IBM 3270 Manual page 258

Information display system; control unit
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3274 Model 51C/SNA
TypeC
TypeD
3279 Color Convergence
4,296
5
1,198
5
The following are available with Ccvifiguration Support C only
Structured Field and Attribute Processing (SFAP)
(EBCDIC only)
4,950
950
Programmed Symbols (PS)
2,700
190
Decompression of PS Load Data
900
0
Extended Attribute Terminals (add 256 for each terminal)
0
#x256
(3278/3287'"'.#3610/3279 Model 28 or 38)
Loop Attachment (EBCDIC only)
3,200
850
X .21 Switched Network Operation
6,500
2,100
Alert
2,544
4,224
RTM
4,488
1,862
1
Configuration Support A consideration only: If all three keyboard types (Typewriter, Data Entry,
and Data Entry Keypunch Layout) are required on djsplay stations attached to the 3274, add 1000
to the Type D storage requirements in addition to that listed.
2
Nr' customizing option or additional control storage is required to support the 3275/3277·
compatible character set for the Operator Identification Card Reader (4600) on 3277 Display
Stations (Category B terminals) attached to a 3271.
3
Add the indicated amount for each keyboard type to be used.
4
The SFAP function is also required when the SCS Support for SFAP feature (#9661)
is to be used on the 3287 Printer Model 1, 1C, 2, or 2C.
5
U.S.A. and Canada only. If all the 3279s attached to the controller have model numbers
ending in -1 (for example, S2A-1 ), this amount of control storage is not required.
Figure 1-5 (Part 2 of 2). 3274 Model 51C/SNA Control Storage
Requirements
Appendix I. 3274 Control Storage Requirements ·
I-11

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