Re: Is -5VDC needed to power a XT system?
Posted on 2024-01-24, 02:45
Looking through a stack of old PSUs , I see that -5 is very low current. -12 is slightly more but still very low. I'd guess that the '-' supplies are used for bias of some sort or other very low current applications - I don't think I've ever seen logic/drives or other hardware actually powered from …