Sun Microsystems Sun Fire V20z User manual

817-5258-11 1
Replacing the Sun Fire v20z or Sun Fire V40z Cable Kit
This document contains:
■“Replacing a Cable Kit in a Sun Fire V20z Server” on page 1
■“Replacing a Cable Kit in a Sun Fire V40z Server” on page 3
Replacing a Cable Kit in a Sun Fire V20z Server
Follow these steps to remove and replace the following cables (refer to FIGURE 2):
■Five-pin cable connecting the SCSI backplane to the motherboard (1).
■68-pin ribbon cable connecting the SCSI backplane to the motherboard (2).
■Flat cable connecting the SCSI backplane to the motherboard (3).
■Flat cable connecting the CD-ROM/DVD to the motherboard (5).
■Flat cable connecting the Diskette Drive to the motherboard (6).
■Flat cable connecting the operator panel board to the motherboard (7).
1. Turn off the system, including any attached peripherals.
Refer to the Sun Fire V20z and Sun Fire V40z Servers User Guide for full instructions
on powering off the server.
2. While pressing the cover latch release button with your right thumb (A), slide the
cover towards the rear of the chassis until it contacts the stop (B).
3. Lift the cover up and remove it.
FIGURE 1 Removing the Sun Fire V20z Cover
A
B

2Replacing the Sun Fire V20z or Sun Fire V40z System Cables
4. Identify the cable to be replaced.
FIGURE 2 Sun Fire V20z System Cables
The two halves of the 5-pin SCSI backplane power cable connector (1) are secured
with a hook.
The 68-pin SCSI ribbon cable (2) has no locking mechanism.
The small flat cables (3-7) are attached using two different types of zero insertion
force (ZIF) cable connectors. Because of their small size, it may be difficult to
distinguish one connector type from the other.
Refer to FIGURE 3 for the methods used to release cables from the various types of
connectors.
Caution – Use caution when removing cables as they are fragile—the small flat
flexible cables and cable connectors are extremely sensitive.
FIGURE 3 Cable Connectors
5. Check the routing of all cables for obstructions before reinstalling the cover.
1 32
4 5 6 7

817-5258-11 3
Replacing a Cable Kit in a Sun Fire V40z Server
The following procedure describes how to remove and replace the following cables:
■PCI slot mechanical retention latch (MRL) board cable
■Operator panel board cable
■SCSI signal cable
■SCSI backplane power cable
■CD-ROM/DVD-ROM diskette drive assembly cable
■Internal USB cable
1. Turn off the system, including any attached peripherals.
Refer to the Sun Fire V20z and Sun Fire V40z Servers User Guide for full instructions
on powering off the server.
2. Loosen the captive screw on the cover latch, then rotate the latch toward the
system rear to push back the cover.
3. Lift the cover up and remove it.
FIGURE 4 Removing the Sun Fire V40z Cover
4. Identify the cable to be replaced (see FIGURE 5 for the location).
Captive
screw

4Replacing the Sun Fire V20z or Sun Fire V40z System Cables
FIGURE 5 Sun Fire V40z System Cables
Refer to FIGURE 3 for the methods used to release cables from the various types of
connectors.
Caution – Use caution when removing cables because connectors and pins are very
fragile and can be damaged.
5. Check the routing of all cables for obstructions and then reinstall the cover.
Part Number: 817-5258-11
May, 2004, Revision A
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MRL board
cable
Operator panel
board cable
SCSI signal cable SCSI backplane
power cable
CD/DVD/diskette
assembly cable
Internal
USB cable