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Cable Connections
System board connectors are color-coded to make it easier to find the proper connection.
System Board Connections
System Board Connector, Name, and Connector Color Description
P1, PWR, black Power supply, 24-pin
P3, PWRCPU, black Power supply, 4-pin
P10, FLOPPY, black Diskette drive
P70, CPU FAN, white Heatsink fan
P8, CHASSIS FAN, brown or red Chassis fan
P5, PB/LED, black Front power button/LED
P24, FRNT USB, Yellow Front I/O USB cable
P23, FRNT AUD, black Front I/O audio
P6, SPKR Internal speaker
P52, SERIAL B Serial port
P124, HLCK Hood lock solenoid
P125, HSENSE Hood sensor
P150, MEDIA CARD Media card reader
Power Supply Cable Connections
Power Supply Connector ID Description
P1 Main power
P3 CPU power
P4 1st Hard drive, SATA0
P5 2nd HDD
P6 PATA/Zip/Media card reader
P8 Diskette drive
P9 1st ODD or 2nd HDD if no ODD present, SATA1
P10 2nd ODD
P11 3rd ODD
68 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis