Chicony CH-471A 1.0B
Chipset
Socket 
FSB speeds 16MHz20MHz25MHz33MHz40MHz50MHz
Form factorBaby AT (max 220 x 330 mm)
Dimensions254mm x 218mm
Cache
32KB64KB128KB256KB512KB1MB
Max RAM size
128MB
RAM type 72-pin FPM
PSU connector
Multi CPU supportno
Also known as
- Chicony 001-00486-025
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
Some boards are missing the voltage regulator for 3.3V CPUs
Last updated 2024-09-30T10:17:43Z
Board info score is 9.1/10
Chips
-
Chipset part
CPU family support
1 BIOS file available
Award - 3 entries
POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
01/18/95-SIS-85C471B/E/G-2C4I9C21-00
Note
Core version
BIOS version
Logs
POST string
01/11/95-SIS-85C471B-E-G-2C4I9C21-00
Note
Core version
BIOS version
Logs
No drivers available
2 board documents available
Chip
Release date
File
Logs
Family
Release date
File
Logs
Image 1 of 4 (Microhouse)
Image 2 of 4 (Elke Wehmer)
Image 3 of 4 (deksor)
Image 4 of 4 (deksor)
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