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21020690 B 6500 Disk Array User’s Guide
Chapter 4 Maintenance, Troubleshooting & Hardware Replacement
Page 4 - 12 Hardware Field-Replaceable Units (FRUs)
Hardware Field-
Replaceable
Units (FRUs)
The remainder of this chapter describes Field-Replaceable Units (FRUs) and
replacement procedures for Ciprico's 6500 arrays. Procedures in this section
cover removal and replacement of the following assemblies (see “Field
Replaceable Units (FRUs)” on page 4-13):
• Enclosure top cover
• Controller board
• Display/operation panel
• Power supply
• Cooling fans
• Power switch
• Disk drives
• Replacing EEPROMs (for firmware updates)
Field
Replacement
Guidelines
Observe the following guidelines when removing and replacing 6500 array
hardware as described on the following pages.
Caution Power down the array before connecting or disconnecting
communication cables.
Warning Power down the array before you move it or before you remove
the enclosure cover. Also, power down the array before you
connect or disconnect its SCSI cables.
Warning Observe standard Electrostatic Discharge (ESD) precautions: (1)
whenever the top cover is removed from the enclosure and the
controller board is exposed, and (2) when handling disk drives. We
strongly recommend using a static discharge strap to prevent
damage to the equipment. Failure to use a static discharge strap
may void your warranty.
Location of
FRUs in the
Array
“Field Replaceable Units (FRUs)” on page 4-13 identifies 6500 array Field-
Replaceable Units (FRUs).