Biostar G31M+
Logs
chipChipset
cpuSocket
speedFSB speeds
800MHz1066MHz1333MHz
moboForm factor
MicroATX (max 244 x 244 mm)
dimDimensions
235 mm x 179mm
ramMax VRAM size
256MB
chipCache
None/Integrated in the CPU
ramMax RAM size
4GB
ramRAM type
DDR2 UDIMM
pwrPSU connector
connI/O ports
1x 
3.5mm Audio Combo
1x 
Floppy interface
1x 
IDE interface
1x 
PS/2 keyboard
1x 
PS/2 mouse
1x 
Parallel
1x 
RJ-45 LAN
2x 
SATA II
1x 
Serial
6x 
USB 2.0
1x 
VGA
cardExpansion slots
2x 
32-bit PCI
1x 
PCIe x16
wrench Known issues
  • Underpowered VRM

The onboard VRM may not provide sufficient power for certain processors or configurations.

notes Notes

This motherboard only supports processors with up to 95W TDP (Thermal Design Power). Processors with higher TDP will NOT operate on this motherboard. Processors with a 533MHz front bus may also not operate.

Supported processors

Core 2 Extreme:
X6800, X6900

Core 2 Quad:
Q6600 [G0 stepping "SLACR" only], Q6700, Q8200, Q8200S, Q8300, Q8400, Q8400S, Q9300, Q9400, Q9400S, Q9450, Q9500, Q9505, Q9505S, Q9550, Q9550S, Q9650.

Core 2 Duo:
All models

Pentium Dual-Core ("Allendale", "Conroe" and "Wolfdale-3M"):
All models

Celeron Dual-Core ("Allendale" and "Wolfdale-3M"):
All models

Celeron ("Conroe-L" and "Conroe-CL"):
All models

Pentium D:
820, 915, 920, 925, 930, 935, 940 [C1 stepping "SL95W" only], 945, 950 [C1 and D0 steppings "SL95V" and "SL9K8" only], 960 [D0 stepping "SL9K7" only].

Pentium 4:
520, 520J, 521, 530, 530J, 531, 540, 540J, 541, 620, 630, 631, 640, 641, 650, 651, 661.

Other models and Celeron D processors are NOT supported.

Last updated 2023-12-27T12:26:25Z
Board info score is 9.6/10
bios 1 BIOS file available

vendor AMI - 1 entry

POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
63-0100-009999-00101111-073010-Bearlake-G31KN730
Note
Core version
080014
BIOS version
Logs
drv 3 drivers available
Name
Version
OS support
Size
Filename
Name
Version
14.32.4
OS support
Windows 2000 Windows XP
Size
47.9MB
Filename
Name
Version
9.2.0.1030
OS support
Windows 2000 Windows XP
Size
Empty
Filename
Name
Version
1.0
OS support
MS-DOS Windows 2000 Windows 9x Windows NT 4.0 Windows XP
Size
490.9KB
Filename
doc 2 board documents available
Release date
File
Logs
Release date
File
Logs
Release date
File
Logs

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