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Specifications
Recording Specifications
HP Double Density Format
Encoding:
Rotational Speed:
Bit Density
@
360 RPM:
Track Density:
Tracks Per Surface:
Surfaces Per Disc:
IBM Single Density Format
Encoding:
Rotational Speed:
Bit Density@ 360 RPM:
Track Density:
Tracks Per Surface:
Surfaces Per Disc:
Capacity
HP Double Density Format
Bytes/ Sector:
Sectors/Track:
Tracks:
Bytes/ Disc (Formatted):
IBM Single Density Format
Bytes/Sector:
Sectors
IT
rack:
Tracks:
Bytes
I
Disc (Formatted):
Modified modified frequency modulated
360 RPM, ±2.0 ( ± 7.2 RPM)
Track
No.
0
38
76
• BPI - Bits Per Inch
Head 0
Single/Double-
Sided
3651 BPI*
4702
6536
48 tracks per inch
77
2
Frequency modulated
360 RPM, ± 1 ( ±3.6 RPM)
3268 BPI, track 76, head 0
Head 1
Double-Sided
Only
3736 BPI
4845
6816
48 tracks per inch (approx. 19 tracks per cm)
77
1
256
30
154 on two surfaces
1.18 megabytes ( 154 tracks}
128
26
77 (head 0 only)
256 kilobytes
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