Jumper Settings; Master/Slave Configuration; Cable-Select Option; Figure 3. Master/Slave Jumper Settings - Seagate Barracuda 5400.1 ST320015A Product Manual

Ultra ata interface drives

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3.2

Jumper settings

3.2.1

The options jumper block shown in Figure 3 is used to configure the drive for

operation. It is the 8-pin dual header between the interface connector and the

power connector. Use the following settings to configure the drive as a master

or a slave.

Master or single drive. The drive is configured at the factory for a master or

single-drive operation with a jumper set on pins 7 and 8.

Drive as slave. Remove all jumpers.

Drive as master with a non-ATA-compatible slave.

Set a jumper on pins 5 and 6 and another jumper on pins 7 and 8. Use this

jumper setting only if the drive does not work as a master with no jumpers

installed.

Figure 3.

Master/slave jumper settings

3.2.2

Cable select option

Computers that use cable select determine the master and slave drives by

selecting or deselecting pin 28, CSEL, on the interface bus. Master and slave

drives are determined by their physical position on the cable. To enable cable

select, set a jumper on pins 5 and 6 as shown in Figure 3. Refer to your

computer manual to determine whether your computer supports this option.

Barracuda 5400.1 Product Manual, Rev. A

Options jumper block

Master or single drive

Drive is slave

Master with non ATA-

compatible slave

Cable select

7 5 3

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