HP A165890669 User Manual page 23

Single-Ended SCSI-2 Bus Configuration Constraints
For the single-ended SCSI-2 bus, HP-UX supports only one of each type of removable-
media disk drive (i.e., floppy disk, CD-ROM, or magneto-optical drives) and two of the
same type tape devices (i.e., 4-mm DDS tape drives or 9-track tape drives), per SCSI bus.
You may connect no more than seven SCSI-2 devices to each single-ended SCSI-2 bus.
Table 1–1 shows the configuration constraints for each single-ended SCSI-2 device type.
You may connect no more than seven SCSI-2 device IDs to each single-ended SCSI-2
bus. Some SCSI-2 devices use more than one SCSI-2 drive address. Each address must
be accounted for in the maximum number of SCSI-2 devices allowed.
CAUTION: Do not connect single-ended SCSI-2 devices to a differential
SCSI-2 bus or differential SCSI-2 devices to a single-ended SCSI-2
bus. Connecting a SCSI-2 device to the wrong SCSI-2 bus can
cause system failure.
Introduction
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