Ultra Ata Hard Drives - Compaq EX Series Maintenance & Service Manual

6.2.2

Ultra ATA Hard Drives

Formatted Capacity
Physical (MB)
Logical (MB)
Compaq Spare Part Number
Logical Block Allocation
Total Sectors
User Addressable Sectors
Sectors per Track
Physical
Logical
Data Heads/Cylinder
Physical
Logical
Data Bytes/Sector
Sector Interleave
ECC Bytes
Encoding Method
Spin-Up Time (maximum)
Spin-Down Time (maximum)
Seek Times, Logical
(Busy to Seek Complete)
Track-to-Track
Average (Read)
Full Stroke
Average Latency
Data Transfer Rate
@Disk to Buffer
@Interface w/o IORDY
DMA
UDMA
RPM
10.0 GB
10242
10242
203139-001
16514064
19541088
648-396
63
2
16
512
1:1
24
24/26 EPRML
15 seconds
15 seconds
MAX TYP
4.75ms 2.1ms
11.5ms 10.9ms
27.0ms 25.0ms
5.56ms
308 Mbits/s (max.)
16.6 MB/s
16.6 MB/s
66.6 MB/s
5400+/-0.2%
Compaq Deskpro EX and Deskpro EXS Series of Personal Computers
15.0 GB
15364
15364
202903-001
16514064
29336832
648-396
63
3
16
512
1:1
24
24/26 EPRML
15 seconds
15 seconds
MAX TYP
4.75ms 2.1ms
11.5ms 10.9ms
27.0ms 25.0ms
5.56ms
308 Mbits/s (max.)
16.6 MB/s
16.6 MB/s
66.6 MB/s
5400+/-0.2%
6-7