HP Xw8400 - Workstation - 4 GB RAM User Manual page 174

CAUTION
Express x16 graphics card and which power cable connects to the system board. These two
cables look very similar. The PCI Express power cable has a black connector, and the system
board power cable has a 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, refer to
6-Pin power (auxiliary system board) connector
4 6
1
3
8-Pin power (for CPUs and memory)
5
1
CAUTION
Express x16 graphics card and which power cable connects to the system board. These two
cables look very similar. The PCI Express power cable has a black connector, and the system
board power cable has a 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, refer to
NOTE
cards.
164 Appendix D Appendix D — Connector pins
Be sure you can differentiate between which power cable connects to the PCI
PCI or PCI Express installation on page
8
4
Be sure you can differentiate between which power cable connects to the PCI
PCI or PCI Express installation on page
The 6-pin power (auxiliary PCI Express) is only required with high-powered graphics
75.
Pin Color
1 BLD w/ORG stripe
2 BLK w/ORG stripe
3 BLD w/YEL stripe
4 BLK
5 BLK
6 BLD w/YEL stripe
Pin Color
1 BLK
2 BLK
3 BLK
4 BLK
5 Gray
BLK w/WHT stripe
6 BLK w/WHT stripe
7 BLK w/light blue
stripe
8 BLK w/light blue
stripe
75.
Signal
+3.3V
+3.3V
+12V-A
GND
GND
-12V
Signal
GND
GND
GND
GND
+12 V CPU0 Rsense
+12 V CPU0
+12VCPU0
+12VCPU1
+12VCPU1
ENWW