That is my first motherboard with VESA interface. Had no PC`s in with VESA in early days. But that may be explained by that I somehow had a gap in my PC career, I have actually skipped 486, and VESA interface is basically 486 thing and it depends on 80486.
Some photos as reference how everything was connectedSiS 6202 1Mb video cardYamaha A301-G50 with YMF724F-V IC sound cardIBM branded RAM 2x4MB
Initial test after cleaning all pcb`sForgot to take picture of front panel, it was REALLY yellow. Now it is in improvised retrobrighting “oven” 🙂
Still yellowish after retrobrighting
Still yellowish after retrobrighting
After night of retrobriting, not the best result, You can see some sports still yellowish, but lets call it goo enough.
LED was not showing all of the segments. My guess was it was just an colder soldering joint, and I was right, after going over all contacts on led pcb with soldering Iron – it was fixed.
LED before and after fix.486-VIP-IO bios ROM, just for reference.
After reassembling. It will find its place in my retro collection.
BIOS
Bios IC used in my 486-VIO-IO motherboard was 27C010A-15
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