NEC D2246 Maintenance Manual page 31

8-inch winchester disk drive
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Table 2-2 Sector Select Switch Settings (cont'd)
(Segment 1
=
1)
SECTOR SWITCH SETTING
1/2/3/4/5/6/7181
l............-+-t-t---1r--t-+--...
=
1
,
,
,
,
SECTORS
2625242322212°
PER
0111101
0111110
0111111
1000000
100 000 1
1 0 0 0 0 1 0
1000011
1 000 100
1 000 101
1000110
1000111
100 100 0
100 1 001
100 1 0 1 0
1001011
1001100
1001101
1001110
100 1 1 1 1
1 0 1 000 0
1 0 1 000 1
1 0 100 1 0
1010011
1 0 1 0 100
1 0 1 0 101
1010110
1 0 101 1 1
1011000
1011001
1011010
TRACK
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
2-14
i
TR/\CK
=
20,480 BY
! t:~
BYTES
PER
SECTOR
336
331
326
320
316
311
306
302
297
293
289
285
281
277
274
270
266
263
260
256
253
250
247
244
241
239
236
233
231
228
LAST
SECTOR
SHORTER
-16
-42
-58
o
-60
-46
-22
-56
-13
-30
-39
-40
-33
-18
-70
-40
-2
-34
-60
o
-13
-20
-21
-16
-5
-74
-52
-24
-79
-40

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