Last night I was all set to have a play with my retro rig and finally put the StarTech IDE-SATA adapter to use with an SSD and install Windows98... until I started the machine up and it just kept either restarting itself or just locking up - in both cases the symptoms were the same. After anything from 30s to a few minutes the VGA would go off, along with the power light on the case (but not the HDD light) and a sound like rapid HDD reads would be emitted from the speaker. It usually wouldn't respond to the power or reset buttons being pressed either. After two hours trying to diagnose the problem I gave up and went to bed thinking I'll be looking for a new mobo over the weekend.
This morning on a hunch I dug out an old (~2010 ish) barely used PSU and swapped it over. Rock solid for the time it took to do two passes of Memtest86+ (good half hour at least).
This is the old PSU.
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And I'm guessing that brown gunk shouldn't be there and is probably the cause of the stability issues?
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On the plus side the replacement PSU has a big slow fan which will improve air extraction in the case no end. The downside is its bigger and I could barely get 3 of the screws in to hold it - the fourth is a no go as it's just ever so slightly offset from the case slot.
I've currently got a Diamond Stealth S540 (Savage 4 Pro) in the machine and I also noticed the heatsink on that gets a bit hot - not uncomfortably so but I think I need to try and get some additional cooling on that too.
Although now the missus is expecting a parcel to arrive next week with "more computer crap"... I'd hate to disappoint her! 😁
https://rogueone.uk Kyro and other things