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Chapter 4 91
SCSI Connections
Assigning SCSI Device IDs
ba 5 10/6 ROPEtoPCI CLAIMED BUS_NEXUS PCI Bus Bridge - ROPEtoPCI
processor 0 32 processor CLAIMED PROCESSOR Processor
processor 1 34 processor CLAIMED PROCESSOR Processor
memory 0 49 memory CLAIMED MEMORY Memory
Assigning Ultra Narrow Single-Ended SCSI Device
IDs
You can determine which Ultra Narrow Single-Ended SCSI (NSE SCSI)
devices are currently in use by reviewing the output from the ioscan
command discussed above and looking under the “H/W Path” heading.
The entry 10/0/15/0 is the built-in Ultra Narrow Single-Ended SCSI bus.
For devices connected to the built-in Ultra Narrow Single-Ended SCSI
bus, such as disks, the number between the two decimals and after the
third “/” in the hardware path specifies the SCSI ID for that device. For
example, a hardware path of 10/0/15/0.2.0 specifies a NSE SCSI device at
SCSI ID 2. Here is the break down of the hardware path:
SCSI device 10/0/15/0.2.0
NSE SCSI 10/0/15/0.2.0
SCSI ID 2 10/0/15/0.2.0
CAUTION Do not use SCSI device ID 7 for any device. It is reserved for the built-in
SCSI bus controller.