Ultra Ata Hard Drives - Compaq Deskpro EX User 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 15.0 GB
10242 15364
10242 15364
203139-001 202903-001
16514064 16514064
19541088 29336832
648-396 648-396
63 63
2 3
16 16
512 512
1:1 1:1
24 24
24/26 EPRML 24/26 EPRML
15 seconds 15 seconds
15 seconds 15 seconds
MAX TYP MAX
4.75ms 2.1ms 4.75ms
11.5ms 10.9ms 11.5ms
27.0ms 25.0ms 27.0ms
5.56ms 5.56ms
308 Mbits/s (max.) 308 Mbits/s (max.)
16.6 MB/s 16.6 MB/s
16.6 MB/s 16.6 MB/s
66.6 MB/s 66.6 MB/s
5400+/-0.2% 5400+/-0.2%
Compaq Deskpro EX Series of Personal Computers 6-7
TYP
2.1ms
10.9ms
25.0ms