Seagate ST31270A manual Options jumper block settings

Medalist 1270 Installation Guide, July 1995 7

Options jumper block (J8)

13 11	9	7	5	3	1
14 12 10		8	6	4	2

Circuit board side up

Spares

One drive only

Drive is master; slave is present

Drive is slave when another drive is present;

Master/slave timing protocol. Makes the drive compat- ible with some drives as the slave.

Dual-drive emulation Cannot be used with cable select.

Cannot be used with a second, physical drive.

Cable select

Remote LED connection

pin 13 (–), pin 14 (+)

Figure 2. Options jumper block settings