BS 5595-2:1981

National foreword
Cooperating organizations
Specification
1 Scope and field of application
2 References
Section one. General description
3 General description
Section two. Mechanical and physical characteristics
4 General requirements
5 Dimensional characteristics
6 Physical characteristics
Section three. Magnetic characteristics
7 Track and recording information - Data surfaces
8 Test conditions and equipment - Data surfaces
9 Functional testing - Data surfaces
10 Acceptance criteria for data surfaces
11 Servo surface
Section four. Pre-initialization
12 Data track pre-initialization
Annexes
A Air cleanliness class 100
B Measurement of track width
C ECC implementation
D General track format
Tables
1 Significance of two bit combinations in position B2,
    B1
2 Untitled
Figures
1 Track layout of an initialized data track
2 Structure of home address
3 Count of record 0
4 Data block of record 0
5 Untitled
6 Disk pack, exploded view
7 Part sectional view of disk pack with covers
8 Top cover/pack centreline relationship
9 Partial cross-section of disk pack
10 Part detail of spindle lock
11 Disk edge chamfer
12 Location of heads and surfaces
13 Write current waveform
14 AGC-amplifier characteristics
15 Track average amplitude
16 Modulation tests
17 Minus-even and plus-odd tracks
18 Servo track geometry
19 Servo head signal at servo tracking centreline
20 Servo head positioning
21 Relationship between tracks on servo and data
    surfaces
22 Index pattern
23 Timing, amplitude and noise constraints for servo
    signal
24 Noise constraints for index pattern
25 Particle size distribution curve of air cleanliness
    class 100
26 Track width diagram
27 Feedback connections of a 56-position shift register
28 }
29 }
30 }
31 } Untitled
32 }
33 }
34 }

General, physical and magnetic characteristics and pre-initialization for the physical interchange of 200 Mbytes magnetic twelve-disk packs for use in electronic data processing systems.