Support | Deskstar 4 - Jumper settings

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Deskstar 4
Jumper settings

Models: DCAA-33610, 34330

Option block

Jumper location

Jumper settings

Jumpers may be fitted to select the following options:
	Pin #
Master active	1-2
Slave active	3-4
Cable select	5-6
Slave present*	7-8
Write cache	9-10 (disabled with jumper)
Reserved	11-12
Reserved	13-14
Note: *Jumper these pins if the slave drive is not recognized by this master.

Write cache jumpers Write cache jumpers is checked during the initial POR check. Write cache is disabled when a jumper is fitted and in this case a "Set Features" command to switch write cache "on" or "off" will be aborted by the drive. Shipping default settings Master is set to on (i.e. jumper on pins 1-2) No other jumpers are fitted. Note: The jumper positions JP1,JP2,JP3,JP4 must not be selected concurrently.

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