14

Elite 9 Installation Guide, Rev. B

Characteristics of ST410800 drives

 

 

 

N/ND

W/WD

SCSI-2 Interface1

Fast

Fast & Wide

Multi-segmented cache

 

 

 

Physical

1,024 Kbytes

1,024 Kbytes

Available to user

960 Kbytes

960 Kbytes

Capacity

 

 

 

Unformatted

10,800 Mbytes 10,800 Mbytes

Formatted2

9,090 Mbytes

9,090 Mbytes

Recording

 

 

 

Cylinders (user accessible) 4,925

4,925

 

Read/Write heads

27

27

 

Modulation

RLL 1,7 code

RLL 1,7 code

SCSI rates

 

 

 

Max burst transfer

10 Mbytes/sec

20 Mbytes/sec

Seek time3

 

 

 

Average read

11 msec

11 msec

Average write

12 msec

12 msec

Disc rotation

 

 

 

RPM

5,400

5,400

 

Average latency

5.55 msec

5.55 msec

1Can also be operated according to SCSI-1 protocol.

2Standard factory units are formatted as follows:

512data bytes per sector

9spare sectors per cylinder

1cylinder at the inner track reserved for spares

3Not including on-board controller overhead.

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Seagate ST410800N/ND, ST410800W/WD manual Characteristics of ST410800 drives, Rpm