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Hawk 2 (Wide bus) Family Install Guide, Rev. C18
Initial setup information
For the initial setup connect the cables, set the SCSI
bus address and enable or disable (as required by
system configuration), the SCSI I/O line terminator
resistors (model "W" drives only). Note whether the
drive model number ends in W, WC or WD. These
procedures are described in paragraphs following.
SCSI interface cable connection
The drives covered by this manual are SCSI interface
drives. For "W" and "WD"" models, system connection
is via a 68 pin, SCSI connector. For "WC" models
system connection is via an 80 pin SCSI connector.
Normally "WC" models plug directly into a PCB or
bulkhead mounted mating 80 pin connector. Pin 1 is
noted in Figures 1a and 1b. Some cables have a
contrasting color stripe on one edge to indicate pin 1.
The I/O connector is keyed by virtue of its shape. There
is only one way it can mate with the mating input
connector. Strain relief is recommended at the cable for
drives using cables.
Do not block system cooling air
flow in routing of cables.
DC Power connection
Model ST12400W/WD family drives receive DC power
through a 4 pin connector mounted on the PCB next to
the SCSI I/O connector. See Figure 1.