Gemlight GMB-386UMC
chipChipset
cpuCPU sockets
PGA132 PQFP132 PGA68 PQFP80
speedFSB speeds
20MHz25MHz33MHz40MHz
moboForm factor
Baby AT (max 220 x 330 mm)
dimDimensions
220mm x 218mm
chipCache
32KB128KB
ramMax RAM size
64MB
ramRAM type
30-pin SIMM
pwrPSU connector
AT (P8-P9)
connI/O ports
1x 
AT Keyboard
cardExpansion slots
5x 
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

Last updated 2024-03-14T19:55:58Z
Score is 8.9/10
chipsetChipset
chipChipset parts
UMC UM82C491 UMC UM82C493
cpuCPU family support
1 file available

Vendor: AMI [2 entries]

POST string
Note
Core Ver.
BIOS Ver.
Last edit
POST string
40-0103-428036-00101111-111192-UMC491-H
Note
Core version
111192
BIOS version
1.03
Last edit
pwr 1970-01-01
POST string
40-0102-428036-00101111-111192-UMC491-H
Note
Core version
111192
BIOS version
Last edit
pwr 2020-06-24
drv No drivers available
doc 1 board document available
Language
Release date
File
Last edit
Language
English
Release date
File
Last edit
pwr 1970-01-01
chipdoc 2 chip documents available
Chip
Language
Release date
File
Last edit
Chip
Language
English
Release date
File
Last edit
pwr 2023-10-14
Chip
Language
English
Release date
File
Last edit
pwr 2023-10-14

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