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SCSI Connections
Assigning SCSI Device IDs
Fast, Wide Differential SCSI IDs (C160/C180/C200 Upgrades)
Before assigning a SCSI device ID to your drive, you need to check your SCSI
device IDs. To check which SCSI device IDs are available and assign an ID to
your device, follow these instructions which use Table 28.
1 Write in the type of each device currently connected to your system under the
heading “Fast, Wide Differential SCSI Device Drives” and each drive’s SCSI
device ID under the heading “Device ID.”
2 Add your new drive to the table.
3 Check to see what SCSI device IDs are not used. You may use ID numbers 0
through 6 and 8 through 15 if they are not already in use. If the default ID on
your drive does not conflict with any existing drive IDs, use that ID. If your
default address conflicts with an existing drive ID, assign a new fast, wide
SCSI device ID to your drive. Refer to the drive’s installation documentation
for information on changing the device ID.
CAUTION: Do not use SCSI device ID 7 for any device.
Table 28 Fast, Wide Differential SCSI Device Drives and Device ID
Fast, Wide Differential SCSI Device Drives
Device ID (Address) Number
(ID 7 not available)
1st Internal Device ______________________________
__________
2nd Internal Device ______________________________ __________
1st External Device _______________________________ __________
2nd External Device _______________________________ __________
3rd External Device _______________________________ __________
4th External Device _______________________________ __________
NOTICE: You can have no more than 15 SCSI devices connected to a fast, wide bus.