HP Xw6600 - Workstation - 2 GB RAM Technical Reference Manual page 162

Internal USB system board 1x5
connector
Workstation memory and chipset fan
connector
CPU fan system board connector
Workstation FDD connector
152 Appendix A Appendix A—Connector pins
Pin Signal
1 +5V
2 USB-
3 USB
4 GND
5 (not keyed)
Pin Signal
1 Ground
2 +12V
3 Tach
4 PWM
Pin Signal
1 Ground
2 FLP_LOWDEN#
3 Key (no pin)
4 FLP_WDO
5 Key (no pin)
6 Unused
7 Ground
8 FLP_INDEX#
9 Ground
10 FLP_MOTOR#
Pin Signal
1 GND
2 +12V
3 Tach 1
4 PWM
5 Tach 2
Pin Signal
18 FLP_DIR#
19 Ground
20 FLP_STEP#
21 Ground
22 FLP_WDATA#
23 Ground
24 FLP_WRTEN#
25 Ground
26 FLP_TRACK#
27 Ground
ENWW