1130 Facts folder: components

Page 2

1131 Central Processing Unit, Model 1

1131 Central Processing Unit, Model 2

1131 Central Processing Unit, Model 3

1131 Central Processing Unit, Model 4

1131 Central Processing Unit, Model 5

IBM 1130 Computing System — Models Available

Storage Size Storage Speed

3.6-
microsec. storage cycle
no internal disk

3.6-
microsec. storage cycle
plus disks
3.6-
microsec. storage cycle
(70% performance) single disk
2.2-
microsec. storage cycle
plus disks
2.2-
microsec. storage cycle
(no internal disk)
4096 words Model 1A Model 2A Model 4A --- ---
8192 words Model 1B Model 2B Model 4B Model 3B Model 5B
16,384 words Model 1C Model 2C --- Model 3C Model 5C
32,768 words Model 1D Model 2D --- Model 3D Model 5D


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