Internal USB system board 2x5
connector
Pin Signal
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
Workstation processor, PCI, and rear
chassis fan connector
Pin Signal
1 Ground
2 +12V
3 Tach
4 CMD
5MT
Workstation FDD connector Pin Signal Pin Signal
1 Ground 18 FLP_DIR#
2 FLP_LOWDEN# 19 Ground
3 Tach 20 FLP_STEP#
4 FLP_WDO 21 Ground
5 MT 22 FLP_STEP#
6 Unused 23 Ground
7 Ground 24 FLP_WRTEN#
8 FLP_INDEX# 25 Ground
9 Ground 26 FLP_TRACK#
10 FLP_MOTOR# 27 Ground
11 Ground 28 FLP_WP#
12 Unused 29 Ground
13 Ground 30 FLP_RD_D#
14 FLP_SEL_A# 31 Ground
15 Ground 32 FLP_HD_SEL#
166 Appendix A Appendix A—Connector pins ENWW
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