Chaintech 486SPM M103
Chipset
Socket 
FSB speeds 20MHz25MHz33MHz40MHz50MHz
Form factorBaby AT (max 220 x 330 mm)
Dimensions220mm x 250mm
Cache
128KB256KB512KB1MB
Max RAM size
128MB
RAM type 72-pin FPM
PSU connector
I/O ports1x
AT Keyboard
1x
Floppy interface
2x
IDE interface
1x
Parallel
2x
Serial
Expansion slots4x
16-bit ISA
3x
32-bit PCI
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 2025-04-07T17:13:11Z
Board info score is 7.8/10
Chips
-> Chipset part
-> Clock Synth / PLL
-> Signal transmitter/receiver
-> Super I/O
CPU family support
1 BIOS file available
Award - 1 entry
POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
12/21/95-SiS-496-497/A/B-2A4IBC32C-00
Note
Core version
4.50PG
BIOS version
Logs
2 drivers available
Version
OS support
Arch
Size
Filename
Version
OS support
MS-DOS
OS/2 Warp 3.x
Windows 3.1x
Windows NT 3.1
Windows NT 3.5x
Windows NT 4.0
Arch
x86
Size
Empty
Filename
Version
OS support
MS-DOS
NetWare Server 3
OS/2 1.x
Windows 3.0
Windows NT 3.1
Arch
x86
Size
97.9KB
Filename
No board documents available
Chip
Release date
File
Logs
Family
Release date
File
Logs
Image 1 of 2 (p0wergood)
Image 2 of 2 (p0wergood)
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