Difference between revisions of "PDP-8 family"

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(Three now, not two.)
 
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| Model Name  || Introduced || Discontinued || Cost || Implementation || Notes
 
| Model Name  || Introduced || Discontinued || Cost || Implementation || Notes
 
|-
 
|-
| [[PDP-5]]  || 1963      || 1967        || ???  || [[Transistor]] [[System Module]]s ||
+
| [[PDP-5]]  || 1963      || 1967        || ???  || [[Transistor]] [[System Module]]s || Effectively, the prototype
 
|-
 
|-
| [[PDP-8]]  || 1965      || 1969        || $18,500 || Transistor [[FLIP CHIP]]s ||
+
| [[PDP-8]]  || 1965      || 1969        || $18,500 || Transistor [[FLIP CHIP]]s
 
|-
 
|-
 
| [[LINC-8]]  || 1966      || 1969        || ???    || Transistor FLIP CHIPs
 
| [[LINC-8]]  || 1966      || 1969        || ???    || Transistor FLIP CHIPs
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|-
 
|-
 
| [[PDP-8/L]] || 1968      || 1971        || ???    || TTL FLIP CHIPs || Stripped down PDP-8/I
 
| [[PDP-8/L]] || 1968      || 1971        || ???    || TTL FLIP CHIPs || Stripped down PDP-8/I
 +
|-
 +
| [[LAB-8]]  || 1968      ||              ||        ||                ||
 
|-
 
|-
 
| [[PDP-12]]  || 1969      || ???          || ???    || TTL FLIP CHIPs || New version of LINC-8
 
| [[PDP-12]]  || 1969      || ???          || ???    || TTL FLIP CHIPs || New version of LINC-8
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| [[DECmate III|DECmate III+]] || 1985 || 1990 || ??? || Harris 6120    || Desktop
 
| [[DECmate III|DECmate III+]] || 1985 || 1990 || ??? || Harris 6120    || Desktop
 
|}
 
|}
as well as two [[microprocessor]] implementations:
+
as well as three [[microprocessor]] implementations:
  
 +
* Fabri-Tek [[Fabri-Tek MP12|MP12]]
 
* Intersil 6100 used in the [[VT78]]
 
* Intersil 6100 used in the [[VT78]]
 
* Harris 6120, used in the [[DECmate]] systems
 
* Harris 6120, used in the [[DECmate]] systems
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* [[TSS/8]]
 
* [[TSS/8]]
 
* [[RTS/8]]
 
* [[RTS/8]]
 +
 +
==See also==
 +
 +
* [[PDP-8 Memory Extension units‎‎]]
 +
 +
==External links==
 +
 +
* [http://www.bitsavers.org/pdf/dec/pdp8 PDP-8] - Original PDP-8 documents at Bitsavers
 +
* [http://www.vaxarchive.org/hardware/pdp11/pdp8rc.tar PDP-8 reference card] (images in TAR file)
 +
* C. Gordon Bell and John E. McNamara, [http://gordonbell.azurewebsites.net/Computer_Engineering/00000201.htm The PDP-8 and Other 12-Bit Computers], in C. Gordon Bell, J. Craig Mudge, John. E. McNamara, ''Computer Engineering: A DEC View of Hardware Systems Design'', Digital Press, Bedford, 1978
 +
* [https://www.pdp8online.com/ Online PDP-8 Home Page] - David Gesswein's PDP-8 site
 +
** [http://www.pdp8online.com/query_docs/query_all.html PDP-8 Document Search Results]
 +
* [http://highgate.comm.sfu.ca/pdp8/ Highgate's PDP-8 Page]
 +
* [http://homepage.cs.uiowa.edu/~jones/pdp8/models/ PDP-8 Models and Options] - Douglas Jones' PDP-8 site
 +
* [https://ethw.org/File:OMNI-pdp8.pdf The PDP-8] - "The first ‘personal’ computer for engineers and scientists ushered in the minicomputer era", John Voelker, IEEE Spectrum
 +
* [https://www.ricomputermuseum.org/collections-gallery/equipment/pdp-8s "Rhode Island Computer Museum: Digital Equipment PDP-8/S, S/N 517"] - "The PDP-8/S ... was designed by Saul P. Dinman and was the first CPU to cost less than $10,000. It ... does not contain any integrated circuits. Just the processor contains 1001 transistors."
 +
* [https://relaysbc.sourceforge.net/devlog.html "A relay PDP-8 ?"] is a paper design by Joe Allen for a 227-[[relay]] computer implementation that executes the PDP-8 instruction set.
  
 
{{Nav PDP-8}}
 
{{Nav PDP-8}}
 +
{{Nav DEC}}
  
 
[[Category: DEC Architectures]]
 
[[Category: DEC Architectures]]
 
[[Category: PDP-8s]]
 
[[Category: PDP-8s]]

Latest revision as of 09:16, 30 July 2024

The PDP-8 family was a range of 12-bit minicomputers produced by DEC.

Models

Model Name Introduced Discontinued Cost Implementation Notes
PDP-5 1963 1967  ??? Transistor System Modules Effectively, the prototype
PDP-8 1965 1969 $18,500 Transistor FLIP CHIPs
LINC-8 1966 1969  ??? Transistor FLIP CHIPs
PDP-8/S 1967 1970 $10,000 Transistor FLIP CHIPs Serial, unbelievably slow
PDP-8/I 1968 1971  ??? TTL FLIP CHIPs
PDP-8/L 1968 1971  ??? TTL FLIP CHIPs Stripped down PDP-8/I
LAB-8 1968
PDP-12 1969  ???  ??? TTL FLIP CHIPs New version of LINC-8
PDP-8/E 1970 1978  ??? quad PCBs First OMNIBUS
PDP-8/F 1972  ???  ??? quad PCBs Smaller PDP-8/E
PDP-8/M 1972  ???  ??? quad PCBs OEM PDP-8/F
PDP-8/A 1975  ???  ??? single hex PCB
VT78 1978 1980  ??? Intersil 6100 Desktop
DECmate I 1980 1984  ??? Harris 6120 Desktop
DECmate II 1982 1986  ??? Harris 6120 Desktop
DECmate III 1984 1990  ??? Harris 6120 Desktop
DECmate III+ 1985 1990  ??? Harris 6120 Desktop

as well as three microprocessor implementations:

  • Fabri-Tek MP12
  • Intersil 6100 used in the VT78
  • Harris 6120, used in the DECmate systems

Architecture

See PDP-8 architecture

Operating Systems

See also

External links