First post, by Velociraptor
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I've bought a Model 30 286 on ebay, it's come with only 512K of memory and no floppy drive.
It seems to missing the green component from RGB. I've changed monitor and VGA cable. I've checked continuity from the motherboard socket to the Inmos IMSG171P-35 RAMDAC. and checked continuity on the cable that goes from the motherboard to the back of the case.
Everything appears to be fine.
I've desoldered the RAMDAC and put a socket in, and ordered a spare on eBay and my hope is that fixes it.
However I'm now wondering if there's anything I might have missed or if anyone has any bright ideas.
My fear is that if it's not this RAMDAC then the board could be a write off.