PDP-9 restoration

From: Doug Yowza <yowza_at_yowza.com>
Date: Mon May 11 00:40:14 1998

On Mon, 11 May 1998, Hans B Pufal wrote:

> I have trawelled the net and checked my own library but can find very
> little of substance on the PDP-9. Doea anyone have information on this
> machine? How rare is it?

Nothing of substance, but this info is in the PDP-8 FAQ:

        MODEL DATE PRICE BITS COMMENTS
        ===== ==== ======== ==== =====
        PDP-1 1960 $120,000 18 DEC's first computer
        PDP-2 NA 24 Never built?
        PDP-3 NA 36 One was built by a customer, not by
DEC.
        PDP-4 1962 $60,000 18 Predecessor of the PDP-7.
        PDP-5 1963 $27,000 12 The ancestor of the PDP-8.
        PDP-6 1964 $300,000 36 A big computer; 23 built, most for
MIT.
        PDP-7 1965 $72,000 18 Widely used for real-time control.
        PDP-8 1965 $18,500 12 The smallest and least expensive PDP.
        PDP-9 1966 $35,000 18 An upgrade of the PDP-7.
        PDP-10 1967 $110,000 36 A PDP-6 successor, great for
timesharing.
        PDP-11 1970 $10,800 16 DEC's first and only 16 bit computer.
        PDP-12 1969 $27,900 12 A PDP-8 relative.
        PDP-13 NA Bad luck, there was no such machine.
        PDP-14 A ROM-based programmable controller.
        PDP-15 1970 $16,500 18 A TTL upgrade of the PDP-9.
        PDP-16 1972 NA 8/16 A register-transfer module system.

-- Doug
Received on Mon May 11 1998 - 00:40:14 BST