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-I,
,
Figure 3-3. Formatted Physical Sector Allocation.
INDEX/SECTOR
I
, - - - - - - - - - -
I
Wr i
t
e
Header
Header
Header
f;1eQder
I
Sp lice
PLO Sync
Sync
Addr ess
CRC
Pad
I
Header
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8
Bytes
2 Bytes
Pattern
I
2 Bytes
16
bytes
1
Byte
4 Bytes
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a
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1
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(Postamble)
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y eS
16
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FOUR BYTE
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BYTE
BYTE
BYTE
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Bytes 2 Bytes
9
Bytes
(E2)
Bytes
(0)
-
.,
(NUMBERS IN PARENTHESIS REPRESENT
PATTERN-0~~iiEN
ON DISK.)
HEADER ADDRESS FORMAT:
#
1:
LOG I CAL TRACK ADDRESS MS.B
#2: LOGICAL TRACK ADDRESS
LSB--~--··-·
#3: LOGICAL SECTOR ADDRESS _.
_.
. .•
#4: SPARE SECT()R FLAG (FFH=UNASS-IGNED)-"
Product~eatur.es·:i
3·19
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