ADI F4DXL-UC4.1D/DV
Logs
chipChipset
cpuSocket
Socket 3 (PGA237)
speedFSB speeds
25MHz33MHz40MHz50MHz
moboForm factor
Baby AT (max 220 x 330 mm)
dimDimensions
Empty
chipCache
64KB128KB256KB
ramMax RAM size
192MB
ramRAM types
30-pin SIMM72-pin FPM
pwrPSU connector
Empty
tag Also known as
connI/O ports
1x 
AT Keyboard
cardExpansion slots
7x 
16-bit ISA
3x 
32-bit VLB
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

Turbo speed can be set with key combination:
"Ctrl"+"Alt"+"-" Turbo OFF
"Ctrl"+"Alt"+"+" Turbo ON
Turbo LED can be called either JP24 or D1, depending on the board revision and the relabeler of that day.

Last updated 2025-08-02T17:50:21Z
Board info score is 6.8/10
chip Chips
-> Chipset part
UMC UM8496 UMC UM8498F
cpufam CPU family support
bios 0 BIOS files available
drv No drivers available
doc 3 board documents available
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Family
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File
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Family
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1996-03
File
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Family
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1995-07
File
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Family
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1995-10
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Family
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1995-12
File
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Family
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1989-04
File
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Family
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1990
File
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Family
Release date
1992-10
File
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Family
Release date
1992-02
File
Logs
image1 Image 1 of 2 (evasive)
image2 Image 2 of 2

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