ABit AB-AH4
Chipset
Socket 
FSB speeds 20MHz25MHz33MHz50MHz
Form factorBaby AT (max 220 x 330 mm)
Dimensions330mm x 218mm
Cache
Max RAM size
RAM type 
PSU connector
I/O ports1x
AT Keyboard
Expansion slots7x
16-bit ISA
3x
32-bit VLB
1x
8-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
Notes:
Does not support 486DX4 CPUs! Only the AH4T supports 486DX4.
Last updated 2024-06-15T23:52:06Z
Board info score is 8.9/10
Chipset parts
CPU family support
3 files available
Vendor: AMI [2 entries]
POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
40-E8FI-001247-00101111-121593-SIS471-F
Note
Core version
121593
BIOS version
Logs
POST string
40-PDHF-001247-00101111-072594-SIS471G
Note
Core version
072594
BIOS version
Logs
Vendor: Award [2 entries]
No drivers available
2 board documents available
Release date
File
Logs
Chip
Release date
File
Logs
Family
Release date
File
Logs
Image 1 of 2 (Microhouse)
Image 2 of 2
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