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7-18 Physical and Operating Specifications
Table 7-15
18-GB Wide Ultra2 Hard Drive (10,000 RPM)
Performance Criteria
Value
Capacity 18.2 GB
Set Capacity 18209 MB
Data Cylinders 6962
Data Heads/Cylinders 24
Sectors/Track 167-254 (11 Zones)
Data Bytes/Sector 512
Buffer Size 1024 kB
Sector Interleave 1:1
Maximum Time From
Power On to Selection
Reset to Selection
3 seconds (from power applied)
250 ms (from power applied)
Seek Times, Typical
Track to Track
Average
Full Stroke
READWRITE
1.0 ms1.3 ms
6.2 ms6.8 ms
<18 ms<20 ms
Disk Rotation Speed, Nominal 10025 rpm
Average Latency, Maximum 2.99 ms
Max. Data Transfer Rate
To/From Disc.
@ Interface
Asynchronous
Synchronous
19 – 28.9 MB/s
10 MB/s
Up to 40 MB/s
Monitor and Performance Limits
Spin-Up
Test 1, Track Seek
Test 2, 1/3 rd Stroke Seek
Test 3, Full Seek
Reallocated Sectors
45.3 sec
0.9 ms
8.8 ms
15.6 ms
7200
NOTE: Drive performance may vary slightly depending upon the vendor.