NORD-10 boards

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This is an incomplete compilation of known boards used in the NORD-10 series of computers.

Card cages in a NORD-10.

Just as in the NORD-1 computer, the CPU is made up of several different boards. As far as I know there is usually two card frames, the top one contains the main CPU cards while the bottom frame contains memory and I/O boards.

The NORD-10 was constructed in the age of core memory so the first version used core memory. A later development replaced the core memory with solid state memory in the NORD-10/S. Older NORD-10 systems could be upgraded to the newer NORD-10/S model.

Most cards are numbered with a four digit code starting at 1001 and at least going up to 1315 and one card with number 1932.

Table of NORD-10 series boards

This list is based on the list of NORD-10 boards on sintran.com with additional sources added to the list.

Board Drawing Name Product number Notes
1001 2A01 Main Arithmetic 322000
1002 2A02 Registers 322001
1003 2A03/II Status 322002
1004 2A04 Memory Data 322003
1005 2A05 Memory Address 322004
1006 2A06 OR Logic 322005
1007 2A07 Decoding 322006
1008 2A08 Interrupt Registers 322007
1009 2A09 Microaddressing Mattislind
1010 2A10 I/O Address 322009
1011 2A11 I/O Data Mattislind
1012 2A12/II Rack Driver Mattislind
1013 2A13 Device Registers 322012
1014 2A14 DMA Registers 322013
1015 2A15 Drum Sequenser Mattislind
1016 2A16 Drum Control Mattislind
1017 2A17 Drum Timing Mattislind
1018 2A18 Tape Reader Interface 322017
1019 2A19 Rack Control 1 322018
1021 2A20 Teletype Buffer Mattislind
1021 2A21 Rack Control 2 Mattislind
1022 2A22 Bus Control 322021
1023 2A23/II 1K PROM 322022
1024 2A24 RTCL - N10 322023
1025 2A25 Time Counter 322024
1026 2A26 Punch Interface 322025
1027 2A27 I/O Control 322026
1028 2A28 Interrupt Control
1029 2A29 Panel Control 1 322028
1030 2A30 Panel Control 2 322029
1031 2A31 Panel Data 1 322030
1032 2A32 Panel Data 2 322031
1033 2A33 Panel Driver 322032
1034 Paging surrogate Mattislind
1036 Disc Transceiver 322035
1037 Disc Control 322036
1038 Disc Sequence 322037
1039 Disc Timing 322038
1040 Paging 322039
1041 Mattislind
1042 16 Bits Digital Output 322041
1043 Card Reader Buffer 322042 [1]
1046 Asynchronous Modem Buffer 322045
1047 CDC Line Printer Interface 322046
1050 Synchronous Modem Buffer 322049
1051 Read Control Module 32xxxx
1052 Write Control Module 32xxxx
1053 Drive Control Module 32xxxx
1054 Panel Control 2 322053
1055 Memory Control 322054
1056 Process Input 322055
1057 Process Output 322056
1058 Interrupt Control 322139
1060 4K RAM 322141
1061 HP Parity 322142
1062 HP Status 322143
1063 HP Timing A 322144
1064 HP Timing B 322145
1066 4K MOS RAM Module "Mostek" 32xxxx
1068 ACM I/O 32xxxx
1070 Data and Addr. Bus Sel. 322151
1071 NORD-50 Data 322152
1072 HP Control B 322153
1073 Control Driver 322154
1074 32xxxx
1075 Micro Addressing 322156
1077 SMD Control 32xxxx
1078 SMD Receiver 322159
1079 SMD Transmitter 32xxxx
1080 Mattislind
1081 MPM Data Line Driver 322162
1083 MPM Address Line Driver 322164
1085 MPM Data Line Driver 322166
1087 MPM Address Line Driver 322168
1089 MPM Refresh 322170
1090 MPM Control 322171
1092 Buffered DMA Register 32xxxx
1093 Branch Transceiver 322174
1094 8K RAM 322175
1095 Terminal Buffer 322176
1096 Mattislind
1099 Memory Address 322180
1101 Branch Control 322327
1102 Matrix Printer/Plotter, Versatec Control 322328
1103 Diff. Tranceiver 322329
1107 Disc Sequence 32xxxx
1108 Remote Byte 322365
1109 Parallel Byte Output 322366
1111 Floppy Disc Control 322368 Page C-1-2 FLOPPY DISK SYSTEM
1113 Watchdog 322354
1114 Panel Transceiver 322381
1115 Lamp Register 322382
1118 Floppy Disc Data 322373 Page C-1-3 FLOPPY DISK SYSTEM
1119 Transceiver Address 322384
1120 Time Control 322385
1121 Panel Control 32xxxx
1122 4 AS. Current Loop 322383
1123 Pertec MT Control C 322387
1124 Pertec MT Control B 322363
1125 Transceiver Data 322388
1126 Cache 322389
1127 Transceiver Control 322390
1129 DMA Registers 322394
1130 CDC Line Printer 322065
1132 32K RAM 322395 [2] Part of Big Multiport Memory
1133 ECC Polynomials 322068
1134 ECC Control 322069
1135 SMD Timing 322070
1137 PS-2 Data Out 322071
1140 Tally Matrix Printer Interface 322074
1141 HDLC Data 322075
1142 Big MPM Address 322076 [2] Part of Big Multiport Memory
1143 Big MPM Data 322077 [2] Part of Big Multiport Memory
1144 Big MPM Control 322078 [2] Part of Big Multiport Memory
1145 Big MPM Log. 322079 [2]
1146 Big MPM I/O Interface 322080 [2]
1147 2 Async. V.24 322081
1151 HDLC DMA Control 322085 [3]
1153 DMA Address Extender 322087
1154 SMD Transmitter 32xxxx
1155 Bus Control 322089
1156 SMD Unit Control 322090
1157 Big MPM Y Log. 322091 Part of Big Multiport Memory
1158 DR11 C Interface 32xxxx
1159 16K RAM 32xxxx
1160 8K Static RAM 322095
1161 Channel Address Driver 322096
1162 Channel Data Driver 32xxxx
1163 Memory Address Rec 32xxxx
1164 Memory Data Receiver 32xxxx
1165 Memory Multiplexer Data 32xxxx
1166 Programmable Clock 322103
1167 4K PROM 32xxxx
1168 Differential DMA Adapter 32xxxx
1169 Dual Telex Control 32xxxx
1170 External Interrupt 32xxxx
1171 DMA Channel Data 322423
1172 Universal DMA Interface 32xxxx
1173 Telex Transmitter 322425
1175 Rot. Prior Control 32xxxx
1178 Memory Trace, module 1 32xxxx
1179 Memory Trace, module 2 32xxxx
1181 HDLC Data 322433 [3]
1182 GPIB Remote Box 32xxxx
1183 Memory Address Receiver 32xxxx
1184 Memory Data 32xxxx
1185 Bus Control 322437
1203 Status 32xxxx
1205 OR Logic 32xxxx
1209 Mini Panel 322219
1210 Clock and Parity 32xxxx
1211 MPM Data Buffer Line Driver 32xxxx
1213 MPM Address Buffer Line Driver 32xxxx
1219 Mini Panel 32xxxx
1302 Nordcom-74 - Address & Data Buffer 32xxxx
1303 Nordcom-74 - Selector Module 32xxxx
1304 Nordcom-74 - SGB 32xxxx
1305 Nordcom-74 - Timing 32xxxx
1306 Nordcom-74 - ACM-DCH 32xxxx
1315 Nordcom-74 - Tracker Ball 32xxxx
1932 HDLC DMA shadow 32xxxx

References and sources