A3000 without -5V ?

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My PSU in my A3000D is dying and needs a replacement. Unfortunately many new ATX PSUs do not have the -5V line. According to the A3000D schematics it is connected to the external video port and the Zorro/ISA slots.

I have one slim ATX power that would nicely fit in the case but the problem is I do not know if it will work. Does the A3000 need the -5V for something else as well? And will Deneb work without it?

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It is very good for general information but unfortunately does not answer my questions.

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It became optional since ATX revision ATX12V 1.2 therefore not all ATX PSUs have it. (And after v2.1 the -5V was removed completely)

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Not all, first I would have to find one that will fit nicely in the case  :-)

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Sure, but most of the AT/ATX PSUs are too big for their insides to fit inside the A3000 PSU which is quite small.

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Thanks! I had missed that thread. Gonna try without the -5V then..

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It seems to be running nice and stable. Now I just need to attach the PSU properly, attach the AC plug in the back of the case, add a 80mm case fan and connect the power button nicely  :crazy:

A photo of what it looks like at the moment. Mmmm, Dell. I lost a drive bay but that isn't a big issue.