ABC COMPUTER COMPANY A3805-XX V2.0
Chipset
Sockets 
FSB speed 33MHz
Form factorBaby AT (max 220 x 330 mm)
DimensionsEmpty
Cache
32KB
Max RAM size
16MB
RAM type 30-pin SIPP
PSU connector
Multi CPU supportno
I/O ports1x
AT Keyboard
Expansion slots6x
16-bit ISA
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
NiCd Battery is not standard 3.6V, probably 7,2V
Last updated 2025-03-23T13:04:06Z
Board info score is 8/10
Chips
-
Chipset partCHIPS and Technologies 82C301 (Bus Controller) CHIPS and Technologies 82C302 CHIPS and Technologies 82C303 (Address Buffer (High)) CHIPS and Technologies 82C304 (Address Buffer (Low)) CHIPS and Technologies 82C305 (Data Buffer) CHIPS and Technologies 82C306 (Control Signal Buffer) (multiple brand) 82C206 (DMA, IRQ, timer and RTC ctrl.) Intel 82385 (Cache Controller for 80386DX)
1 BIOS file available
AMI - 1 entry
POST string
Note
Core Ver.
BIOS Ver.
Logs
No drivers available
No board documents available
Chip
Release date
File
Logs
Chip
Release date
File
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Chip
Release date
1990
File
Logs
Chip
Release date
1996-08-09
File
Logs
Chip
Release date
1996-05-15
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
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