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Assigning SCSI IDs
Each device attached to one SCSI port must have a different SCSI ID.
When you boot your PC, the SCSI Configured Auto Matically (SCAM)
program, included with the docking station, automatically assigns SCSI
IDs to SCAM-capable devices.
Conventional SCSI devices are not SCAM-capable; their SCSI IDs are
set by jumpers or switches and cannot be changed by SCAM
commands. This causes a problem only if two or more devices are
set to the same SCSI ID, which will create a conflict. To avoid this,
you must set the switch or jumper settings to a different SCSI ID. See
your SCSI device documentation for instructions on how to do this.
The default host adapter ID is SCSI ID 7.
If you need to assign SCSI IDs manually, assign SCSI IDs 0 and
1 to the first two SCSI hard disk drives in your system.
Terminating the SCSI Port
Note: There are two types of SCSI devices: external SCSI devices
and internal SCSI devices. The descriptions in this section
pertains only to external SCSI devices. Internal SCSI devices
do not need terminators.
The last external SCSI device at the end of the daisy chain of drives
from the SCSI port must have a set of resistors called a
terminator.
Terminators must be removed from, or disabled on, all other devices
on the SCSI port.
Most SCSI peripherals have built-in terminators that can be enabled or
disabled. Terminate
only the device at the end of the daisy chain.
Terminating SCSI Devices
1
Read the manufacturer's documentation to determine how to
enable or disable termination on SCSI devices.
2
Install or enable terminators on the SCSI device at the
end of
the SCSI port (cable).
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IBM ThinkPad SelectaDock II User's Guide
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