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Record Length
Track Capacity
Cylinder Capacity
(DL Bytes)
(Records)
(Bytes)
(Records)
(Bytes)
185
52
9,620
1,560
288,600
178
53
9,434
1,590
283,020
171
54
9,234
1,620
277,020
165
55
9,075
1,650
272,250
158
56
8,848
1,680
265,440
152
57
8,664
1,710
259,920
146
58
8,468
1,740
254,040
141
59
8,319
1,770
249,570
135
60
8,100
1,800
243,000
130
61
7,930
1,830
237,900
125
62
7,750
1,860
232,500
120
63
7,560
1,890
226,800
115
64
7,360
1,920
220,800
111
65
7,215
1,950
216,450
106
66
6,996
1,980
209,880
102
67
6,834
2,010
205,020
98
68
6,664
2,040
199,920
94
69
6,486
2,070
194,580
90
70
6,300
2,100
189,000
86
71
6,106
2, 130
183,180
82
72
5,904
2, 160
177,120
78
73
5,694
2, 190
170,820
75
74
5,550
2,220
166,500
71
75
5,325
2,250
159,750
68
76
5,168
2,280
155,040
65
77
5,005
2,310
155,150
61
78
4,758
2,340
142,740
58
79
4,582
2,370
137,460
55
80
4,400
2,400
132,000
52
81
4,212
2,430
126,360
49
82
4,018
2,460
120;540
46
83
3,818
2,490
114,540
44
84
3,696
2,520
110,880
41
85
3,485
2,550
104,550
38
86
3,268
2,580
98,040
36
87
3, 132
2,610
93,960
33
88
2,904
2,640
87,120
31
89
2,759
2,670
82,770
28
90
2,520
2,700
75,600
26
91
2,366
2,730
70,980
24
92
2,208
2,760
66,240
22
93
2,046
2,790
61,380
19
94
1,786
2,820
53,580
17
95
1,615
2,850
48,450
15
96
1,440
2,880
43,200
13
97
1,261
2,910
37,830
11
98
1,078
2,940
32,340
9
99
851
2,970
26,730
7
100
700
3,000
21,000
5
101
505
3,030
15, 150
3
102
306
3,060
9, 180
1
103
103
3,090
3,090
Figure 4. Record Capacities, Without Keys (Part 2 of 2)
12 IBM 3350 Reference Manual
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