Gemlight GMB-486UN
chipChipset
cpuCPU socket
PGA168
speedFSB speeds
25MHz33MHz50MHz
moboForm factor
Baby AT (max 220 x 330 mm)
dimDimensions
254mm x 218mm
chipCache
32KB64KB128KB256KB
ramMax RAM size
32MB
ramRAM type
30-pin SIMM
pwrPSU connector
AT (P8-P9)
connI/O ports
1x 
AT Keyboard
cardExpansion slots
6x 
16-bit ISA
2x 
8-bit ISA

Also known as:

  • DTK <unknown>
  • CALIBER COMPUTER 486 WB-U1
  • Aten International Co.Ltd. U4800SA

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 2022-09-22T06:48:57Z
Score is 9.3/10
1 file available

Vendor: AMI [1 entry]

POST string
Note
Core Ver.
BIOS Ver.
Last edit
POST string
40-0600-428036-00101111-060692-UNI4800
Note
Core version
060692
BIOS version
Last edit
pwr 2021-11-04
drv No drivers available
doc 1 board document available
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File
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English
Release date
File
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pwr 1970-01-01
chipdoc 6 chip documents available
Chip
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Chip
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English
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pwr 2023-05-05
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English
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pwr 2023-08-06
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English
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pwr 2022-02-18
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English
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pwr 2022-12-28
Chip
Language
English
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File
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pwr 2024-01-25
Chip
Language
English
Release date
File
Last edit
pwr 2024-01-25

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