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5-8
Option Installation
Compaq ProLiant Storage System /U User Guide
Dual Bus Conversion
The Dual Bus Conversion option kit converts a Model U1 storage system to a
storage system with two SCSI buses. This option provides a hot-pluggable
drive backplane and an I/O board that supports two independent Wide-Ultra
SCSI-3 buses and converts the system to a Model U2.
Option Kit Contents
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Dual Bus drive cage
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Dual Bus I/O board
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Dual Bus Quick Installation Instructions
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SCSI cable for the second SCSI bus
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Hardware for tower and rack configurations
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Model and serial labels
Additional Materials Needed
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Torx T-15 screwdriver
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Compaq System Configuration Utility
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Compaq Array Configuration Utility (arrayed systems only)
Preparing the Storage System
Perform the following steps to prepare the ProLiant Storage System /U for
installation of the Dual Bus Conversion option.
1. Back up all data on all drives in the storage system before beginning the
installation procedure.
2. Perform a normal system shutdown.
3. Turn OFF the server supporting the storage system.
4. Place the storage system in STANDBY.
5. Disconnect the SCSI cable from the storage system.
6. Disconnect the power cord(s) from the storage system.