Specifications

Specifications 6-9
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Writer: David Calvert Saved by: The Integrity Group Saved date: 09/12/00 2:37 PM
Part Number: 128679-005 File name: Ch06
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 00000
Zones (each side) 11111
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