On Jun 26, 2012, at 11:36 PM, Alex Sciortino wrote:
Any way to test the mobo and PSU?
You can use a multimeter to check the PS voltages, here's a pinout: Power Supply P1 Connector Pin# Signal Color ------ Pin# Signal Color 1 +5Vstb Purple --------- 13 GND Black 2 GND Black ------------- 14 Power ON Green 3 FANtach White/Yellow -- 15 GND Black 4 GND Black ------------- 16 Reserved 5 Reserved -------------- 17 GND Black 6 GND Black ------------- 18 RTNaud(GND) Black 7 +12Vaud (12V2) Yellow - 19 GND Black 8 GND Black ------------- 20 +5V sense Red 9 +3.3V sense Orange ---- 21 GND Black 10 GND Black ------------ 22 -12V Blue 11 GND Black ------------ 23 GND Black 12 Reserved ------------- 24 Reserved Power Supply P2 Connector Pin# Signal Color ------- Pin# Signal Color 1 +3.3V Orange ----------- 9 +5V Red 2 +3.3V Orange ---------- 10 +5V Red 3 +3.3V Orange ---------- 11 +5V Red 4 +3.3V Orange ---------- 12 +12V3 Yellow 5 Reserve --------------- 13 +12V3 Yellow 6 +12Vfan Yellow -------- 14 +12V1 Yellow 7 +12Vfan(12V2) Yellow -- 15 +12V1 Yellow 8 +25V White ------------ 16 RTNfan(GND) Black Power Supply P3 Connector Pin# Signal Color ------- Pin# Signal Color 1 +5V Red ---------------- 5 +5V Red 2 GND Black -------------- 6 GND Black 3 GND Black -------------- 7 GND Black 4 12V2 Yellow ------------ 8 +12V2 Yellow -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
