NCL America Computer C2121
Logs
chipChipset
cpuSockets
DIP40 PLCC68
speedFSB speed
12MHz
moboForm factor
OEM / Proprietary
dimDimensions
Empty
ramMax VRAM size
256KB
chipCache
None/Integrated in the CPU
ramMax RAM size
4MB
ramRAM type
30-pin SIMM
pwrPSU connector
AT (6-pin P8 + 6-pin P9)
tag Also known as
connI/O ports
1x 
AT Keyboard
1x 
CGA
1x 
Floppy interface
1x 
IDE interface
1x 
Parallel
2x 
Serial
cardExpansion slots
Empty
wrench 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

notes Notes

Riser card with 3 16bit ISA

Last updated 2025-06-03T18:35:27Z
Board info score is 7.3/10
bios 0 BIOS files available
drv No drivers available
doc 1 board document available
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Chip
Release date
1989-06-27
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1995-11-30
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2009-12
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2009-12
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1988
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1995-11-22
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1994-07
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1996-01
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image1 Image 1 of 4 (Elke Wehmer)
image2 Image 2 of 4 (Elke Wehmer)
image3 Image 3 of 4 (Elke Wehmer)
image4 Image 4 of 4 (Elke Wehmer)

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