This page describes the IBM SMS card "DGN", and is part of the SMS card database.

Function of the card:
SDTRL cam integrator
Sotrl cam integrator

Saturated Drift Transistor Resistor Logic (SDTRL) is a form of resistor-transistor logic using faster drift-field transistors.

Part number: 370257

PCB number: 484083

Used in: IBM 1410, IBM 1414 I/O Synchronizer

Cap code: None (details)

References: 1414 SMS Cards, p24
1414 SMS Cards, p13
1414 SMS Cards, p33
1414 SMS Cards, p55
1414 SMS Cards, p45
1414 SMS Cards, p85
1414 SMS Cards, p93
1414 SMS Cards, p72
1414 SMS Cards, p26
1414 SMS Cards, p12
1414 SMS Cards, p59
1414 SMS Cards, p56
1414 SMS Cards, p70
1414 SMS Cards, p39
1414 SMS Cards, p42
1414 SMS Cards, p92
1414 SMS Cards, p20
1414 SMS Cards, p89
1414 SMS Cards, p96
1414 SMS Cards, p50
1414 SMS Cards, p3
1414 SMS Cards, p83
1414 SMS Cards, p65
1414 SMS Cards, p73
1414 SMS Cards, p86
1414 SMS Cards, p37
1414 SMS Cards, p63
1414 SMS Cards, p66
1414 SMS Cards, p78
1414 SMS Cards, p14
1414 SMS Cards, p97
1414 SMS Cards, p47
1414 SMS Cards, p11
1414 SMS Cards, p54
1414 SMS Cards, p76
1414 SMS Cards, p15
1414 SMS Cards, p77
1414 SMS Cards, p46
1414 SMS Cards, p53
1414 SMS Cards, p19
1414 SMS Cards, p7
1414 SMS Cards, p62
1414 SMS Cards, p84
1414 SMS Cards, p31
1414 SMS Cards, p18
1414 SMS Cards, p48
1414 SMS Cards, p41
1414 SMS Cards, p5
1414 SMS Cards, p29
1414 SMS Cards, p32
1414 SMS Cards, p28
1414 SMS Cards, p61
1414 SMS Cards, p35
1414 SMS Cards, pp21,97
1410_SMS_VOL_1.pdf, p70
1414 SMS Cards, p9
1414 SMS Cards, p27
1414 SMS Cards, p6
1414 SMS Cards, p75
1414 SMS Cards, p90
1414 SMS Cards, p43
1414 SMS Cards, p79
1414 SMS Cards, p38
1414 SMS Cards, p52
1414 SMS Cards, p91
1414 SMS Cards, p16
1414 SMS Cards, p30
1414 SMS Cards, p67
1414 SMS Cards, p95
1414 SMS Cards, p98
1414 SMS Cards, p51
1414 SMS Cards, p4
1414 SMS Cards, p25
1414 SMS Cards, p40
1414 SMS Cards, p17
1414 SMS Cards, p44
1414 SMS Cards, p64
1414 SMS Cards, p68
1414 SMS Cards, p87
1414 SMS Cards, p10
1414 SMS Cards, p57
1414 SMS Cards, p99
1414 SMS Cards, p94
1414 SMS Cards, p81
1414 SMS Cards, p23
1414 SMS Cards, p8
1414 SMS Cards, p88
1414 SMS Cards, p36
1414 SMS Cards, pp22,97
1414 SMS Cards, p82
1414 SMS Cards, p60
1414 SMS Cards, p74
1414 SMS Cards, p49
1414 SMS Cards, p58
1414 SMS Cards, p80
1414 SMS Cards, p34

The information on these pages comes from a variety of sources, especially old IBM documents on bitsavers.org, as well as information from the IBM 1401 restoration team, especially Tim Coslet's SMS data and Jim Hunt's data. Much of this information was obtained through OCR, so don't expect complete accuracy. These pages are not associated with IBM in any way.