HP 6642D (US) manual 7 5 3 8 6 4, Jumper settings 2.2.1 Master/slave configuration, Cable select

18 U8 Family Product Manual, Rev. B

2.2 Jumper settings

2.2.1 Master/slave configuration

The options jumper block shown in Figure 2 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 a jumper on pins 7 and 8. Use this jumper setting only if the drive does not work as a master with no jumpers installed.

Options jumper block (J8)

Master or single drive

Drive is slave

Master with a non-ATA- compatible slave

Cable select

7 5 3 1

8 6 4 2

Figure 2. Master/slave jumper settings