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4.2.2
Installing the Hard Drive Backplane and Cables
1. Remove the new hard drive backplane and cables from the packaging.
2. Using a No. 2 Phillips screwdriver, replace the two screws for the hard drive
backplane.
3. Reconnect the cables to the following connectors:
Power cable P3 on backplane connector J2 (
Hard drive backplane signal cable from J4 of the hard drive backplane and J42 on
the motherboard
4. Inspect the cabling to verify that the signal and power cables are both secure at
the backplane and the motherboard.
5. If you removed any long PCI cards, replace them.
Refer to "Installing a PCI Card" on page 3-18.
6. Reassemble the workstation. Power on the system, and verify the cable
installation.
Refer to:
"Reassembling the Workstation" on page 6-1
"Verifying Component Installation" on page 6-5
4.3
Replacing the I/O Module With the
DVD-Dual Drive and Audio USB Board
This section describes removal and installation of the I/O module. The I/O module
contains the DVD-dual drive, the audio USB board with speaker, USB and audio
connectors, and the Power button and LED.
4.3.1
Removing the I/O Module and DVD-Dual Drive
1. Power off the system and attach an antistatic wrist strap. Open and position the
chassis, and remove the access panel.
Refer to "Powering Off the Workstation" on page 2-4.
2. Open the I/O cable clip at the top of the chassis (
3. Disconnect the following cables:
4-6
Sun Ultra 45 and Ultra 25 Workstations Service and Diagnostics Manual • May 2006
).
FIGURE 4-2
).
FIGURE 4-3
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