Seagate ULTRA ATA ST320423A - Manual (Page 26)

18 U10 Family Product Manual, Rev. A
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 6-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.
Figure 2. Master/slave jumper settings
Options jumper block (J8)
Drive is slave
Cable select
Master with a non-ATA-
compatible slave
Master or single drive
2 6 8 4
1 7 5 3