IBM Ultrastar 36LZX Specifications page 30

8 bit devices which connect to the SCA-2 connector should have the following signals inactive (high):
-DB(8), -DB(9), -DB(10), -DB(11), -DB(12), -DB(13), -DB(14), -DB(15), -DB(P1). All other signals shall
be connected as defined.
Ultrastar 36LZX hard disk drive specifications
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