IBM 1620 Project Journal

Gate A1 SMS Cards




A B C D E F G H J K
1 DFE DEQ AFR MX DFE AHK AFR DEW WJ WJ
2
CAB CEYB AHK VM AHK AHK CAB WJ DFC
3
DAX AHK RE VM TAH DAW CEYB CAB DFB
4
AHK
MX MX AFR CD AFR CAB DEW
5 DFB
TAG DBU DFE CAB AHK CD YJA CD
6

CD DBU
MX AHK DFE MX CD
7 MX
MX
DFC AYX CEYB AYX

8



CAB

AYX DFC MX
9 AHK DFP TAH AHK WJ

TCZ DFE CD
10
TAH DFG DFP YJA TCZ DEW TCZ VM DFE
11 DFP CD DFG DEW WJ TCZ TAH TCZ WJ DEW
12 DFG DFP DFP CEYB WJ NN TCZ NN YJA
13 AHK DFG DFP DEW WJ NN NN NN WJ
14 DFP DAX DFG DFP WJ NN NN NN WJ CD
15 TAH DFG TAH AHK YJA NN mars
core
memory
NN WJ DEW
16 DFP DFP DFP DEW WJ NN NN WJ
17 DFP DFP DFB DFP WJ NN NN YJA
18 DFE DEQ DFG DFP YJA NN NN NN WJ
19 TAH DFP
DEW WJ NN NN NN WJ
20
DFP AHK DFP WJ NN TCZ NN YJA
21 DFP DFP DFG DEW WJ NN AHK NN WJ TFC
22 CD
DFP MX WJ TCZ CAB TCZ TAG
23 AHK DFG DFG DFP YJA TCZ CEYB TCZ DEW
24
DFG CD DFP WJ TCZ AFR AHK TCZ
25 CD
DFP DFP DFP MX AFR DFG

26 DFC CD RE
MX AYX CEYB AYX DBU AYX
27
CEYB CD CAU CEYB DAX
AYX

28 DFP MX CAB DAX CAB AHK CD AHK CAB