Jumper Settings; Master/Slave Configuration; Cable-Select Option; Figure 2. Master/Slave Jumper Settings - Seagate ST34323A Product Manual

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2.2 Jumper settings

2.2.1 Master/slave configuration

The options jumper block (J8) shown in Figure 2 is used to configure the
drive for operation. It is the 6-pin dual header between the I/O 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 5 and 6.
Drive as slave. Remove all the jumpers if you are installing the drive as
a slave.
Drive as master with a non-ATA-compatible slave. Set a jumper on
pins 3 and 4 and pins 5 and 6. Use this jumper setting only if the drive
does not work with a single jumper on pins 5 and 6.
Options jumper block (J8)
5 3
6 4

Figure 2. Master/slave jumper settings

2.2.2 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 3 and 4 as shown in Figure
2 above. Consult your computer manual to determine whether your
computer supports this option.
ST34323A Family Product Manual, Rev. C
Slave
Master or single drive
Enable cable select
Master with a non-ATA-
compatible slave
1
2
Circuit Board