Compaq Armada V300 Compaq Armada E500 and Armada V300 Series Maintenance and S - Page 138

Table 6-10, LS-120 SuperDisk Drive, Sector size, bytes, Sectors, Magnetic tracks, surface

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Formatted capacity (bytes) Sector size (bytes) Sectors Magnetic tracks surface Optical servo tracks/surface Sectors/track Sector interleave Spare sectors Zones (each side) Average random seek Track-to-track seek Max single seek Average latency Table 6-10 LS-120 SuperDisk Drive 1.68 MB 1.44 MB 1.2 MB DMF 1.2 MB 720 KB 1,720,320 1,474,560 1,261,568 1,228,800 737,280 512 512 1,024 512 512 3,360 80 2,880 80 1,232 77 2,400 80 1,440 80 N/A N/A N/A N/A N/A 21 2:1 0 1 70 ms 18 1:1 0 1 70 ms 8 1:1 0 1 70 ms 15 1:1 0 1 70 ms 9 1:1 0 1 70 ms 25 ms 25 ms 25 ms 25 ms 25 ms 170 ms 170 ms 170 ms 170 ms 170 ms 41.67 ms 41.67 ms 41.67 ms 41.67 ms 41.67 ms Continued Specifications 6-9

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Specifications
6
-
9
Table 6-10
LS-120 SuperDisk Drive
1.68 MB
DMF
1.44 MB
1.2 MB
1.2 MB
720 KB
Formatted
capacity (bytes)
1,720,320
1,474,560
1,261,568
1,228,800
737,280
Sector size
(bytes)
512
512
1,024
512
512
Sectors
3,360
2,880
1,232
2,400
1,440
Magnetic tracks
surface
80
80
77
80
80
Optical servo
tracks/surface
N/A
N/A
N/A
N/A
N/A
Sectors/track
21
18
8
15
9
Sector interleave
2:1
1:1
1:1
1:1
1:1
Spare sectors
0
0
0
0
0
Zones (each side)
1
1
1
1
1
Average
random seek
70 ms
70 ms
70 ms
70 ms
70 ms
Track-to-track
seek
25 ms
25 ms
25 ms
25 ms
25 ms
Max single seek
170 ms
170 ms
170 ms
170 ms
170 ms
Average latency
41.67 ms
41.67 ms
41.67 ms
41.67 ms
41.67 ms
Continued