PDP-12: Difference between revisions

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The '''PDP-12''' was a computer produced by DEC for use in laboratory settings. It was a descendant of (and replacement for) the [[LINC-8]]; its [[CPU]] could operate in one of two modes: either as a [[PDP-8 family|PDP-8]] (specifically a [[PDP-8/I]]), or as a [[LINC]] computer. In each mode, there is an instruction to switch to the other mode.
The '''PDP-12''' was a computer produced by [[Digital Equipment Corporation|DEC]] for use in laboratory settings. It was a descendant of (and replacement for) the [[LINC-8]]; its [[Central Processing Unit|CPU]] could operate in one of two modes: either as a [[PDP-8 family|PDP-8]] (specifically a [[PDP-8/I]]), or as a [[LINC]] computer. In each mode, there is an [[instruction]] to switch to the other mode.


Like the LINC, it included a video display, analog inputs, and [[LINC tape]] drives (the TC12F option allowed them to operate as either LINC tapes, or [[DECtape]]s). It could also include any of the standard PDP-8 peripherals, attached to the positive logic PDP-8/I-type I/O bus.
Like the LINC, it included a video [[display]], analog inputs, and [[LINC tape]] drives (the TC12F option allowed them to operate as either LINC tapes, or [[DECtape]]s). It could also include any of the standard PDP-8 [[peripheral]]s, attached to the positive logic PDP-8/I-type I/O bus.


The basic machine included 4K words of 1.2 microsecond [[core memory]], which could be expanded in 4K word increments to up to 32K words.
The basic machine included 4K words of 1.2 microsecond [[core memory]], which could be expanded in 4K word increments to up to 32K words.


==Further reading==
==Images==


Detailed information is given in:
[[Image:PDP-12_Update-Uppsala.jpg|400px|thumb|left|PDP-12 at the Update Computer Club at Uppsala University, Uppsala, Sweden]]


* "Laboratory Computer Handbook", 1971 edition
<!-- ==Further reading==
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<br clear=all>
==External links==


[[Category: DEC Systems]]
* [http://www.bitsavers.org/pdf/dec/pdp12/ pdp12] - PDP-12 at Bitsavers
[[Category: Minicomputers]]
** [http://www.bitsavers.org/pdf/dec/pdp12/Laboratory_Computer_Handbook_1971.pdf Laboratory Computer Handbook] - detailed information
[[Category: Personal Computers]]
** [http://www.bitsavers.org/pdf/dec/pdp12/lap6-dial/ lap6-dial]<!--
http://highgate.comm.sfu.ca/pdp8/off-topic/PDP12Handbook.pdf - another copy -->
* [http://s3data.computerhistory.org/brochures/dec.pdp-12.1963.102646098.pdf The New PDP-12] - marketing brochure from DEC  
* [https://www.pdp8online.com/images/linctape-images/dial.shtml Images of DIAL LINCtapes used on a PDP-12] - copies of tape contents
* [https://www.pdp8online.com/images/linctape-images/linc-8-dial.shtml Images of DIAL LINCtapes used on a PDP-12] - copies of other tapes
 
[[Category: DEC Minicomputers]]
[[Category: DEC Personal Computers]]
[[Category: 12-bit Computers]]

Latest revision as of 17:56, 7 February 2024

The PDP-12 was a computer produced by DEC for use in laboratory settings. It was a descendant of (and replacement for) the LINC-8; its CPU could operate in one of two modes: either as a PDP-8 (specifically a PDP-8/I), or as a LINC computer. In each mode, there is an instruction to switch to the other mode.

Like the LINC, it included a video display, analog inputs, and LINC tape drives (the TC12F option allowed them to operate as either LINC tapes, or DECtapes). It could also include any of the standard PDP-8 peripherals, attached to the positive logic PDP-8/I-type I/O bus.

The basic machine included 4K words of 1.2 microsecond core memory, which could be expanded in 4K word increments to up to 32K words.

Images

PDP-12 at the Update Computer Club at Uppsala University, Uppsala, Sweden


External links