Scsi Connector Pinouts - Adaptec APA-358 MiniSCSI EPP Installation Manual

Enhanced parallel-to-scsi host adapter
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value that works with your EPP; typically the
value of 2 works with most parallel ports with
this problem.
Caution:
work after trying all these tests, it may not be
compatible with your parallel port. Contact
technical support.
3
If you share the MiniSCSI EPP with other sys-
tems, set up each system individually for proper
performance with the MiniSCSI EPP. Be sure to
follow the instructions in steps 1 and 2 to ensure
compatibility.
Older Sharp Laptops
Some older 8086-based Sharp
properly with the MiniSCSI EPP or with other pro-
grams that use high-speed parallel port data transfer,
such as LapLink
Software. Sharp offers a free hardware upgrade for
customers experiencing this problem; contact your
Sharp dealer for details.
7

SCSI Connector Pinouts

This section documents the SCSI interface connector
on the MiniSCSI EPP as well as typical connectors
found on SCSI devices. Internal SCSI devices com-
monly use a 50-pin header connector (SCSI specifica-
tion, Alternative 1), consisting of two rows of 25
male contacts with adjacent contacts 2.54 mm
(0.1 inch) apart, as shown below.
. . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . .
A typical single-ended shielded SCSI device 50-pin
connector (SCSI specification, Alternative 2) is
shown below; this connector is most often used with
an external SCSI device.
If your MiniSCSI EPP still does not
®
or DeskLink
9
®
laptops do not work
®
from Traveling
Internal SCSI
Connector

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