J-Bond 486 CACHE
Logs
chipChipset
cpuSocket
Socket 1 (PGA169)
speedFSB speeds
20MHz25MHz33MHz50MHz
moboForm factor
Baby AT (max 220 x 330 mm)
dimDimensions
221mm x 254mm
chipCache
64KB256KB
ramMax RAM size
32MB
ramRAM type
30-pin SIMM
pwrPSU connector
AT (6-pin P8 + 6-pin P9)
maxcpuMulti CPU support
no
connI/O ports
1x 
AT Keyboard
cardExpansion slots
6x 
16-bit ISA
1x 
8-bit ISA
wrench 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 Notes

Stripped-down PCChips version is here

Last updated 2025-01-03T20:08:24Z
Board info score is 7.9/10
chip Chips
cpufam CPU family support
bios 0 BIOS files available

vendor AMI - 1 entry

POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
Note
Core version
BIOS version
Logs
drv No drivers available
doc 2 board documents available
Release date
File
Logs
Release date
File
Logs
Release date
File
Logs
Family
Release date
File
Logs
Family
Release date
1989-04
File
Logs
Family
Release date
1990
File
Logs
Family
Release date
1992-10
File
Logs
Family
Release date
1992-02
File
Logs
image1 Image 1 of 3 (Microhouse)
image2 Image 2 of 3 (Jeremy Mrotek)
image3 Image 3 of 3 (Jeremy Mrotek)

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