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Chapter 4 Features

Hardware Architecture Features

The ADAC Ultra2 S466 hardware architecture features

include:

Specification Feature

Processor Intel i960RP3V 33

SCSI Controller Symbios Logic 53C895

Size of Flash ROM 1 MB

Amount of NVRAM 32 KB

Hardware XOR assistance No

Direct I/O Yes

Removable cache memory module Yes

SCSI bus termination Active, single-ended or LVD

Double-sided SIMMs Yes

Auxiliary TermPWR source No

Direct I/O bandwidth 132 MB/s

Array Performance Features

The ADAC Ultra2 S466 array performance features

include:

Specification Feature

Host data transfer rate 132 MB/s

Drive data transfer rate 80 MB/s

Maximum Scatter/Gathers 26 elements

Maximum size of I/O requests 6.4 MB in 64 KB stripes

Maximum Queue Tags per drive 211

Stripe Sizes 2 KB, 4 KB, 8 KB, 16 KB, 32 KB, 64

KB, or 128 KB

Maximum number of concurrent

commands

255

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 111 112

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Gateway Ultra2 Manual de usuario Pagina 45