DFI 486SX-20/25UNB AIO
chipChipset
cpuCPU socket
Empty
speedFSB speeds
20MHz25MHz
moboForm factor
LPX (max 229 x 330 mm)
dimDimensions
330mm x 218mm
chipCache
None/Integrated in the CPU
ramMax RAM size
16MB
ramRAM type
72-pin FPM
pwrPSU connector
AT (P8-P9)
connI/O ports
1x 
AT Keyboard
1x 
Floppy interface
1x 
IDE interface
1x 
PS/2 mouse
1x 
Parallel
2x 
Serial
1x 
VGA
cardExpansion slots
1x 
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 2022-09-21T15:12:39Z
Board info score is 7.5/10
0 files available

Vendor: AMI [1 entry]

POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
Note
Core version
BIOS version
Logs
drv 2 drivers available
Name
Version
OS support
Size
Filename
Name
Version
Empty
OS support
Windows 3.1x
Size
624.8KB
Filename
Name
Version
4.0.953
OS support
Windows 9x
Size
18.4KB
Filename

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