HP ET115AV HP xw4400 Workstation - Service and Technical Reference Guide - Page 158

Appendix C - Connector pins, Appendix C

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8-Pin power (for CPUs and memory) 5 8 1 4 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 with stripe +12VCPU1 8 WHT 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 Express on page 75. NOTE: The 6-pin power (auxiliary PCI Express) is only required with high-powered graphics cards. 6-Pin power (auxiliary PCI Express) 46 13 Pin Color 1 YEL 2 YEL 3 YEL 4 BLK 5 BLK 6 BLK Signal +12V-C +12V-C +12V-C GND GND GND 148 Appendix C Appendix C - Connector pins ENWW

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8-Pin power (for CPUs and memory)
Pin
Color
Signal
5
8
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
8
WHT
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 Express
on page
75
.
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
4
6
3
1
1
YEL
+12V-C
2
YEL
+12V-C
3
YEL
+12V-C
4
BLK
GND
5
BLK
GND
6
BLK
GND
148
Appendix C
Appendix C — Connector pins
ENWW