HP 9845B/C CE Service Manual

ix
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/Track:
Tracks:
Bytes/Disc (Formatted):
Modified modified frequency modulated
360 RPM, ±2.0% (±7.2 RPM)
Track
No.
o
38
76
Head 0
Single/Double-
Sided
3651 FRPI*
4702
6536
• FRPI - Flux Reversals Per Inch
48 tracks per inch
77
2
Frequency modulated
360 RPM, ±1 % (±3.6 RPM)
6536 FRPI, track 76, head 0
Head 1
Double-Sided
Only
3736 FRPI
4845
6816
48 tracks per inch (approx. 19 tracks percm)
77
1
256
30
154 on two surfaces
1.18 megabytes (154 tracks)
128
26
77 (head 0 only)
256 kilobytes

HP 9845B/C CE Specifications

General

Brand	HP
Model	9845B/C CE
Category	Storage
Language	English