HP dc72 User Manual Page 174

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8–12 433612-001 Service Reference Guide, dc7700
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis
8.9.1 Cable Connections
All cable connectors on the system board are color-coded for ease of installation.
System Board Connections
Power Supply Connections
System Board Connector Description
Optical data/power P21, SECONDARY
Heatsink fan P8, CPU FAN
Chassis fan P9, CH FAN
Front LED/Power button P5, PB/LED, (black)
Front I/O USB P24, FRNT USB, (yellow)
Front I/O audio P23, FRNT AUD, (blue)
Speaker P6, SPKR
Serial port A P54, COM A
Parallel connector P126, PAR
Hood sensor P125, HSENSE
SATA hard drive P60, SATA0, (dark blue)
Connector ID Description
P1 Main power
P2 Hard drive
P3 CPU power
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