Hello,

I bought some months ago, a motherboard that has borrowed components, some was found and populated but others don't. I googled and search for images at forums, ebay and many other sites but it is a little bit uncommon mltherboard. I found in TRW site is an Compbal ISA486 33MB. The only picture there is really poor, i need to identify many resisitors, two transistors and main Oscillator.

Link to mobo at TRW: https://theretroweb.com/motherboards/s/compbal-isa486-33mb

Since I bought, I clean in dishwasher, removed tin from vias, downloaded a compatible BIOS to chipset (ETEQ ET82C491/492 C&T 82C206), installed keyboard controllee chip (C&T 8042), 3x 74ls373 and 1x 74ls244.

It has pending 34 resistors (😬), 1x Cache TAG, 1x 74ls521, CPU oscillator (33MHz) and 2 transistors (Q1 and Q2). Everything is possible but i havent info about resistors and Q's.

I need some help from anyone who has a motherboard like mine to complete components missing.

Thanks in advance