Figure 4.3.6 Zone Allocation On Servo Surface - Fujitsu M2361A Customer Engineering Manual

I
I I I
I
875
I
I I
I
ot
874
I I I
I
I I I I
I I I I
I I I
I
844
I I
I I
EI
I I I
L __
843
I I
E2
I I I
842
I
I I
I I
I
I I
I
-I
I
I
I
II L
E2
-2
II -
01
I I
-3
I I
I I
I I
-17
I I
E2
IL
-18
01
-19
I
-73
I
01
L _____
-74
lone
OUlc:r
Il u ard
band
Servo
lone
Inner
guard
band I
Inner
guard
band 2
Inde, pul~
Vo;a~e
pjlltern
I
Is lo(;atc:d
10
the outermost area and
IS
used
1001
t
to ddect abnormal condlllOns such as
I
£no.m.,
~,,~.,
","on.
~ ,/ ' I
h ."d
to poulton
11><
mo' ; . . . . . . . .
V
.~
0."
It,,' ,
8.,
01010
01110
•
L
Is
used to position the head on
cylinder O.
Is used by the head to perform the CSS
operation. This zone is used also to switch the
carriage direction during the rezero operation.
The area Identifying pattern inserted every 64
servo bytes. "I" indicates that the index
pulse is not present.
Figure 4.3.6 Zone allocation on servo surface
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