Compaq AP500 manual GB Wide-Ultra Scsi Hard Drive, 14Physical and Operating Specifications

Models: AP500

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7-14Physical and Operating Specifications

Hard Drives

Table 7-11

4.3-GB Wide-Ultra SCSI Hard Drive

 

 

7200 rpm drive

 

10K rpm drive

Capacity

4.3 GB

4.3 GB

 

 

 

 

 

Transfer rate

 

 

 

 

 

 

 

Media

13.56 to 21.58 MB/s

19 to 28.9 MB/s

 

 

 

Asynchronous

5.0 MB/s

10.0 MB/s

 

 

 

Synchronous

Up to 40.0 MB/s

Up to 40.0 MB/s

 

 

 

 

 

Seek time (typical)

 

 

 

 

 

 

 

Single track

2.0 ms (read)

0.8 ms (read)

 

 

 

Average

7.5 ms (read)

5.4 ms (read)

 

 

 

Full stroke

15.0 ms (read)

<12.2 ms (read)

 

 

 

Disk rotation speed

7200 rpm

10K rpm

 

 

 

Cylinders

8420

6962

 

 

 

Data heads/cylinder

5

6

 

 

 

Sectors/track

165-264 (8 zones)

167-254 (11 zones)

 

 

 

Buffer size

384 KB

1024 KB

 

 

 

 

 

NOTE: Drive performance may vary slightly depending upon the vendor.

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Compaq AP500 manual GB Wide-Ultra Scsi Hard Drive, 14Physical and Operating Specifications, Rpm drive 10K rpm drive