Seagate ST3660A Product Manual - Page 22
Medalist drive as master, 4.2.2, Medalist drive as slave, Cable-select configuration - specs
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14 Medalist XE Family Product Manual, Rev. B 2.4.2.1 Medalist drive as master The Medalist drives provide for three ways the slave can identify itself. You can configure the Medalist drive for a slave that is: • An ATA-compatible drive • A non-ATA-compatible drive that does not conform to the DASP- timing parameter of the ATA spec • A non-ATA-compatible drive that does not conform to the DASP- timing parameter of the ATA spec but negates PDIAG- when the drive is ready 2.4.2.2 Medalist drive as slave The Medalist drive conforms to the ATA standard for slave identification. If the master drive is a non-ATA-compatible drive, it may not recognize the Medalist drive in the slave position. We recommend that you configure your Medalist drive as the master when used with a non-ATA-compatible drive. 2.4.3 Cable-select configuration If your computer and both of your drives support cable select (CSEL), you can use the cable select option to determine the master and slave. To configure your drives to use cable select, you need to install jumpers and to use a special cable-select cable as follows: • Install a jumper on pins 3 and 4 of the master/slave jumper block as shown in Figure 3 on page 13. When a jumper is installed in this position, the drive ignores the jumper installed on pins 7 and 8. • You must use an interface cable built for cable-select. To make a drive the master, attach it to the connector that has the CSEL signal line connected to pin 28. To make a drive the slave, attach it to the connector that has pin 28 unconnected (CSEL is not carried to pin 28 of that cable connector.) Note that CSEL is grounded at the host.