Seagate 275XE, 545XE manual Jumpers and connectors

Medalist XE Family Installation Guide, Rev. A 3

			4-pin
		power connector		2-pin
1	2	3 4	Circuit board	header
				–
			+5V
			+5V return	+
			+12V return
			+12V

Pin 1

40-pin

ATA interface

connector

3-pin

power connector (optional)

Keyway	1	2	3
Circuit			Ground
board			+12V
			+5V

Drive activity

LED (optional)

			8-pin
master/slave jumper block				Spare jumper
7	5	3	1	across pin 1 and pin 3
			Front
8	6	4	2

The drive is a master; the slave is either a Medalist family drive or another ATA-compatible drive, or there is no slave.

The drive is a master; a slave is present, but it is not ATA-compatible.

The drive is a master; a slave is present that uses only the PDIAG– signal.

The drive is a slave to an

ATA-compatible master.

Cable select

Figure 1. Jumpers and connectors