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Bytes Per Record
Records Per
Without Keys
With Keys (KL+ DL)
3336
Minimum
96
92
89
85
81
78
74
71
68
65
62
59
56
54
51
48
46
43
41
39
36
34
32
30
28
26
24
22
20
19
17
15
13
12
10
9
7
6
4
3
1
Maximum
Minimum
Maximum
Track
Cylinder
Model 1
100
40
44
56
1064
429856
95
36
39
57
1083
437532
91
33
35
58
1102
445208
88
29
32
59
1121
452884
84
25
28
60
1140
460560
80
22
24
61
1159
468236
77
18
21
62
1178
475912
73
15
17
63
1197
483588
70
12
14
64
1216
491264
67
9
11
65
1235
498940
64
6
8
66
1254
506616
61
3
5
67
1273
514292
58
2
2
68
1292
521968
55
0
0
69
1311
529644
53
0
0
70
1330
537320
50
0
0
71
1349
544996
47
0
0
72
1368
552672
45
0
0
73
1387
560348
42
0
0
74
1406
568024
40
0
0
75
1425
575700
38
0
0
76
1444
583376
35
0
0
77
1463
591052
33
0
0
78
1482
598728
31
0
0
79
1501
606404
29
0
0
80
1520
614080
27
0
0
81
1539
621756
25
0
0
82
1558
629432
23
0
0
83
1577
637108
21
0
0
84
1596
644784
19
0
0
85
1615
652460
18
0
0
86
1634
660136
16
0
0
87
1653
667812
14
0
0
88
1672
675488
12
0
0
89
1691
683164
11
0
0
90
1710
690840
9
0
0
91
1729
698516
8
0
0
92
1748
706192
6
0
0
93
1767
713868
5
0
0
94
1786
721544
3
0
0
95
1805
729220
2
0
0
96
1824
736896
Track Capacity
The number of records that can be recorded on a track depends on the record size.
The following equation is used to determine the number of equal length records
per track. Home address and standard RO space are accounted for.
where
Number of equal length records per track =
13, 165
135 + C +KL+ DL
C (constant) = 0 if KL= 0
56ifKL~
0
KL = key length
DL =data length
(track capacity)
(bytes per record)
3336
Model 11
859712
875064
890416
905768
921120
936472
951824
967176
982528
997880
1013232
1028584
1043936
1059288
1074640
1089992
1105344
1120696
1136048
1151400
1166752
1182104
1197456
1212808
1228160
1243512
1258864
1274216
1289568
1304920
1320272
1335624
1350976
1366328
1381680
1397032
1412384
1427736
1443088
1458440
1473792
Appendix 31
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