HP Xw4600 HP xw4600 Workstation - Service and Technical Reference Guide - Page 175

pin power auxiliary PCI Express, cable connector, Color, Signal, Workstation AUX_IN connector

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6-pin power (auxiliary PCI Express) cable connector Pin Color Signal 46 1 YEL +12 V-D 2 YEL +12 V-D 3 YEL +12 V-D 13 4 BLK 5 BLK 6 BLK GND GND GND CAUTION: Ensure that 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 4-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 can be damaged and your warranty voided. To see a picture of the PCI Express cable and where it must be connected, see PCI Express cards on page 78. NOTE: The 6-pin power (auxiliary PCI Express) is only required with highpowered graphics cards. Workstation AUX_IN connector Pin Signal 1 AUX_LEFT 2 AGND 3 AGND 4 AUX_RIGHT Internal USB system board 2x5 connector Pin Signal 1 +5V 2 +5V 3 USB6# 4 USB7# ENWW Connector pin descriptions 165

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6-pin power (auxiliary PCI Express)
cable connector
Pin
Color
Signal
4
6
3
1
1
YEL
+12 V-D
2
YEL
+12 V-D
3
YEL
+12 V-D
4
BLK
GND
5
BLK
GND
6
BLK
GND
CAUTION:
Ensure that 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 4-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 can be damaged and your warranty voided. To see a picture
of the PCI Express cable and where it must be connected, see
PCI Express
cards
on page
78
.
NOTE:
The 6-pin power (auxiliary PCI Express) is only required with high-
powered graphics cards.
Workstation AUX_IN connector
Pin
Signal
1
AUX_LEFT
2
AGND
3
AGND
4
AUX_RIGHT
Internal USB system board 2x5
connector
Pin
Signal
1
+5V
2
+5V
3
USB6#
4
USB7#
ENWW
Connector pin descriptions
165