15 - 16 OPEN LED
17 - 18 OPEN Reserved
19 - 20 OPEN Spindle Sync Reference
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Table 6-14. 535 MB IBM SCSI-2 Hard Drive Jumper Options (Shipped
configuration below)
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Jumper Option Description
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1 - 2 OFF Device Identification, Bit 0
3 - 4 OFF Device Identification, Bit 1
5 - 6 OFF Device Identification, Bit 2
7 - 8 ON Auto Spin Up Enabled
9 - 10 OFF Unit Attention Enabled
11 - 12 OFF SCSI Terminator On