Compaq AP500 manual GB Ultra ATA Hard Drive 7200 RPM, Drive Configuration Drive Performance

Models: AP500

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7-17

Table 7-14

10-GB Ultra ATA Hard Drive (7200 RPM)

Drive Configuration

Drive Performance

User capacity

 

10.0-GB

 

 

 

Data cylinders

 

 

Physical

13097

Logical

16383

Data heads

 

 

Physical

7

Logical

16

 

 

 

Sectors per track

 

 

Physical (ID or OD)

 

165 to 264

Logical

63

Max LBA

19,541,087

 

 

 

Total number of LBAs

19,541,088

 

 

 

Data bytes per sector

512

Sector interleave

1:1

Number of ECC bytes

34

returned on RL/WL

 

 

command

 

 

Recording method

 

16/17 PRML

Spin-up time (power on to not busy)

Spin-down time

Seek times (busy to seek complete) Single track read (ms)

Average read (ms) Full stroke read (ms)

Average latency, maximum

Data transfer rate

Disk to buffer (ID or OD) Interface:

PIO mode 4, DMA mode 2

Ultra DMA mode 2

RPM

Typ. = 18 seconds Max = 31 seconds

Typ. = N/A

Max = 20 seconds

Typ. = 1.7; Max = 2.4 Typ. = 8.5; Max = 9.5 Typ. = 15.0; Max = 18.0

4.17ms

92.2to 163.7 MB/s

16.7MB/s

33.3MB/s

7200 + 0.1 %

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

Compaq Professional Workstation AP500 Maintenance and Service Guide

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Compaq AP500 manual GB Ultra ATA Hard Drive 7200 RPM, Drive Configuration Drive Performance