Chaintech 486SPM M104
chipChipset
cpuSocket
Socket 3 (PGA237)
speedFSB speeds
20MHz25MHz33MHz40MHz50MHz
moboForm factor
Baby AT (max 220 x 330 mm)
dimDimensions
220mm x 250mm
chipCache
128KB256KB512KB1MB
ramMax RAM size
128MB
ramRAM type
72-pin FPM
pwrPSU connector
AT (P8-P9)
connI/O ports
1x 
AT Keyboard
1x 
Floppy interface
2x 
IDE interface
1x 
Parallel
2x 
Serial
cardExpansion slots
4x 
16-bit ISA
3x 
32-bit PCI

Also known as:

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 2024-06-08T19:38:26Z
Board info score is 9.3/10
chipChipset parts
SiS 85C496 (PCM) SiS 85C497 (ATM)
cpuCPU family support
2 files available

Vendor: Award [2 entries]

POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
09/07/95-SiS-496-497/A/B-2A4IBC32C-00
Note
Core version
4.50G
BIOS version
Logs
POST string
03/20/95-SiS-496-497/A/B-2A4IBC32-B3
Note
Core version
4.50G
BIOS version
Logs
drv 1 known good driver available
Name
Version
OS support
Size
Filename
Name
Version
BC318
OS support
MS-DOS OS/2 Warp 3.x Windows 3.1x Windows NT 3.1 Windows NT 3.5x Windows NT 4.0
Size
Empty
Filename
Name
Version
OS support
Size
Filename
Name
Version
BC318
OS support
MS-DOS OS/2 Warp 3.x Windows 3.1x Windows NT 3.1 Windows NT 3.5x Windows NT 4.0
Size
Empty
Filename
Name
Version
BC310
OS support
MS-DOS NetWare Server 3 OS/2 1.x Windows 3.0 Windows NT 3.1
Size
97.9KB
Filename
doc 2 board documents available
Release date
File
Logs
Release date
File
Logs
Release date
File
Logs
Family
Release date
File
Logs
Family
Release date
1989-04
File
Logs
Family
Release date
1990
File
Logs
Family
Release date
1992-10
File
Logs
Family
Release date
1992-02
File
Logs

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