PDP7 Digital Equipment Corporation PDP-7A - S#104 PDP7A
Massachusetts Institute of Technology project MAC

S#104 in manufacture. Image courtesy of Computer History Museum

The PDP-7 Service list (1972) lists that machine #104 was shipped to the Massachusetts Institute of Technology project MAC in January 1966 and consisted of the following options -

For descriptions of the above options see the full PDP-7 options list here.

The service list is available here (6.5Mb pdf), and comprises the 99 known PDP-7 and PDP-7A systems on the list at that time. 120 systems were built in total, but at this time we do not have any information about the remaining 21 systems or who they were delivered to. The PDP-7 appeared to have sold well into Government research and University sectors with 11 systems shipped to the UK alone, almost 10% of the production run !. Serial numbers are concurrent for both the PDP-7 and PDP-7A so the missing 21 could be either type.

If you know of any information about any of the PDP-7 systems worldwide, location of existing systems, spare parts, ancillary bits, software, tapes or manuals, then please let us know here. PDP7

Documents associated with PDP-7 S#104 - None at this time

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