Quantum Hard
Drives - 3.5" |
|
4.3-GB |
6.0-GB |
8.0-GB |
13-GB |
Compaq Part Number |
|
|
134127-001 |
|
Formatted Capacity |
|
|
|
|
Physical (MB)
Logical (MB) |
4311.9
MB
4311.9 MB |
6418
MB
6418 MB |
8640
MB
8455 MB |
13020
13020 |
Drive Type |
65 |
65 |
65 |
65 |
Data Transfer Rate |
|
|
|
|
Head (Mbits/sec)
Zones 1-14
Zone 15
Interface (Mbytes/sec) |
121.9
194.9
66 |
168.16
101.05
33.3 |
121.9
194.9
66 |
121.9
194.9
66 |
Typical Seek Time
(including settling) |
|
|
|
|
Track to Track (ms)
Average (ms)
Full Stroke (ms) |
1.5 -
2.0
11 - 13
18 - 22 |
2.0 -
4.0
10.5 - 14
22 - 30 |
1.5 -
2.0
11 - 13
18 - 22 |
1.5 -
2.0
11 - 13
18 - 22 |
Disk Rotational Speed (RPM) |
5400 |
4000 |
5400 |
5400 |
Data Cylinders |
|
|
|
|
Physical
Logical
|
12515
8912 |
15449
13266 |
12515
16384 |
12515
16383 |
Data Heads/ Cylinder |
|
|
|
|
Physical
Logical
|
4
15 |
2
15 |
4
16 |
6
16 |
Sectors per Track |
|
|
|
|
Physical
Logical
|
250-403
(15 zones)
63 |
289-483
(15 zones)
63 |
250-403
(15 zones)
63 |
250-403
(15 zones)
63 |
Seagate Hard Drives -
3.5" |
|
4.3-GB |
6.0-GB |
8.0-GB |
10.0-GB |
Compaq Part Number |
128474-001 |
134126-001 |
|
|
Formatted Capacity |
|
|
|
|
Physical (MB)
Logical (MB) |
4311
MB
4311 MB |
6418
MB
6418 MB |
8455
8455 |
10,000
MB
10,000 MB |
Drive Type |
65 |
65 |
65 |
65 |
Transfer Rate |
|
|
|
|
Disk to Buffer (Mbits/sec)
Interface (Mbytes/sec)
DMA
UDMA |
171
16.6
16.6
33.3 |
???
105.15-222.87
16.7
66.6 |
171
16.6
16.6
33.3 |
171
16.6
16.6
33.3 |
Typical Seek Time
(including settling) |
|
|
|
|
Single Track (ms)
Average (ms)
Full Stroke (ms) |
1.5 -
3.0
9 - 12
18 - 20 |
2.0 -
2.4
10.5 - 11.5
24 - 26 |
1.5 -
3.0
9 - 12
18 - 20 |
1.5 -
3.0
9 - 12
18 - 20 |
Disk Rotational Speed (RPM) |
5400 |
5400 |
5400 |
5400 |
Data Cylinders |
|
|
|
|
Physical
Logical
|
12561
89120 |
12210
13328 |
12561
16383 |
12561
16383 |
Data Heads/ Cylinder |
|
|
|
|
Physical
Logical
|
2
15 |
3
15 |
4
16 |
6
16 |
Sectors per Track |
|
|
|
|
Physical
Logical
|
244-416
(10 zones)
63 |
244-437
63 |
244-416
(10 zones)
63 |
244-416
(10 zones)
63 |
|
|
Western Digital Hard Drives |
|
15.0-GB |
Compaq Part Number |
|
Formatted Capacity |
|
Physical (MB)
Logical (MB) |
|
Drive Type |
65 |
Transfer Rate |
|
Disk to Buffer (Mbits/sec)
Interface (Mbytes/sec)
DMA
UDMA |
139.61-224.31
16.7
66.6 |
Typical Seek Time
(including settling) |
|
Single Track (ms)
Average (ms)
Full Stroke (ms) |
1.7-2.4
8.5-9.5
15-18 |
Disk Rotational Speed (RPM) |
5400 |
Data Cylinders |
|
Physical
Logical
|
15011
16383 |
Data Heads |
|
Physical
Logical
|
8
16 |
Sectors per Track |
|
Physical
Logical
|
214-312
63 |