Biostar MB-1212C (SIMM VERSION)
chipChipset
cpuCPU sockets
DIP40PLCC68
cpuCPU family
286287
speedFSB speed
12.5MHz
chipCache
None/Integrated in the CPU
ramRAM type
30-pin SIMM
ramMax RAM size
4MB
pwrPSU connector
AT-Style (P8-P9)
moboForm factor
Baby-AT (max 220 x 330 mm)
dimDimensions
220mm x 220mm
connI/O ports
1x 
AT Keyboard
cardExpansion slots
2x 
8-bit ISA
5x 
16-bit ISA

Known issues:

  • Leaky Ni-Cd clock battery

The Ni-Cd battery may be leaking, risking damage to PCB layers & nearby components. Promptly remove the battery & clean corrosion/alkaline salts from the board. Use white vinegar to dissolve salts, but exercise caution as vinegar can corrode exposed metals. A thorough examination & repair may be needed. Replace battery with guide: https://github.com/wiretap-retro/Not-A-Varta

Last updated 2023-06-20T15:48:39Z
 TRW ID: 1055
chipsetChipset
chipsetChipset parts
Chips & Technologies 82C235
drv Drivers: 1 entry
Language
Media type
OS Compatibility
Name
Version
English
1x Archive
BIOS images: 3 files
Manuf.
POST String
Note
Core Ver.
BIOS Ver.
AMI
ESC2-1223-083090-K0
083090
AMI
ESC2-1223-083090-K0
083090
Chips & Technologies
CHIPS SCAT BIOS Version 129D3
01/18/91
doc Documentation: 1 entry
doc Other files: not available
Model
Speed
FSB
Voltages
L1 Cache
L2 Cache
L3 Cache
Core
Process
TDP
12.5MHz
12.5MHz
5V
-
-
-
-
1500nm
-
No NPUs listed.

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