IBM 2025 Maintenance Manual page 31

Processing unit
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9
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B
c
D
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F
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8 9 A B C D E F
Read Card Image Buffer 1-Row Form Continued
~
Reader Buffer (Column Form)
I This area is shared by Reader Buffer (Column
4
1
Form) and Read Card Image Buffer 2 (Row Form).
I
The latter function is used during run in.
1
Read Card Image Buffer 2
I
I
(Row Form)
I
I
Module 4
T
0123456789ABC~EF
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1
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9
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B
c
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0
0
Read Card Image Buffer 2 (Row Form), (Cont.)
T
1
1
2
2
3
3
File Tables
4
4
5
5
1443 Print Translate Table
6
6
7
7
8
8
9
9
A
A
1403 Print Translate Table
B
B
c
c
D
D
Working Storage
E
E
F
F
l
Punch Col in Error-Log Out
Module 5
0
0
1
2
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8
9
A
B
c
D
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Console Printer Translate Table
Punch Translate Table
Punch Mask
Unassigned
Punch Translate Table
Module 6
(Module 8 if 24K)
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2
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A
B
c
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Console Printer Translate Table
Punch Data Buffer
(Column Binary Form)
Punch Mask
Working
1
Unassigned
Storage
Module 6
(Module
8 if
24K)
for 2540/1442
Applications
Figure 1-27.
1401/1460 Compatibility Features Aux. Storage Map (Part 2 of 2)
2025 FEMM (7/69) 1-21

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