1power cable

2power input connector

The drive's interface connector is a card-edge connector or a header connector, as shown in the following figure.

Drive Interface Connectors

1header connector

2colored stripe on the cable

3interface cable

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.

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.

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:

Cable the primary IDE system-board connector to IDE hard drives.

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:

Two devices, master and slave

Logical blocking address (LBA)

PIO Mode 3 and Mode 4

Ultra ATA/100 (backward-compatible with ATA/66 and ATA/33)

IDE Cables

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Dell 340 manual IDE Device Installation Guidelines, Drive Interface Connectors

340 specifications

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