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Changing Your Workstation’s Hardware Configuration
Checking the SCSI IDs
After a few moments the ioscan utility lists all of the SCSI I/O devices it could
find. The list appears similar to the following:
Class I H/W Path Driver S/W State H/W Type Description
=============================================================================================
bc 0 root CLAIMED BUS_NEXUS
bc 1 8 ccio CLAIMED BUS_NEXUS I/O Adapter
ext_bus 0 8/0 c720 CLAIMED INTERFACE GSC built-in Fast/Wide SCSI
Interface
target 0 8/0.0 tgt CLAIMED DEVICE
disk 3 8/0.0.0 sdisk CLAIMED DEVICE QUANTUM LPS1080WD
target 1 8/0.5 tgt CLAIMED DEVICE
disk 2 8/0.5.0 sdisk CLAIMED DEVICE DEC DSP3210SW
target 2 8/0.6 tgt CLAIMED DEVICE
disk 0 8/0.6.0 sdisk CLAIMED DEVICE DEC DSP3210SW
ba 0 8/16 bus_adapterCLAIMED BUS_NEXUS Core I/O Adapter
ext_bus 2 8/16/0 CentIf CLAIMED INTERFACE Built-in Parallel Interface
audio 0 8/16/1 audio CLAIMED INTERFACE Built-in Audio
tty 0 8/16/4 asio0 CLAIMED INTERFACE Built-in RS-232C
ext_bus 1 8/16/5 c700 CLAIMED INTERFACE Built-in SCSI
target 3 8/16/5.2 tgt CLAIMED DEVICE
disk 1 8/16/5.2.0 sdisk CLAIMED DEVICE TOSHIBA CD-ROM XM-4101TA
target 4 8/16/5.3 tgt CLAIMED DEVICE
tape 0 8/16/5.3.0 stape CLAIMED DEVICE HP HP35480A
target 5 8/16/5.4 tgt CLAIMED DEVICE
disk 10 8/16/5.4.0 sdisk CLAIMED DEVICE SEAGATE ST3600N
target 6 8/16/5.6 tgt CLAIMED DEVICE
disk 5 8/16/5.6.0 sdisk CLAIMED DEVICE MICROP 2112
lan 0 8/16/6 lan2 CLAIMED INTERFACE Built-in LAN
ps2 0 8/16/7 ps2 CLAIMED INTERFACE Built-in Keyboard/Mouse
bc 2 10 ccio CLAIMED BUS_NEXUS I/O Adapter
ext_bus 3 10/12 c720 CLAIMED INTERFACE GSC Fast/WideSCSI Interface
target 7 10/12.4 tgt CLAIMED DEVICE
disk 6 10/12.4.0 sdisk CLAIMED DEVICE SEAGATE ST31200W
graphics 2 10/16 graph3 CLAIMED INTERFACE Graphics
ba 1 8/20 bus_adapterCLAIMED BUS_NEXUS Core I/O Adapter
hil 0 8/20/1 hil CLAIMED INTERFACE Built-in HIL
tty 1 8/20/2 asio0 CLAIMED INTERFACE Built-in RS-232C
ba 2 8/20/5 eisa CLAIMED BUS_NEXUS EISA Bus Adapter
ext_bus 4 8/20/5/3 hshpib CLAIMED INTERFACE EISA card HWP0C70
target 8 8/20/5/3.0 tgt CLAIMED DEVICE
target 9 8/20/5/3.1 tgt CLAIMED DEVICE
target 10 8/20/5/3.2 tgt CLAIMED DEVICE
processor 0 32 processor CLAIMED PROCESSOR Processor
memory 0 49 memory CLAIMED MEMORY Memory
4 If you are using HP-UX 9.05 or greater, you can find out the SCSI IDs currently
in use by looking under the H/W Path heading. The listing 2.0.1 scsi is the built-
in SCSI bus controller. For devices connected to the built-in SCSI bus, such as
disks, the fourth number is the SCSI ID for that device. For example, the listing
2.0.1.6.0 in the sample device list tells you that there is a SCSI device (a disk)
currently using ID 6 on the SCSI bus.
Although the information is presented in a different format if you are using HP-
UX 10.0, you also look under the H/W Path heading.
NOTICE: Never use SCSI address 7 for any device. Address 7 is reserved for the
SCSI controller.