HP Xw4550 HP xw4550 Workstation - Service and Technical Reference Guide - Page 148
Floppy diskette drive, Internal USB system board 2x5 connector
UPC - 883585505951
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Internal USB system board 2x5 connector Pin The 2x5 internal USB system board connector can be mated to 1 either a wide 2x5 option cable connector or a narrow 1x5 option cable connector. 2 3 4 5 CAUTION: Possible equipment damage. Always key all option connectors to the blank pin 9 position to prevent damage to connectors and equipment. Always connect a narrow 1x5 option cable connector to pins 1,3,5, and 7 only. 6 7 8 9 10 Signal +5V +5V USB6# USB7# USB6 USB7 GND GND (pin not keyed) (not connected) System fan (rear chassis), processor fan, and PCI fan (front Pin chassis) system board connectors 1 2 3 4 Signal Ground +12V Tach CMD Floppy (diskette) drive Pin Signal Pin 1 Ground 18 2 FLP_LOWDEN# 19 3 unused 20 4 FLP_WDO 21 5 unused 22 6 unused 23 7 Ground 24 8 FLP_INDEX# 25 9 Ground 26 10 FLP_MOTOR# 27 Signal FLP_DIR# Ground FLP_STEP# Ground FLP_WR_D# Ground FLP_WRTEN# Ground FLP_TRACK# Ground 140 Appendix A Appendix A-Workstation connector pins ENWW