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A-4 Drive Specifications
ISO 9660 Disc Data Capacity (74 Minute CD)
*1 MB is defined as 10
6
bytes
UDF 1.5 Disc Data Capacity (74 Minute CD)
493 MB for CD-RW
618 MB for CD-R
Dimensions
Height: 2.6" (66 mm)
Width: 7.1" (180 mm)
Depth: 11.2" (284 mm)
Weight (net): 2,157 grams (~4.7 lbs)
Performance
Buffer size: 750 kB
Average access time (1/3 stroke): <325 ms
Data transfer rate (recording):
150 KB/s sustained (1x speed)
300 KB/s sustained (2x speed)
Data transfer rate (reading):
150 KB/s (1x speed)
300 KB/s (2x speed)
up to 900 KB/s (6x speed)
Number
of
sessions
Size required for header
information
Size available for data/
per session
1 approximately 23 MB* 627 MB one session
5 approximately 79 MB
(approx. 23 for the first,
14 MB each of the rest)
114 MB each session
10 approximately 149 MB
(approx. 23 for the first,
14 MB each of the rest)
50 MB each session
30 approximately 430 MB
(approx. 23 for the first,
14 MB each of the rest)
7.4 MB each session