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3. To identify the SCSI addresses used by all other devices, type
lsdev -Cs scsi
and press Enter. A list of devices appears in the following
format. In the fourth position of the third column, locate all instances of the
port that you chose in step 1 on page 5. (The list may contain multiple
instances of a port. In the following example, for port 2 (identified in step 1
on page 5) there are three instances.) The addresses of the other SCSI
devices appear in the seventh position (highlighted in the example that
follows):
Column 1
Column 2
Column 3
Column 4
hdiskð
Available ðð-ðð-ðS-
ð
,ð
2.ðGB SCSI Disk Drive
hdisk1
Available ðð-ð2-ð1-
2
,ð
4.5GB 16 Bit SCSI Disk Drive
hdisk2
Available ðð-ð2-ð1-
3
,ð
SCSI Disk Drive
rmtð
Available ðð-ð2-ð1-
4
,ð
SCSI 8mm Tape Drive
For the port chosen in step 1 on page 5, note the addresses of the other
SCSI devices attached to the RS/6000 (in this case, for port 2, the
addresses are
2
,
3
, and
4
).
4. Determine an unused SCSI address for the 7207-122 Tape Drive (in this
case, 0 1, 5, or 6, because 7 was used by the SCSI I/O controller and 2, 3,
and 4 are used by other devices).
Step 5. Setting the SCSI Address
The SCSI address is a unique address that identifies the 7207-122 Tape Drive to
your system unit. Use the SCSI address switch to set the SCSI address of the
7207-122 Tape Drive. The switch (
.1/
in Figure 3) is located on the rear of the
7207 Tape Drive. Figure 3 also shows the two 68-pin, wide SCSI bus cable
connectors
.2/
, the cooling fan
.3/
, and the power cable connector
.4/
.
Note: Set the device at the highest available address. Do not exceed address 7,
and do not select a SCSI address that is already in use (refer to “Step 4.
Determining the SCSI Address” on page 5).
Figure 3. Rear View of the 7207-122 Tape Drive
To set the SCSI address, press the
+
or
−
push button to access the address that
you have previously determined in “Step 4. Determining the SCSI Address” on
page 5.
6
7207 Tape Drive Setup, Operator, and Service Guide
Summary of Contents for System Storage 7207
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Page 36: ...Figure 15 Setting the Write Protect Switch Chapter 4 Using the Media 25...
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