Digital Equipment StorageWorks UltraSCSI DS-BA370 Series, User Manual

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Power Verification and Addressing (PVA)
4–4 UltraSCSI RAID Enclosure
____________________ Caution ____________________
Removing both the EMU and PVA at the same time will cause
the system to RESET.
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SBB Device IDs
The 24 disk drives in each enclosure are arranged on six vertical buses in
four horizontal shelves. All six devices on the same horizontal shelf use the
same device address or ID. See Figure 4–4 for the master enclosure SBB
device IDs.
Figure 4–4 Master Enclosure Device IDs
CXO5755A
2 3 4 5 6 1
SCSI bus
3
2
1
0
____________________ Caution ____________________
To preclude SCSI bus addressing conflicts, DIGITAL only
supports enclosure address settings 0, 2, and 3.
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