HP Z600 Maintenance And Service Manual page 220

Internal USB 2x5
CAUTION: Possible equipment damage.
The 2x5 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 connector (pin 9 is not keyed on the
connector).
Workstation front system fan
Workstation rear system fan
208 Appendix A Connector pins
Pin Signal
1 +5V
2 +5V
3 USB7#
4 USB8#
5 USB7
6 USB8
USB8
USB8
USB8
7 GND
8 GND
9 (not keyed)
10 DETECT
Pin Signal
1 Ground
2 +12V
3 Tach
4 CMD
5 MT
Pin Signal
1 GND
2 +12V
3 Tach1
4 PWM1
5 TACH2
6 PWM2
ENWW