Sun Microsystems Ultra 5, Service Manual

Page: 119 / 258

Chapter 6 Major Subassemblies 6-7
6.2.4 Replacing the Hard Drive Cable Assembly
1. Replace the hard drive cable assembly as follows (
FIGURE 6-3
):
a. Position the hard drive cable assembly into the chassis.
b. Connect the hard drive cable assembly connectors to the following:
■
Hard drive(s)
■
Motherboard (J15)
Note –
Verify that the cable connectors are oriented properly by aligning the
connector keys.
Note –
If the system has an optional secondary hard drive installed, the drives use
a cable with three connectors. Ensure that the three connectors are replaced correctly,
as described in Section 7.2.3 “Installing a Secondary Hard Drive” on page 7-8.
2. Detach the wrist strap, replace the system cover, and power on the system as
decribed in Chapter 10.
6.2.5 Removing the Serial/Parallel Cable Assembly
1. Power off the system, remove the system cover, and attach an antistatic wrist strap
as described in Chapter 5.
Caution – Use proper ESD grounding techniques when handling components. Wear
an antistatic wrist strap and use an ESD-protected mat. Store ESD-sensitive
components in antistatic bags before placing them on any surface.
2. Remove the serial/parallel cable assembly as follows (
FIGURE 6-4
):
a. Disconnect the serial/parallel cable assembly connector from the motherboard
(J7/J8).
b. Using a No. 2 Phillips screwdriver, remove the screw securing the serial/
parallel cable connector-assembly to the chassis. Remove the connector
assembly from the chassis opening.
c. Remove the serial/parallel cable assembly from the chassis.