6-pin power (auxiliary PCI Express)
cable connector
Pin Color Signal
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#
CAUTION: Possible equipment damage.
The 2x5 system board connector can be
mated to either a wide 2x5 option cable
connector or a narrow 1x5 option cable
connector.
To prevent damage to the connectors,
always connect a narrow 1x5 option cable
connector to pins 1,3,5, and 7 only of the
2x5 system board connector (pin 9 is not
keyed on the system board connector).
5
USB6
6
USB7
7
GND
8
GND
9
(not keyed)
10
Not connected
160 Appendix A Appendix A—Connector pins ENWW