| 
 | Contents v | 
| Chapter 4 | 
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| Expansion Pedestal Option | 
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| Product Description | |
| Expansion Pedestal Cabinet | |
| Expansion Pedestal Components | |
| Reconfiguring Base Pedestal UltraSCSI Bus | |
| Chapter 5 | 
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| Second Controller Option | 
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| Second Controller Option Kit | |
| Installing the Upgrade | |
| Saving Existing Configuration | |
| Updating Firmware | |
| Shutting Down the RA3000 | |
| Installing Two SIMMs into Second Controller | |
| Replacing Existing Controller | |
| Restoring the Configuration | |
| Updating Firmware on Second Controller | |
| Installing Original Controller | |
| Configuring a Dual Controller Installation for a Single Serial Port | |
| Configuring the RA3000 for the Active Mode of Operation | |
| Configuring the Dual Controllers | |
| Connecting to Your Dual Controller Storage System | |
| Verifying the Controller Operating Parameters | 
List of Figures
| Figure  | RAID Array 3000 pedestal enclosure (drives optional) | |
| Figure  | Pedestal front panel major components | |
| Figure  | Pedestal rear panel power supplies | |
| Figure  | EMU circuit board location | |
| Figure  | Pedestal rear panel components | |
| Figure  | UltraSCSI bus port and default SCSI ID assignments | |
| Figure  | UltraSCSI bus configuration switch | |
| Figure  | Slot locations and SCSI ID addresses | |
| Figure  | Single host, single adapter cabling diagram | |
| Figure  | Single host, dual adapter/dual controller cabling diagram | |
| Figure  | 
 | |
| 
 | connection) cabling diagram | |
| Figure  | Dual host, single adapter/single controller cabling diagram | |
| Figure  | Bridging the gap between the host and the pedestal | |
| Figure  | Units created from storagesets, partitions, and disk drives | |
| Figure  | Controller front panel | |