MiTAC/Trigon PWA-PMI1
Chipset
Socket 
FSB speed 4.77MHz
Form factorOEM / Proprietary
DimensionsEmpty
Max VRAM size64KB
Cache
None/Integrated in the CPU
Max RAM size
640KB
RAM type Empty
PSU connector
Also known as
- MiTAC/Trigon 4116691100001
- MiTAC/Trigon 3116691100001
I/O ports1x
CGA
1x
Floppy interface
1x
Gameport
1x
Parallel
1x
Serial
1x
XT Keyboard
1x
XTA interface
Expansion slots1x
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
- Expansion slots are on proprietary riser
The listed slots are on the riser card that came with the motherboard.
If you have this board make sure you have the riser for it.
Last updated 2026-01-17T17:29:44Z
Board info score is 6.1/10
Chips
-> Floppy ctrl.
-> Real-Time Clock
-> Signal transmitter/receiver
-> Super I/O
-> Video
0 BIOS files available
No drivers available
No board documents available
Chip
Release date
File
Logs
Chip
Release date
1989-08-29
File
Logs
Chip
Release date
File
Logs
Image 1 of 2
Image 2 of 2
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