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LIM-DOW
Lotus Intel Microsoft - Drive Optical WORM
MO
Multifunctional Optical that will rewrite to large optical discs.
WORM
Write Once Read Many optical disc. Some drive manufacturers offer the feature of wiping a WORM disc and rewriting to the disc, other OEMs can rewrite to a WORM disc using MO drives.

WORM disc standards and data transfer rate table from the Computer Technology Review magazine dated May 1998.

WORM Specs & Data Transfer
SPECIFICATION
WORM
MO
LIM-DOW
Average Latency
8.3 msec
8.3 msec
8.3 msec
Seek Time (single track)
8.0 msec
2.0 msec
2.0 msec
Seek Time (average)
150 msec
25 msec
25 msec
Seek Time (full stroke)
200 msec
45 msec
45 msec
Loading Time
6 sec
5.5 sec
5.5 sec
Unloading Time
3.5 sec
3.5 sec
3.5 sec
Spinup Time
2.8 sec
2.5 sec
2.5 sec
Spindown Time
2.2 sec
2.2 sec
2.2 sec
DATA TRANSFER RATES
Sustained
1 MB/sec
2 - 4 MB/sec
2 - 4 MB/sec
Burst
3 MB/sec
10 MB/sec
10 MB/sec

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Date of Last Revision: 21 December 2001
Extracted from: Computer Technology Review May 1998