8-Pin power (for CPUs and memory) Pin Color Signal
58
4
1
1 BLK GND
2 BLK GND
3 BLK GND
4 BLK GND
5 WHT +12VCPU0
WHT +12VCPU0 RSENSE
6 WHT +12VCPU0
7 WHT
with
stripe
+12VCPU1
8WHT
with
stripe
+12VCPU1
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 installation on page 79“PCI or PCI Express Installation.”
NOTE: The 6-pin power (auxiliary PCI Express) is only required with high-powered graphics cards.
6-Pin power (auxiliary PCI Express) Pin Color Signal
46
3
1
1 YEL +12V-C
2 YEL +12V-C
3 YEL +12V-C
4 BLK GND
5 BLK GND
6BLK GND
Keyboard connector Pin Signal
1 2 3 Data
Unused
Ground
4 5 6 +5 VDC
Clock
Unused
ENWW Connector pin descriptions 145
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