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Last updated: March 26, 1999


SunOS 4.x SCSI Targets

Single-ended and Differential SCSI* on SunOS 4.x
Controller Differential SCSI Disk Drive CDROM
Disk Drive Tape Drive
0 0 - 3 4 - 5 6
1 8 - 11 12 - 13 14
2 16 - 19 20 - 21 22
3 24 - 27 28 - 29 30

* Differential SCSI requires SunOS 4.1.3 or greater

Sun-4/20/25 on SunOS 4.x
SCSI DEVICE TARGET ID UNIX ID BOOT ID
1st Disk 0 sd3 sd(0,3,0)
2nd Disk 2 sd2 sd(0,2,0)
3rd Disk 1 sd1 sd(0,1,0)
4th Disk 3 sd0 sd(0,0,0)
1st Tape 4 st0 st(0,0,0)
2nd Tape 5 st1 st(0,1,0)
CD-ROM 6 sr0 sd(0,6,2)

Sun-4/40/50 on SunOS 4.x
SCSI DEVICE TARGET ID UNIX ID BOOT ID
1st Internal Disk 3 sd0 sd(0,0,0)
1st External Disk 0 sd3 sd(0,3,0)
2nd External Disk 2 sd2 sd(0,2,0)
3rd External Disk 1 sd1 sd(0,1,0)
4th External Disk 3 sd0 sd(0,0,0)
1st Tape 4 st0 st(0,0,0)
2nd Tape 5 st1 st(0,1,0)
CD-ROM 6 sr0 sd(0,6,2)

Sun-4/60/65 on SunOS 4.x
SCSI DEVICE TARGET ID UNIX ID BOOT ID
1st Internal Disk 3 sd3 sd(0,0,0)
2nd Internal Disk 1 sd1 sd(0,1,0)
1st External Disk 0 sd3 sd(0,3,0)
2nd External Disk 2 sd2 sd(0,2,0)
3rd External Disk 1 sd1 sd(0,1,0)
4th External Disk 3 sd0 sd(0,0,0)
1st Tape 4 st0 st(0,0,0)
2nd Tape 5 st1 st(0,1,0)
CD-ROM 6 sr0 sd(0,6,2)

Sun-4/25/40/50/60/65/75 with Boot PROM 2.0 and greater
SCSI DEVICE COMMAND BOOT PATH TARGET ID UNIX ID
Internal Disk boot disk /sbus/esp/sd@3,0 3 sd0
Internal Disk boot disk0 /sbus/esp/sd@3,0 3 sd0
Internal Disk boot disk1 /sbus/esp/sd@1,0 1 sd1
External Disk boot disk2 /sbus/esp/sd@2,0 2 sd2
External Disk boot disk3 /sbus/esp/sd@0,0 0 sd3
1st Tape boot tape /sbus/esp/st@4,0 4 st0
1st Tape boot tape0 /sbus/esp/st@4,0 4 st0
2nd Tape boot tape1 /sbus/esp/st@5,0 5 st1
CD-ROM boot cdrom /sbus/esp/sd@6,0:c 6 sr0
Floppy boot floppy /fd N/A fd0



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