IBM 1130 User Manual page 653

3000
-
2500 I-
2000
......
1500
-
1000
-
500
-
o
Figure 90. 1.
Step 1
Overlay Level 0
2970
Overlay
3
Disk
I/O
(700)
Overlay
2
Non-Disk
I/O
(1750)
Overlay
1
Arith.
(520)
Step 2
Overlay Level 1
Overlay
2450
3
Disk
I/O
(700)
- - -
Overlay
2
Unused
Non-Disk
I/O
(1750)
Overlay
1
Arith.
(520)
r--
Unused
Overlay
1
Arith.
(520)
Step 3
Overlay Level 2
1750
--,
I
Overlay
I
2
Unused
I
I
Non-Disk
I
I/O
I
(1750)
I
I
Overlay
3
Disk
I/O
(700)
Section
Subsections
Page
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