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18
Hawk 2 Family Installation Guide, Rev. C
SCSI address selection
On "N/ND" drives, make sure that the SCSI bus ad-
dress jumper(s) are properly set for the bus address
assigned to the drive. See figures at beginning of
Section 3 showing the bus address select header and
the jumper configurations that select addresses 0
through 7. Typically the primary boot device is set to ID
0, and the subsequent SCSI drives are jumpered in
ascending order. Bus addresses 0 through 6 should be
used (the host adapter usually uses address 7). If the
drive LED shows no on/off activity when the host is
trying to communicate with it, an incorrect bus address
selection at the drive should be suspected.
On "NC" model drives the SCSI ID can be, and presum-
ably will be set over the 80 pin interface by the host
computer. Unless directed to do so by the host system
documentation, no jumpers should be installed for
address selection. On "NC" models, the host has also
complete control over motor start functions, so no
motor start or delayed motor start jumpers should be
installed.
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