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4-70 Sun Fire V20z and Sun Fire V40z Servers—User Guide • March 2005
1. Disconnect the SCSI signal cable (1) from the SCSI backplane and from the
motherboard.
2. Connect the new SCSI signal cable to the SCSI backplane and the motherboard,
according to the markings on the cable.
If you have no other cables to replace, jump to “Re-install the Components” on
page 4-73. Otherwise, continue in the procedure with your next type of cable.
3. Disconnect the SCSI power cable (2) from the SCSI backplane and from the
motherboard.
4. Connect the new SCSI power cable to the SCSI backplane and the motherboard,
according to the markings on the cable.
If you have no other cables to replace, jump to “Re-install the Components” on
page 4-73. Otherwise, continue in the procedure with your next type of cable.
DVD-ROM/Diskette Drive Assembly Cable
Note – This cable consists of two separate cables for the signals which are joined at
each end into one connector.
1. Remove the metal PCI bracket guide. Unscrew the two screws that fasten the PCI
bracket guide to the motherboard and server chassis. Lift the bracket guide up and
out of the chassis.
This bracket guide keeps full-length PCI cards in place.
2. Slide the plastic air baffle up and off from the base of fan 12.
Note – For the front fans, the fan numbers are imprinted on the main air baffle that
normally sits on top of the front fan-cage assembly.
3. Remove fan 12. Squeeze the retainer clip on the edge of the fan, then pull the fan
straight up to disengage its connector and remove it from the fan cage.
4. Disconnect the DVD-ROM/Diskette Drive cable (3) from the motherboard (by the
vertical PCI slots).
5. Remove the service loop for the flat cables from the plastic retainer clip on the
chassis wall.
6. Press the plastic latch on front left side of DVD-ROM/Diskette Drive assembly.
7. Gently pull the assembly out of the bay while feeding the cables through the rear
of the bay (see
FIGURE 4-14).