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4-Slot SCSI Disk Backplane

Workstations:	Ultra 450
Servers:	Enterprise 450

501-4148

Front View

Rear View

Notes

1. The 4-Slot Backplane is controlled by /pci@1f,4000/scsi@3.
2. Set OBP disk-led-assoc 0 to access the 4-Slot Backplane.
3. Hot plugging <=501-4148-04 causes other disks on the bus to go off-line.
4. Hot plugging operates correctly in 501-4148-05.

References

1. Ultra Enterprise 450 Owners Guide, 805-0429.
2. Ultra 450 Owners Guide, 805-0430.