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, _ _rL__
FIGURIE 20
TRACK FORMAl· AS SHIPPED
INDEX
----fl
~
I
I
I
Repeated 32 ,ti mes (314 Bytes)
I
~
I
Gap 1
ID Field - - -
Gap 2 - - - - - Data
Fie~d
SYNC
e S C C
16X 4E 13XOO A 11 FE
I
r
I
~
I
~
I
~
I
~
3xOO 113xoo A 11 F81
256 Data
~
'--r
J
lOAM
Data AM
GaIP 3
I
~I~
C C
3XOO f15X4E
Gap4
352X
4E
Nominal
-0
l>
C)
m
c.n
WRITE
UPDATE
NOTES:
1.
Nominal Track Capacity = 10416 Bytes .
2.
Total Data Bytes/Track = 256 x
3~~
= 8,192
lL--'
_
3.
Sector interleave factor is 4. SequE!ntiallD Fields are sector numbered 0, B,
16,24, 1,9,17,25,2, 10, 18, 26, ...etc.
4. Data Fields contain the bit pattern 0000 as shipped
5.
CRC Fire Code =X16+X12+X5+1
6.
Bit 7 of Head Byte ID Field equals 1 in a defective sector (Cylinder
0
is orror free)
7.
Bit 5 of Head Byte reserved for nl.lmberingcylinders greate," than 256
8.
Bit 6 of Head Byte reserved for nl.lmbering cylinders greater than 512
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