Intel 300SX-20 System Board
Logs
chipChipset
cpuSockets
PLCC68 PQFP100
speedFSB speed
20MHz
moboForm factor
OEM / Proprietary
dimDimensions
Empty
chipCache
None/Integrated in the CPU
ramMax RAM size
Empty
ramRAM type
30-pin SIMM
pwrPSU connector
AT (6-pin P8 + 6-pin P9)
connI/O ports
1x 
AT Keyboard
1x 
PS/2 mouse
1x 
Parallel
2x 
Serial
1x 
VGA
cardExpansion slots
4x 
16-bit ISA
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

Poach chipset was later licensed by Intel.

Last updated 2025-04-19T12:45:38Z
Board info score is 7.4/10
bios 0 BIOS files available
drv 4 drivers available
Name
Version
OS support
Size
Filename
Name
Version
1.43
OS support
MS-DOS Windows 3.1x
Size
741.9KB
Filename
Name
Version
1.50
OS support
Windows 3.1x
Size
1.4MB
Filename
Name
Version
1.30
OS support
Windows 3.1x
Size
600.3KB
Filename
Name
Version
3.50
OS support
Windows NT 3.1 Windows NT 3.5x
Size
140KB
Filename
doc 2 board documents available
Release date
File
Logs
Release date
File
Logs
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
1989-11
File
Logs
image1 Image 1 of 2 (evasive)
image2 Image 2 of 2 (KIDH)

Disclaimer

The info found in this page might not be entirely correct. Check out this guide to learn how you can improve it.