JPN CORPORATION MB-486 DX-33 UM
Chipset
Sockets 
FSB speed 33MHz
Form factorBaby AT (max 220 x 330 mm)
Dimensions330mm x 218mm
Cache
64KB128KB256KB
Max RAM size
40MB
RAM type 30-pin SIMM
PSU connector
Multi CPU supportno
Also known as
- RELIALOGIC CORPORATION PRIVATE, LTD. R486 SX25MBC, R486 DX33MBC, R486 DX50MBC, R486 DX2-50MBC, R486 DX2-66MBC
- ABC COMPUTER COMPANY A4879
- TK TK-82C480A-4S-D01A A1
I/O ports1x
AT Keyboard
Expansion slots6x
16-bit ISA
2x
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
Last updated 2024-10-28T16:17:35Z
Board info score is 7.7/10
Chips
0 BIOS files available
AMI - 1 entry
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No drivers available
1 board document available
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Chip
Release date
1990
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Chip
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1996-08-09
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Chip
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1996-05-15
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Family
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Image 1 of 2 (Microhouse)
Image 2 of 2
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