New System Features D-5
primary application load consists of sequential I/O or random I/O cards.
Max No. of Disks Per SCSI Card for Optimum Performance
Sequential I/O 3
Random I/O 4
SCSI Tapes
Up to seven magnetic tape units may be configured on a single SCSI interface card. However, no high
volume I/O devices, such as disks, should be configured on the same SCSI interface card.
SCSI Printers
For medium to heavy printing on a SCSI printer, it is recommended that only one printer be configured to
a single SCSI interface card. Further, it is recommended that a SCSI printer not share the same SCSI
interface card with any other peripherals.
Figure D-1 HP-PB Card Cage Slot Locations and Numbers
CAUTION
Always install I/O cards according to the priorities shown in Table D-1.. Load I/O Cards into the HP-PB
I/O Card Cage as follows:
• Bottom slot (slot 13) = highest priority
• Top slot (slot 0) = lowest priority.
Refer to Figure D-1. System operation may be degraded or fail if I/O card installation priorities are not
followed.
Lowest
Highest
------
Slot
Priority
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