17 17
- Expansion slots pci and pci express slots 2 expansion slots pci and pci express slots 2 expansion slots pci and pci express slots 2 expansion slots pci and pci express slots 2 expansion slots pci and pci express slots 17
- Installing an expansion card installing an expansion card installing an expansion card installing an expansion card installing an expansion card 17
- 18 18 18 18 18
- Dual monitor and surround display features 2 dual monitor and surround display features 2 dual monitor and surround display features 2 dual monitor and surround display features 2 dual monitor and surround display features 18
- 19 19 19 19 19
- 20 20 20 20 20
- 2 2 2 2 aaaaatitititit 21
- 21 21 21 21 21
- Enjoy the benefit of a enjoy the benefit of a enjoy the benefit of a enjoy the benefit of a enjoy the benefit of atitititit 21
- Hybrid crossf hybrid crossf hybrid crossf hybrid crossf hybrid crossfirex irex irex irex ire 21
- Operation guide operation guide operation guide operation guide operation guide 21
- 22 22 22 22 22
- Crossfir 22
- Enable crossfir 22
- 2 2 2 2 jumpers setup jumpers setup jumpers setup jumpers setup jumpers setup 23
- 23 23 23 23 23
- 24 24 24 24 24
- Onboard headers and connectors 2 onboard headers and connectors 2 onboard headers and connectors 2 onboard headers and connectors 2 onboard headers and connectors 24
- 25 25 25 25 25
- 26 26 26 26 26
- Chassis speaker header please connect the chassis 26
- Functions 26
- Several system front panel 26
- Speaker to this header 26
- System panel header this header accommodates 26
- 27 27 27 27 27
- 29 29 29 29 29
- Caution 29
- Guide guide guide guide guide 29
- Points of attention before you process the hot plug 29
- Sa 2 1 sa 2 1 sa 2 1 sa 2 1 sattttta sa a sa a sa a sa a satttttaii hdd hot plug f aii hdd hot plug f aii hdd hot plug f aii hdd hot plug f aii hdd hot plug feature and operation eature and operation eature and operation eature and operation eature and operation 29
- 30 30 30 30 30
- How to hot plug a sata sataii hdd 30
- How to hot unplug a sata sataii hdd 30
- Points of attention before you process the hot plug please do follow below instruction sequence to process the hot plug improper procedure will cause the sata sataii hdd damage and data loss 30
- Points of attention before you process the hot unplug please do follow below instruction sequence to process the hot unplug improper procedure will cause the sata sataii hdd damage and data loss 30
- 32 32 32 32 32
- 7 64 bit vista 7 7 64 bit vista 7 7 64 bit vista 7 7 64 bit vista 7 7 64 bit vist 32
- Bit w 64 bit w 64 bit w 64 bit w 64 bit with raid f ith raid f ith raid f ith raid f ith raid functions unctions unctions unctions unctions 32
- Installing windows 2 3 installing windows 2 3 installing windows 2 3 installing windows 2 3 installing window 32
- Vista vista vista vista vist 32
- 34 34 34 34 34
- 7 64 bit vista 7 7 64 bit vista 7 7 64 bit vista 7 7 64 bit vista 7 7 64 bit vist 34
- Bit w 64 bit w 64 bit w 64 bit w 64 bit without raid f ithout raid f ithout raid f ithout raid f ithout raid functions unctions unctions unctions unctions 34
- Installing windows 2 4 installing windows 2 4 installing windows 2 4 installing windows 2 4 installing window 34
- Vista vista vista vista vist 34
- 3 3 3 3 bios menu bar bios menu bar bios menu bar bios menu bar bios menu bar 36
- 3 3 3 3 bios setup utility bios setup utility bios setup utility bios setup utility bios setup utility 36
- 36 36 36 36 36
- Introduction 3 introduction 3 introduction 3 introduction 3 introduction 36
- 3 3 3 3 main screen main screen main screen main screen main screen 37
- 3 3 3 3 navigation keys navigation keys navigation keys navigation keys navigation keys 37
- 37 37 37 37 37
- Bios setup utility 37
- Main oc tweaker h w monitor boot security exit advanced 37
- Please check the following table for the function description of each navigation key 37
- System overview 37
- System time hour minute second use this item to specify the system time system date day month date year use this item to specify the system date 37
- To jump to the exit screen or exit the current screen 37
- V02 4 c copyright 1985 2005 american megatrends inc 37
- When you enter the bios setup utility the main screen will appear and display the system overview 37
- 3 3 3 3 oc t oc t oc t oc t oc tweak weak weak weak weaker screen er screen er screen er screen er screen 38
- 38 38 38 38 38
- Bios setup utility 38
- Cpu configuration 38
- Cpu configuration overclock mode use this to select overclock mode the default value is auto configura tion options auto cpu pcie sync cpu pcie async and optimized cpu frequency mhz use this option to adjust cpu frequency pcie frequency mhz use this option to adjust pcie frequency spread spectrum this item should always be auto for better system stability processor maximum multiplier it will display processor maximum multiplier for reference 38
- In the oc tweaker screen you can set up overclocking features 38
- Main advanced h w monitor boot security exit 38
- Memory configuration 38
- Oc tweaker 38
- Processor maximum voltage it will display processor maximum voltage for reference multiplier voltage change this item is set to auto by default if it is set to manual you may adjust the value of processor multiplier and processor voltage however it is recom mended to keep the default value for system stability 38
- V02 4 c copyright 1985 2005 american megatrends inc 38
- 39 39 39 39 39
- Bios setup utility 39
- Cpu configuration 39
- Main advanced h w monitor boot security exit 39
- Memory configuration 39
- Memory configuration memory clock this item can be set by the code using auto you can set one of the standard values as listed 133mhz ddr266 166mhz ddr333 and 200mhz ddr400 39
- Oc tweaker 39
- Processor multiplier this item will show when multiplier voltage change is set to manual otherwise it will be hidden the range of the value depends on the cpu you adopt on this motherboard however for system stability it is not recommended to adjust the value of this item processor voltage this item will show when multiplier voltage change is set to manual otherwise it will be hidden the range of the value depends on the cpu you adopt on this motherboard however for safety and system stability it is not recommended to adjust the value of this item ht bus speed this feature allows you selecting hyper transport bus speed configura tion options auto 200 mhz 400 mhz 600 mhz 800 mhz and 1000 mhz ht bus width this feature allows you selecting hyper transport bus width configura tion options auto 8 bit and 16 bit cpu thermal throttle use this item to enable cpu internal thermal control mechanism to keep the cpu from overheated configuration options disabled auto 12 25 37 50 62 75 and 87 the d 39
- V02 4 c copyright 1985 2005 american megatrends inc 39
- 40 40 40 40 40
- Bios setup utility 40
- Cas latency use this item to adjust the means of memory accessing configuration options auto 2t 2 t and 3t the default value is auto tras use this to adjust tras values configuration options auto 5t to 15t the default value is auto trp use this to adjust trp values configuration options auto 2t to 6t the default value is auto trcd use this to adjust trcd values configuration options auto 2t to 6t the default value is auto trrd use this to adjust trrd values configuration options auto 2t to 4t the default value is auto trc use this to adjust trc values configuration options auto 7t to 22t the default value is auto ma timing use this to adjust values for ma timing configuration options auto 2t 1t the default value is auto burst length burst length can be set to 8 4 or 2 beats 64 bit dq must use the 4 beats 40
- Dram voltage use this to select dram voltage configuration options auto 2 0v to 2 5v the default value is auto 40
- Memory timing 40
- Oc tweaker 40
- V02 4 c copyright 1985 2003 american megatrends inc 40
- 41 41 41 41 41
- 3 3 3 3 advanced screen advanced screen advanced screen advanced screen advanced screen 42
- 42 42 42 42 42
- Advanced 42
- Advanced settings 42
- Asrock instant flash 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 window 42
- Bios setup utility 42
- In this section you may set the configurations for the following items cpu configuration chipset configuration acpi configuration storage configuration pcipnp configuration floppy configuration superio configuration and usb configuration 42
- 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 preparing 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 if you execute asrock instant flash utility the utility will show the bios files and their respective information select the proper bios file to update your bios and reboot your system after bios update process completes 42
- Main oc tweaker h w monitor boot security exit 42
- Setting wrong values in this section may cause the system to malfunction 42
- V02 4 c copyright 1985 2005 american megatrends inc 42
- 3 3 3 3 cpu configuration cpu configuration cpu configuration cpu configuration cpu configuration 43
- 43 43 43 43 43
- Advanced 43
- And want to enable this function please set this item to enabled please note that enabling this function may reduce cpu voltage and memory frequency and lead to system stability or compatibility issue with some memory modules or power supplies please set this item to disable if above issue occurs memory hole use this to enable or disable memory hole the default value is disabled 43
- Bios setup utility 43
- Boot failure guard enable or disable the feature of boot failure guard cool n quiet use this item to enable or disable amd s cool n quie 43
- Cpu configuration 43
- Technology the default value is auto configuration options auto enabled and disabled if you install window 43
- V02 4 c copyright 1985 2003 american megatrends inc 43
- 3 3 3 3 chipset configuration chipset configuration chipset configuration chipset configuration chipset configuration 44
- 44 44 44 44 44
- Advanced 44
- Bios setup utility 44
- Chipset settings 44
- Logo test please disable this option onboard lan this allows you to enable or disable the onboard lan feature primary graphics adapter this item will switch the pci bus scanning order while searching for video card it allows you to select the type of primary vga in case of multiple video controllers the default value of this feature is pci configuration options pci onboard and pci express internal graphics mode this allows you to adjust internal graphics mode the default value is uma configuration options uma and disabled share memory this allows you to set share memory feature the default value is auto configuration options auto 32mb 64mb and 128mb 44
- Onboard hd audio select auto enabled or disabled for the onboard hd audio feature if you select auto the onboard hd audio will be disabled when pci sound card is plugged front panel select auto enabled or disabled for the onboard hd audio front panel cd in use this item to enable or disable cd in of onboard hd audio if you plan to use this motherboard to submit window 44
- V02 4 c copyright 1985 2003 american megatrends inc 44
- 3 3 3 3 acpi configuration acpi configuration acpi configuration acpi configuration acpi configuration 45
- 45 45 45 45 45
- Away mode support use this item to enable or disable away mode support under window 45
- Feature 45
- Onboard hdmi hd audio this allows you to enable or disable the onboard hdmi hd audio in amd 785g surround view this allows you to enable or disable the surround view feature or hybrid crossfire 45
- Suspend to ram use this item to select whether to auto detect or disable the suspend to ram feature select auto will enable this feature if the os supports it if you set this item to disabled the function repost video on str resume will be hidden repost video on str resume this feature allows you to repost video on str resume str refers to suspend to ram check ready bit use this item to enable or disable the feature check ready bit 45
- Xp media center os the default value is disabled restore on ac power loss this allows you to set the power state after an unexpected ac power loss if power off is selected the ac power remains off when the power recovers if power on is selected the ac power resumes and the system starts to boot up when the power recovers ring in power on use this item to enable or disable ring in signals to turn on the system from the power soft off mode 45
- 46 46 46 46 46
- 3 3 3 3 storage configuration storage configuration storage configuration storage configuration storage configuration 47
- 47 47 47 47 47
- Advanced 47
- Bios setup utility 47
- Ide master 47
- Onboard sata controller use this item to enable or disable the onboard sata controller feature sata operation mode use this item to adjust sata operation mode the default value of this option is ide if you want to operate raid function on sata sataii hdds please select raid configuration options ahci raid and ide ide device configuration you may set the ide configuration for the device that you specify we will use the ide1 master as the example in the following instruction which can be applied to the configurations of ide1 slave as well 47
- V02 4 c copyright 1985 2003 american megatrends inc 47
- 48 48 48 48 48
- 3 3 3 3 pcipnp configuration pcipnp configuration pcipnp configuration pcipnp configuration pcipnp configuration 49
- 49 49 49 49 49
- Advanced 49
- Advanced pci pnp settings 49
- Bios setup utility 49
- Pci latency timer the default value is 32 it is recommended to keep the default value unless the installed pci expansion cards specifications require other settings pci ide busmaster use this item to enable or disable the pci ide busmaster feature 49
- Setting wrong values in this section may cause the system to malfunction 49
- V02 4 c copyright 1985 2003 american megatrends inc 49
- 3 3 3 3 floppy configuration floppy configuration floppy configuration floppy configuration floppy configuration 50
- 3 3 3 3 super io configuration super io configuration super io configuration super io configuration super io configuration 50
- 50 50 50 50 50
- Advanced 50
- Bios setup utility 50
- Configure super io chipset 50
- In this section you may configure the type of your floppy drive 50
- Onboard floppy controller use this item to enable or disable floppy drive controller serial port address use this item to set the address for the onboard serial port or disable it configuration options disabled 3f8 irq4 2f8 irq3 3e8 irq4 2e8 irq3 infrared port address use this item to set the address for the onboard infrared port or disable it configuration options disabled 2f8 irq3 and 2e8 irq3 50
- V02 4 c copyright 1985 2003 american megatrends inc 50
- 51 51 51 51 51
- 3 3 3 3 usb configuration usb configuration usb configuration usb configuration usb configuration 52
- 52 52 52 52 52
- Advanced 52
- Bios setup utility 52
- Usb configuration 52
- Usb controller use this item to enable or disable the use of usb controller usb 2 support use this item to enable or disable the usb 2 support legacy usb support use this option to select legacy support for usb devices there are four configuration options enabled auto disabled and bios setup only the default value is enabled please refer to below descriptions for the details of these four options enabled enables support for legacy usb auto enables legacy support if usb devices are connected disabled usb devices are not allowed to use under legacy os and bios setup when disabled is selected if you have usb compatibility issue it is recommended to select disabled to enter os bios setup only usb devices are allowed to use only under bios setup and windows linux os 52
- V02 4 c copyright 1985 2003 american megatrends inc 52
- 3 3 3 3 hardware health event monitoring screen hardware health event monitoring screen hardware health event monitoring screen hardware health event monitoring screen hardware health event monitoring screen 53
- 53 53 53 53 53
- Bios setup utility 53
- Cpu quiet fan this item allows you to identify the temperature of cpu fan if you set this option as disabled the cpu fan will operate in full speed if you set this option as enabled you will find the items target cpu temperature and target fan speed appear to allow you adjusting them the default value is disabled you are allowed to enable this function only when you install 4 pin cpu fan target cpu temperature 53
- Hardware health event monitoring 53
- In this section it allows you to monitor the status of the hardware on your system including the parameters of the cpu temperature motherboard temperature cpu fan speed chassis fan speed and the critical voltage 53
- Main oc tweaker advanced boot security exit h w monitor 53
- The default value is 50 c 122 f target fan speed use this option to set the target fan speed you can freely adjust the target fan speed according to the target cpu temperature that you choose configuration options level 1 level 2 level 3 level 4 level 5 level 6 level 7 level 8 and level 9 53
- The target temperature will be between 45 c 113 f and 65 c 149 f 53
- V02 4 c copyright 1985 2003 american megatrends inc 53
- 3 3 3 3 boot screen boot screen boot screen boot screen boot screen 54
- 3 3 3 3 boot settings configuration boot settings configuration boot settings configuration boot settings configuration boot settings configuration 54
- 54 54 54 54 54
- Bios setup utility 54
- Boot settings 54
- Boot settings configuration 54
- Full screen logo use this item to enable or disable oem logo the default value is enabled addon rom display use this option to adjust addon rom display if you enable the option full screen logo but you want to see the addon rom information when the system boots please select enabled configuration options enabled and disabled the default value is enabled 54
- In this section it will display the available devices on your system for you to config ure the boot settings and the boot priority 54
- Main oc tweaker advanced h w monitor security exit 54
- V02 4 c copyright 1985 2003 american megatrends inc 54
- V02 4 c copyright 1985 2005 american megatrends inc 54
- 3 3 3 3 security screen security screen security screen security screen security screen 55
- 55 55 55 55 55
- Bios setup utility 55
- Boot logo use this option to select logo in post screen this option only appears when you enable the option full screen logo configuration options auto eup scenery and asrock the default value is auto boot from onboard lan use this item to enable or disable the boot from onboard lan feature boot up num lock if this item is set to on it will automatically activate the numeric lock function after boot up 55
- In this section you may set or change the supervisor user password for the system for the user password you may also clear it 55
- Main oc tweaker advanced h w monitor boot exit 55
- Security 55
- Security settings 55
- V02 4 c copyright 1985 2005 american megatrends inc 55
- 3 3 3 3 exit screen exit screen exit screen exit screen exit screen 56
- 56 56 56 56 56
- 4 4 4 4 software support software support software support software support software support 57
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