From 1362882116bb475a44fc0df0b060b74d546b1bc7 Mon Sep 17 00:00:00 2001
From: Francis Rowe
On 20-pin ATX PSUs, you can use pin 1 or 2 (orange) for 3.3V, and any of the ground/earth sources (black cables). - Short PS_ON / Power on (green) to a ground (black. there is one right next to it) using a wire/paperclip/jumper then + Short PS_ON# / Power on (green) to a ground (black. there is one right next to it) using a wire/paperclip/jumper then power on the PSU.
On newer 24-pin ATX PSUs, there is an additional 3.3V (orange) on pin 12.
- You only need one 3.3V supply and one ground for the flash chip, after grounding PS_ON to ground. + You only need one 3.3V supply and one ground for the flash chip, after grounding PS_ON# to ground. Multiple 3.3V supplies means that you could theoretically power multiple flash chips at once with the same PSU.
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