Chaintech 416SX/420SX/425SX/433SC/450SC
chipChipset
cpuCPU socket
Empty
speedFSB speeds
16MHz20MHz25MHz33MHz50MHz
moboForm factor
Baby AT (max 220 x 330 mm)
dimDimensions
330mm x 218mm
chipCache
32KB64KB128KB256KB
ramMax RAM size
64MB
ramRAM types
30-pin SIMM72-pin FPM
pwrPSU connector
Empty
connI/O ports
1x 
AT Keyboard
cardExpansion slots
7x 
16-bit ISA
1x 
8-bit ISA

Also known as:

  • Unknown SI-433C1/SI-450C1

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 2022-06-29T11:47:32Z
Board info score is 8.1/10
2 files available

Vendor: AMI [2 entries]

POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
30-0200-DF1128-00101111-070791-SISAUTO
Note
425
Core version
070791
BIOS version
Logs
POST string
30-0200-DF1128-00101111-070791-SISAUTO-0
Note
433
Core version
070791
BIOS version
Logs
drv No drivers available
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

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