Installing System Components 107
Figure 3-17. Routing the Optical Drive Cable (3.5-inch Hard-Drive Chassis)
Internal Tape Backup Unit
An optional internal tape backup unit can be installed in a chassis that has a
flex bay. The tape backup unit connects either to the SATA controller on the
system board for a SATA device, or to the SCSI controller expansion card for a
SCSI device.

Installing the Tape Backup Unit

CAUTION: Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
1 optical drive connector 2 DVD/TBU_PWR connector
3 cable retention bracket 4 SATA_A connector
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