Peripherals Dc Power Harness; Removing The Peripherals Dc Power Harness; Replacing The Peripherals Dc Power Harness - Sun Microsystems SPARCstation 4 110 Service Manual

9.5

Peripherals DC Power Harness

9.5.1

Removing the Peripherals DC Power Harness

1. Shut down and power off the system.
See Section 6.1 "Powering Off the System" on page 6-1.
2. Remove the cover and attach a wrist strap.
See Chapter 7.
3. Remove the CD-ROM drive (if present).
See Section 9.2.1 "Removing the CD-ROM Drive" on page 9-5.
4. Disconnect the DC power harness from the diskette drive (if present).
5. Remove the power supply.
See Section 8.1.1 "Removing the Power Supply" on page 8-1.
6. Disconnect the DC power harness from the power supply, and carefully remove
the harness from the system chassis.
Note how the harness is routed from the power supply through the chassis wall to
the area behind the diskette drive.
9.5.2

Replacing the Peripherals DC Power Harness

1. Route the P1 connector through the drive bracket chassis wall so that the P2 and
P3 connectors are at the rear of the diskette drive area.
2. Connect the DC power harness connector (labeled P1) to the rear of the power
supply.
3. Reinstall the power supply.
See Section 8.1.2 "Replacing the Power Supply" on page 8-3.
4. Connect the DC power harness to the diskette drive (if present).
5. Reinstall the CD-ROM drive (if present).
See Section 9.2.2 "Replacing the CD-ROM Drive" on page 9-6.
6. Reconnect the DC power harness connector (labeled P2) to the CD-ROM drive.
Chapter 9 Storage Devices 9-15