Compaq AP500 GB Wide Ultra2 Hard Drive 10,000 RPM, 18Physical and Operating Specifications, Value

7-18Physical and Operating Specifications

Table 7-15

18-GB Wide Ultra2 Hard Drive (10,000 RPM)

Performance Criteria

Capacity

Set Capacity

Data Cylinders

Data Heads/Cylinders

Sectors/Track

Data Bytes/Sector

Buffer Size

Sector Interleave

Maximum Time From

Power On to Selection

Reset to Selection

Seek Times, Typical

Track to Track

Average

Full Stroke

Disk Rotation Speed, Nominal

Average Latency, Maximum

Max. Data Transfer Rate

To/From Disc.

@Interface Asynchronous Synchronous

Monitor and Performance Limits

Spin-Up

Test 1, Track Seek

Test 2, 1/3 rd Stroke Seek

Test 3, Full Seek

Reallocated Sectors

Value

18.2GB

18209 MB

6962

24

167-254 (11 Zones)

512

1024 kB 1:1

3 seconds (from power applied)

250 ms (from power applied)

READWRITE

1.0ms1.3 ms

6.2ms6.8 ms <18 ms<20 ms

10025 rpm

2.99 ms

19 – 28.9 MB/s

10 MB/s

Up to 40 MB/s

45.3sec

0.9ms

8.8ms

15.6ms

7200

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