HP Dc7900 Service Reference Guide: HP Compaq dc7900 Business PC - Page 150
System board connectors are color-coded to make it easier to find the proper connection., Cable
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Cable Connections System board connectors are color-coded to make it easier to find the proper connection. Cable Power Supply Power Supply Power Supply Power Supply Power Supply Power Supply To System board, 24-pin Diskette drive CPU power, 6-pin 1st SATA hard drive 2nd SATA hard drive Optical drive Cable Designator P1 P2 P3 P4 P5 P7 System Board Connector P1 P3 P10 P9 P5 P24 P23 P6 P52 P60 P61 Connector Name PWR PWRCPU FLOPPY CHFAN PB/LED FRONT USB FRONT AUD SPRK COMB SATA 0 SATA 1 P62 SATA 2 P64 SATA 4 P124 P125 P150 P126 P151 HLCK HSENSE MEDIA PAR BOOST Connector Color White White Black Brown Black Yellow Blue White Black Dark blue White Light blue black Black White Black Black Black Description Power supply, 24-pin Power supply, 4-pin Diskette drive Chassis fan Front power button/LED Front I/O USB Front audio Internal speaker Serial port 1st HDD 1st ODD or 2nd HDD if no HDD present 2nd HDD if ODD present eSATA port or extra ODD/ HDD connector Hood lock solenoid Hood sensor Media card reader Flying parallel port header ReadyBoost module 138 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis