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  | Appendix B: Hardware Specifications  | |
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B.6.3 Controller Specifications | 
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  | Description | Specification  | 
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  | Cache memory  | At least 128MB, up to 1GB,   | 
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  | SDRAM DIMM socket x1  | 
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  | Firmware  | Resides in 2MB Flash memory  | |
  | NVRAM | 32KB  | 
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  | Devices per Channel  | SCSI: up to 15 SCSI devices  | 
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  | Supported Device Types  | Synchronous or asynchronous  | |
  | RAID Levels Supported  | 0, 1(0+1), 3, 5, 10, 30, 50, JBOD and  | 
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  | SCSI Connectors  | ||
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  | base module  | 
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  | SCSI Cables  | Up to 12 meters with   | |
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  | differential  | 
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  | Serial Port  | ||
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  | Ethernet Port  | 10/100M  | |
  | LCD Panel  | Yes  | 
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  | LED and   | Yes  | 
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  | Board Connectors  | ||
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  | on main board   | 
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  | main board backplane, integrating  | 
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  | SCSI/Fibre channels, redundant  | 
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  | controller features,   | 
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  | port and drive failure indication  | 
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  | interface  | 
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  | Table   | 
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Technical Specifications  |