HP Xw4400 - Workstation - 2 GB RAM Reference Manual page 158

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1
CAUTION:
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
NOTE: The 6-pin power (auxiliary PCI Express) is only required with high-powered graphics cards.
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1
3
148 Appendix C Appendix C — Connector pins
8-Pin power (for CPUs and memory)
8
4
Be sure you can differentiate between which power cable connects to the PCI Express
PCI Express on page
6-Pin power (auxiliary PCI Express)
75.
Pin Color Signal
1 BLK GND
2 BLK GND
3 BLK GND
4 BLK GND
5 WHT +12VCPU0
WHT +12VCPU0 RSENSE
6 WHT +12VCPU0
7 WHT +12VCPU1
with
stripe
8 WHT +12VCPU1
with
stripe
Pin Color
1 YEL
2 YEL
3 YEL
4 BLK
5 BLK
6 BLK
Signal
+12V-C
+12V-C
+12V-C
GND
GND
GND
ENWW