NEC D2246 Maintenance Manual page 30

8-inch winchester disk drive
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Table 2-2 Sector Select Switch Settings (cont'd)
(Segment 1
=
1)
SECTOR SWITCH SETTING
/1/213141516/718/
I~+-+-+-+-+-~
=
1
,
SECTORS
26252423222'2°
PER
TRACK
0011111
31
o
1 0 000 0
32
o
1 0 0 0 0 1
33
o
1 000 1 0
34
o
1 0 0 0 1 1
35
o
1 0 0 1 0 0
36
o
1 0 0 1 0 1
37
o
1 0 0 1 1 0
38
o
1 0 0 1 1 1
39
o
1 0 1 000
40
010 100 1
0101010
0101011
0101100
0101101
I"
0101110
j
010 1 111
I
0110000
II',
0110001
0110010
0110011
0110100
0110101
I
0110110
I,
0110111
0111000
0111001
0111010
0111011
0111100
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
2-13
TRJ-\CK
=
20,480 BYTES
BYTES
PER
SECTOR
661
640
621
603
586
569
554
539
526
512
500
488
477
466
456
446
436
427
418
410
402
394
387
380
373
366
360
354
348
342
LAST
SECTOR
SHORTER
-11
o
-13
-22
-30
-4
-18
-2
-34
o
-20
-16
-31
-24
-40
-36
-12
-16
-2
-20
-16
-8
-31
-40
-35
-16
-40
-52
-52
-40
I
I
I
I
i
I
I
I
,
t
i
~
i

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