Seagate Elite 9 User Manual download pdf (Page 35)

To enable the feature, it is necessary to run an additional daisychain cable from

drive to drive and to make a master/slave selection for each drive. Connector J5

on the control board handles the cable connections. Master/slave selection is

made by a jumper on connector J4A. Figure 15 shows the two connectors.

For a drive at the end of the daisychain, the cable connects to one of the two rows

of pins (row A or row B), and a terminator connects to the other row of pins, as

shown in Figure 15. Both ends of the cable must be terminated.

Pin 4B

Pin 4A

Pin 1A

Pin 1B

J4A

Cable from

Preceding Unit

Cable to

Next Unit

Control

Board

Select Plug

(removed = master)

Master / Slave

Figure 15. Making spindle sync connections

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Seagate Elite 9 User Manual Page 35