Contents
xvi
C141-E133-02EN
Illustrations
Figures
Figure 1.1
FC model outer view
.....................................................................
1-5
Figure 1.2
Disk/head configuration
................................................................
1-6
Figure 1.3
Example of FC-AL system configuration
.....................................
1-7
Figure 3.1
Cylinder configuration
..................................................................
3-2
Figure 3.2
Spare area in cell
...........................................................................
3-5
Figure 3.3
Alternate cylinder
..........................................................................
3-5
Figure 3.4
Track format
..................................................................................
3-6
Figure 3.5
Track skew/cylinder skew
.............................................................
3-7
Figure 3.6
Sector format
.................................................................................
3-8
Figure 3.7
Alternate block allocation by FORMAT UNIT command
.........
3-13
Figure 3.8
Alternate block allocation by REASSIGN
BLOCKS command
....................................................................
3-14
Figure 4.1
External dimensions
......................................................................
4-2
Figure 4.2
IDD orientations
............................................................................
4-3
Figure 4.3
Mounting frame structure
..............................................................
4-4
Figure 4.4
Limitation of side-mounting
..........................................................
4-4
Figure 4.5
Surface temperature measurement points
.....................................
4-5
Figure 4.6
Service clearance area
...................................................................
4-6
Figure 4.7
Current waveform (+12 VDC)
......................................................
4-7
Figure 4.8
AC noise filter (recommended)
.....................................................
4-8
Figure 4.9
Connector location
........................................................................
4-9
Figure 4.10
SCA2 type connector
..................................................................
4-10
Figure 5.1
Checking the IDD connection (A)
................................................
5-8
Figure 5.2
Checking the IDD connection (B)
.................................................
5-9
Figure 6.1
Revision label (example)
...............................................................
6-9
Figure 6.2
Indicating revision numbers
........................................................
6-10
Figure 6.3
Test flowchart
.............................................................................
6-11
Figure 7.1
Format of extended sense data
......................................................
7-2
Figure 8.1
Circuit configuration
.....................................................................
8-4
Figure 8.2
IDD operation sequence at power-on
............................................
8-5
Figure 8.3
Block diagram of read-write circuit
..............................................
8-8
Figure 8.4
Block diagram of servo control circuit
........................................
8-10
Figure 8.5
Position of servo track
.................................................................
8-12
Figure 8.6
Servo frame
.................................................................................
8-12
Figure A.1
Locations of connector
.................................................................
A-2