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Power supply
Pin
Assignments
The final step is attaching the power supply cable to the
mainboard at connector J21. Looking from the top of the
case, on the left side of the power supply are some
cables. Find the 12-pin plastic connector (the four-pin
connectors are for the disk drives and hard disks).
Refer to the picture below. Pins 1 and 12 are numbered
in
the
picture
for your convenience. The
pinout description
is
on
the next
page.
Power good
2
+5 VDC
3
+12 VDC
-12 VDC
5
Ground
Ground
7
Ground
8
Ground
9
5VDC
10
+5 VDC
11
+5 VDC
R R R A A B A R A R
12
+5 VDC
15
14
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