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or on jumper J8 if the second computer is connected
to SCSI Channel B.
This feature works only when one computer is
turned off, and the other computer connected to the
same SCSI bus accesses the disk drives and other
SCSI devices on the bus.
Setting SCSI IDs
You must assign a different SCSI ID to each device on
the SCSI bus connected to the AHA-3940AU/AUW
host adapter. See your SCSI device documentation to
learn how to determine the ID and change it.
ID 7 is the default SCSI ID for the host adapter on
both SCSI Channels A and B. You can change the
ID(s) in SCSISelect, if necessary. See Configuring
the Host Adapter on page 8.
SCSI devices connected to an AHA-3940AU can
have IDs from 0 to 7. SCSI devices connected to
an AHA-3940AUW can have IDs from 0 to 15.
(The host adapter itself uses one SCSI ID on each
channel.)
The SCSI IDs on one SCSI channel do not inter-
fere with the IDs on another SCSI channel.
If you have two host adapters connected to the
same SCSI bus, be sure to assign them different
SCSI IDs, preferably IDs 7 and 6.
6
Completing the Installation
1
Put the computer cover back on the computer,
following the directions in the documentation.
2
Be sure all power switches are
nect power cables to your computer.
3
Turn
the power for the computer and the
ON
peripheral device(s).
4
If your system CMOS Setup requires you to
enable PCI bus parameters, do so now. Refer to
your computer documentation.
AHA-3940AU/AUW Installation Guide
Part Number: 511418-00, Rev. A
Print Spec Number: 496346-00
Current Date: 3/12/97
, then recon-
OFF
7
ECN Date:3/10/97
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