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APPENDIX
C
MEGAFILE
SPECIFICATIONS
Because
Atari
MEGAFILE
hard
disk drives
may
use
parts
from
different
manufacturers,
individual drive specifications
may
vary.
The
list
below
is
a
summary
of
the
standard
MEGAFILE
specifications.
MEGAFILE
30
MEGAFILE
60
Formatted Storage
Capacity
32,747,520
bytes
64,616,448
bytes
Disk
Platters
2
3
Surfaces
4
6
Recording
Heads
4
6
Cylinders
615
809
Number
of
Tracks
2460
4854
Track
Density
tracks per inch
588
753
Data Format
RLL
RLL
Data
Transfer
Speed
megabits
per
second
7.5
7.5
Rotational
Speed
3600 rpm
±
1.0%
3600 rpm
±
0.5%
Latency
Time
8.33
ms
8.33
ms
Seek Time
(average)
65
ms
61
ms
Power
Supply
120V, 60
Hz (USA)
240V, 50
Hz
(UK)
Power Consumption
14.8
Watts
18.1
Watts
53
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