ATA/ATAPI (IDE) standard drive cable connector
14 DD13 28 CSEL
24-Pin Main power connector
112
13 24
1 +3.3 V 8 POK 14 -12 VL 21 +5 V GND
2 +3.3 V 9 +5 Vaux 15 GND 22 +5 V and
3 GND 10 +12 V-B 16 PS_O
N_l
+5 V-Rsense
4 +5 V 11 +12 V-A 17 GND 23 +5 V
5 GND 12 +3.3 V 18 GND 24 GND
6 +5 V 13 +3.3 V 19 GND
7 GND +3.3V-Rsense 20 GND
CAUTION: Be sure you can differentiate between which power cable connects to the PCI Express
x16 graphics card and which power cable connects to the system board. These two cables have different
pin counts and different colors. The PCI Express power cable has a 6-pin black connector, and the
system board power cable has an 8-pin white connector. When power is present, you must never
connect the PCI Express power cable to the system board. If you do so, the system board may be
damaged and your warranty voided. To see a picture of the PCI Express cable and where it must be
connected, see
PCI Express on page 75.
6-Pin power (auxiliary system board) connector Pin Color Signal
46
3
1
1 BLK w/ORG +3.3V
2 BLK w/ORG +3.3V
3 YEL +12V-A
4 BLK GND
5 BLK GND
6 YEL -12V
ENWW Connector pin descriptions 147
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