JOINDATA SYSTEMS, INC. G486U/G486USX
Logs
chipChipset
cpuSockets
WTL4167 (PGA144) Socket 1 (PGA169)
speedFSB speeds
20MHz25MHz33MHz50MHz
moboForm factor
Baby AT (max 220 x 330 mm)
dimDimensions
215mm x 330mm
chipCache
64KB128KB256KB
ramMax RAM size
64MB
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
5x 
16-bit ISA
3x 
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

Last updated 2024-03-08T16:19:12Z
Board info score is 8.9/10
bios 1 BIOS file available

vendor Mr. BIOS - 1 entry

POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
Note
Core version
BIOS version
Logs

vendor AMI - 1 entry

POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
40-0100-ZZ1124-00101111-070791-UMC480A
Note
Core version
07/07/91
BIOS version
Logs
drv No drivers available
doc 1 board document available
Release date
File
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File
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Chip
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File
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Chip
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File
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Chip
Release date
1990
File
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Chip
Release date
1996-08-09
File
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Chip
Release date
1996-05-15
File
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Chip
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File
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Chip
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File
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Chip
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File
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Chip
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File
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Chip
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File
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Family
Release date
File
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Family
Release date
1989-04
File
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Family
Release date
1990
File
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Family
Release date
1992-10
File
Logs
Family
Release date
1992-02
File
Logs
image1 Image 1 of 2 (Microhouse)
image2 Image 2 of 2 (Altomare)

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