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The drive's interface connector is a card-edge connector or a header connector, as shown in the following figure.
Drive Interface Connectors
When you attach the interface cable to a drive, be sure to match the colored stripe on the cable to pin 1 of the drive's interface connector. For the location of
pin 1 on the drive's interface connector, see the documentation that came with the drive.
When you disconnect an interface cable from the system board, be sure to press in on the locking tabs on the cable connector before you disconnect the
cable. When you attach an interface cable to the system board, be sure that the locking tabs snap into place so that the cable is firmly attached to the
connector on the system board.
Most interface connectors are keyed for correct insertion; that is, a notch or a missing pin on one connector matches a tab or a filled-in hole on the other
connector. Keyed connectors ensure that the pin-1 wire in the cable (indicated by the colored stripe along one edge of the cable) goes to the pin-1 end of the
connector. The pin-1 end of a connector on a board or a card is usually indicated by a silk-screened "1" printed directly on the board or card.
IDE Device Installation Guidelines
General Guidelines
With the two IDE drive cable connectors on the system board, your computer can support up to four IDE drives:
l Cable the primary IDE system-board connector to IDE hard drives.
l Cable the secondary IDE connector to IDE CD, DVD, tape, DAT, and zip drives.
To locate the IDE drive data connectors on the system board, see "System Board Components" or the interior service label. Each IDE drive data connector on
the system board supports the following:
l Two devices, master and slave
l Logical blocking address (LBA)
l PIO Mode 3 and Mode 4
l Ultra ATA/100 (backward-compatible with ATA/66 and ATA/33)
IDE Cables
1
power cable
2
power input connector
1
header connector
2
colored stripe on the cable
3
interface cable
NOTICE: When you connect an interface cable, do not reverse the interface cable (do not place the colored stripe away from pin 1 of the connector).
Reversing the cable prevents the drive from operating and could damage the controller, the drive, or both.