Compaq 470007-802 Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 81

Ultra ATA Hard Drives, Compaq Deskpro EN Series of Personal Computers

Get Compaq 470007-802 - Deskpro EN - 256 MB RAM PDF manuals and user guides View all Compaq 470007-802 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 81 highlights

6.2.2 Ultra ATA Hard Drives Formatted Capacity Physical (MB) Logical (MB) Compaq Spare Part Number Total Logical Sectors Logical Geometry Cylinders Heads Sectors Physical Geometry Cylinders Heads Sectors Data Bytes/Sector Sector Interleave ECC Bytes Recording Method–EPR4 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 PIO DMA UDMA RPM 10.0 GB 10005 Not available 135364-001 19541088 15.0 GB 15020 8455 192060-001 29336832 20.0 GB 20020 8455 180475-001 39102336 16383 16 63 16383 16 63 16383 16 63 15011 8 214-312 512 1:1 34 PRML TYP 18 sec MAX 31 sec Not available 24453 3 312-494 (20 zones) 19955 4 380-585 (10 zones) 512 512 1:1 1:1 18 bytes 18 ON-THE-FLY 33 bytes FIRMWARE 48/51 PRML 16/17 EPRML 9 seconds 7.92 seconds 10 seconds 6.96 seconds TYP 1.7ms 8.5 ms 15ms 5.56ms MAX 2.4ms 9.5ms 18ms MAX 5.0ms 15.0ms 25.0ms TYP 2.0ms 9.5ms 21.0ms 4.17ms MAX 0.5ms 8.0m s 16.4ms TYP 0.4ms 7.5ms 15.7ms 4.16ms 139.61 – 224.31 MB/s 189.0 - 304.3 Mbits/s 364Mbits/s Max 12.5 MB/s 16.6 MB/s 16.6 MB/s 16.6 MB/s 66.6 MB/s 7200+/-0.1% up to 16.6 MB/s up to 33.3 MB/s up to 66.6 MB/s 7200+/-0.1% 16.6 MB/s 66.6 MB/s 7200+/- 0.2% Compaq Deskpro EN Series of Personal Computers 6-7

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
Compaq Deskpro EN Series of Personal Computers
6-7
6.2.2
Ultra ATA Hard Drives
10.0 GB
15.0 GB
20.0 GB
Formatted Capacity
Physical (MB)
Logical (MB)
10005
Not available
15020
8455
20020
8455
Compaq Spare Part Number
135364-001
192060-001
180475-001
Total Logical Sectors
19541088
29336832
39102336
Logical Geometry
Cylinders
Heads
Sectors
16383
16
63
16383
16
63
16383
16
63
Physical Geometry
Cylinders
Heads
Sectors
15011
8
214-312
24453
3
312-494 (20 zones)
19955
4
380-585 (10 zones)
Data Bytes/Sector
512
512
512
Sector Interleave
1:1
1:1
1:1
ECC Bytes
34
18 bytes
ON-THE-FLY
33 bytes FIRMWARE
18
Recording Method±EPR4
PRML
48/51 PRML
16/17 EPRML
Spin-Up Time (maximum)
TYP
MAX
18 sec
31 sec
9 seconds
7.92 seconds
Spin-Down Time (maximum)
Not available
10 seconds
6.96 seconds
Seek Times, Logical
(Busy to Seek Complete)
Track-to-Track
Average (Read)
Full Stroke
TYP
MAX
1.7ms
2.4ms
8.5 ms
9.5ms
15ms
18ms
MAX
TYP
5.0ms
2.0ms
15.0ms
9.5ms
25.0ms
21.0ms
MAX
TYP
0.5ms
0.4ms
8.0m s
7.5ms
16.4ms
15.7ms
Average Latency
5.56ms
4.17ms
4.16ms
Data Transfer Rate
@Disk to Buffer
@Interface w/o IORDY
PIO
DMA
UDMA
139.61 ± 224.31 MB/s
16.6 MB/s
16.6 MB/s
66.6 MB/s
189.0 - 304.3 Mbits/s
12.5 MB/s
up to 16.6 MB/s
up to 33.3 MB/s
up to 66.6 MB/s
364Mbits/s Max
16.6 MB/s
16.6 MB/s
66.6 MB/s
RPM
7200+/-0.1%
7200+/-0.1%
7200+/- 0.2%