HP Xw4600 - Workstation - 2 GB RAM Technical Reference Manual page 176

Internal USB system board 2x5
connector
CAUTION:
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).
Workstation processor, PCI, and rear
chassis fan connector
Workstation FDD connector
166 Appendix A Appendix A—Connector pins
Possible equipment damage.
Pin Signal
5 USB6
6 USB7
7 GND
8 GND
9 (not keyed)
10 Not connected
Pin Signal
1 Ground
2 +12V
3 Tach
4 CMD
5 MT
Pin Signal
1 Ground
2 FLP_LOWDEN#
3 Tach
4 FLP_WDO
5 MT
6 Unused
7 Ground
8 FLP_INDEX#
9 Ground
10 FLP_MOTOR#
11 Ground
12 Unused
13 Ground
14 FLP_SEL_A#
15 Ground
Pin Signal
18 FLP_DIR#
19 Ground
20 FLP_STEP#
21 Ground
22 FLP_STEP#
23 Ground
24 FLP_WRTEN#
25 Ground
26 FLP_TRACK#
27 Ground
28 FLP_WP#
29 Ground
30 FLP_RD_D#
31 Ground
32 FLP_HD_SEL#
ENWW