Dell OptiPlex GX300 User Manual page 29

8. Connect a DC power cable to the power input connector on the back of the drive (see
Check all connectors to be certain that they are properly cabled and firmly seated.
9. Connect one of the device connectors on the EIDE cable to the 40-pin interface connector on the back of the hard-disk drive.
NOTICE: You must match the colored strip on the EIDE cable with pin 1 on the drive's interface connector to avoid
possible damage to your system.
NOTE: Ultra Advanced Technology Attachment (ATA)/66 hard-disk drives require an 80-conductor cable to transfer data at
full speed. The 80-conductor cable has a 40-pin connector just like the Ultra ATA/33 cable but has twice as many wires
within the cable itself. If you use an Ultra ATA/33 cable with Ultra ATA/66 hard-disk drives, they will transfer data at Ultra
ATA/33 speeds.
Figure 4. Attaching Hard-Disk Drive Cables
10. If it is not already connected, connect the other end of the EIDE cable to the IDE1 connector on the system board.
NOTICE: You must match the colored strip on the EIDE cable with pin 1 on the IDE1 connector to avoid possible damage
to your system.
To locate the IDE1 connector, see
11. Replace the computer cover. Then reconnect your computer and peripherals to their power sources, and turn them on.
12. Insert a bootable system diskette into drive A, and restart the computer.
Figure 3 in "Inside Your Computer."
1 Drive-cage slide rail
2 Chassis slots
3 Hinge tabs
4 Sliding tab
Figure 4).
1 Interface connector
2 Power input connector
on drive
3 DC power cable
4 EIDE cable