Dc Power Cables - Dell 2100 User Manual

A header connector is usually keyed by the omission of one
of its pins with the corresponding hole filled in on the cable
connector, as shown in Figure 8-5.
CAUTION: When connecting an interface cable,
match the colored strip to the pin-1 end of the
connector. Reversing the cable prevents the drive
from operating and could damage the controller,
the drive, or both.

DC Power Cables

Figure 8-6 identifies the types of DC power cables coming
from the computer's power supply. Before connecting a
drive to a power cable, refer to Figure 8-6 to identify the cor-
rect cable connector to use for the drive.
system board
connector
5.25-inch drive
connector
Figure 8-6. DC Power Cable Connectors
system board
connector
3.5-inch drive
connector
I
nstalling Drives in the External
Bays
The external drive bays (Figure 8-7) can hold up to three
half-height devices. A diskette drive is standard in the top
bay and a CD-ROM drive is standard in the middle bay. The
lower bay can be used for a SCSI drive or a drive that
requires its own controller card and interface cable, such as
some kinds of tape drives.
drive in top bay
drive in middle bay
empty lower bay
press
(two places)
Figure 8-7. Drives in the External Bays
Installing Drives in the External Bays 8-105