DECtape

Note: these are large PDF files of scanned images.

DEC documentation

TC11 DECtape system manual (8.8M)
TC11 DECtape system engineering drawings ( 13M)

Thanks to Uncle Al for scanning the TC11 manual and prints.

Patents

US Patent 3,387,293: Bidirectional Retrieval of Magnetically Recorded Data, T. C. Stockebrand, inventor (1.0M)

Software

dectape_decode.c, a program to extract block data from a raw DECtape image file
dectape3.c, a program to examine triplets of consecutive DECtape mark track codes to determine what spurious (unsynchronized) codes might be detected when using an 8-bit detector

Links

TU56 page by David Gesswein
DECtape driver for VMS (for Unibus VAX with TC11 control)

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Last updated February 7, 2001

Copyright 2001 Eric Smith

eric@brouhaha.com