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IBM storage products
Drive Termination
The SCSI bus will need to be terminated at both ends of the bus. The Ultrastar 36XP does not have
onboard active termination. You will need to supply an external Ultra2 compatible terminator.
Termination Power
Some controllers may require the drive to supply 5 volts of power to the bus to aid termination. If your
controller requires this, place a jumper on the Termination Power Enable jumpers to the side of the
jumper block. These pins require a 2.54mm jumper shunt.
Auxiliary Option Jumper Block
The 68 pin models contain an auxiliary connector that replicates some of the functions provided by the
front option jumper block. The auxiliary connector should only be used if you have a combination
"ganged" switch, typically found in external drive enclosures. The front option block and the auxiliary
option block may not be used simultaneously.
IBM Hard Disk Drive Technical Support Center
: : : : : :
SCSI Address
ID2
ID0
+5V
ID3
ID1
11 9
7
5 3 1
12 10 8
6 4 2
Write Protect
Unused
Ground
Reserved
External Activity LED
Auto Spin Start
Page 10
68 Pin Auxiliary Connector
version 1.0
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