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DISK PACK
83318200
A
SERVO SURFACE
II PER DISK
P~K)
DATA SURFACES
(19 PER DISK PACK,
9 TOP AND 10
BOTTOM SURFACES)
DISK
SURFACE
Ht!1oIU .....
IllUMlER
T
""
GUAAO
"15K
"-0
~
[I]
EI3
03
4
[[]
5
6
00
7
a
[j[]
9
10
rn
II
12
DE
13
14
BE
15
13
16
BE
17
,e
iI
BE
19
rilMall:il
A
CYLINDER
PULSES
HEAD LOADING ZONE
. /
OUTER GUARD BAND (REV EOT)
/ ' / 2 4 TRACKS OF POSITIVE OJ 8fTS
/
SERVO TRACKS
~
IIINER GUARD BAND (FWD
E~T)
T
~ /~
/36TRACKS
OF NEGATIVE
OI
BITS
EVEN
ODD
DATA
TRACK
I
DATA
TRACK
2
1Me7
Figure 3-28.
Disk Surface Layout
3-65
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