Cheetah 18 Installation Guide, Rev. A

17

Characteristics

ST118202LW/LC

Interface

Ultra2 SCSI1

Capacity

 

Unformatted (Gbytes)

22.54

Formatted (Gbytes)2

18.21

Recording

 

Cylinders (user)

6,962

Read/write data heads

24

Avg bytes/track

104,840-159,008

Access time3

 

Average read (msec)

5.9

Average write (msec)

6.7

Disc rotation

 

RPM

10,025

Average latency (msec)

2.99

Synchronous data transfer rate

 

Maximum instantaneous (Mbytes/sec)

40 (SE mode)

 

80 (LVD mode)

Asynchronous data transfer rate

 

Maximum instantaneous (2 bytes wide)

10.0

(Mbytes/sec)

 

Multi-segmented cache (kbytes)

1,024 standard

 

4,096 optional

1.Also operates per SCSI-1/SCSI-2/SCSI-3 protocols.

2.The specified formatted capacities are calculated with the standard OEM sector size (512 bytes per logical block) and sparing.

3.Includes on-board controller overhead.

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Seagate manual Characteristics ST118202LW/LC