NEC D2246 Maintenance Manual page 27

8-inch winchester disk drive
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Table 2-1 Sector Select Switch Settings (cont'd)
(Segment 1
=
0)
SECTOR SWITCH SETTING
112b14[sf6b181
I~+-+-+--+-+----.
=
0
,
,
,
,
SECTORS
2625242322212°
PER
o
1 1 1 101
0111110
0111111
1000000
1000001
1 000 0 1 0
1000011
1000100
1 000 101
1000110
1000111
1001000
100 100 1
1001010
1001011
!
1001100
I
1001101
'
1001110
1001111
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
1010111
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
2-10
TRACK
=
20,480 BYTES
BYTES
PER
SECTOR
,335
330
325
320
315
310
305
301
296
292
288
284
280
276
273
269
265
262
259
256
252
249
246
243
240
238
235
232
230
227
EXTRA
SECTOR
BYTES
45
20
5
o
5
20
45
12
56
40
32
32
40
56
5
36
75
44
19
o
68
62
62
68
80
12
35
64
10
50

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