PDP-8 family: Difference between revisions

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the PDP-8 was a 12-bit minicomputer produced by [[DEC]]. It came in the following variants
The '''PDP-8 family''' was a range of 12-[[bit]] [[minicomputer]]s produced by [[Digital Equipment Corporation|DEC]].  


* [[PDP-8]]
== Models ==
* [[LINC-8]]
* [[PDP-8/S]]
* [[PDP-8/I]]
* [[PDP-8/L]]
* [[PDP-12]]
* [[PDP-8/E]]
* [[PDP-8/F]]
* [[PDP-8/M]]
* [[PDP-8/A]]


as well as two microprocessor implementations:
{| class="wikitable"
|-
| Model Name  || Introduced || Discontinued || Cost || Implementation || Notes
|-
| [[PDP-5]]  || 1963      || 1967        || ???  || [[Transistor]] [[System Module]]s ||
|-
| [[PDP-8]]  || 1965      || 1969        || $18,500 || Transistor [[FLIP CHIP]]s ||
|-
| [[LINC-8]]  || 1966      || 1969        || ???    || Transistor FLIP CHIPs
|-
| [[PDP-8/S]] || 1967      || 1970        || $10,000 || Transistor FLIP CHIPs || [[Serial computer|Serial]], ''unbelievably'' slow
|-
| [[PDP-8/I]] || 1968      || 1971        || ???    || [[Transistor-transistor logic|TTL]] FLIP CHIPs ||
|-
| [[PDP-8/L]] || 1968      || 1971        || ???    || TTL FLIP CHIPs || Stripped down PDP-8/I
|-
| [[PDP-12]]  || 1969      || ???          || ???    || TTL FLIP CHIPs || New version of LINC-8
|-
| [[PDP-8/E]] || 1970      || 1978        || ???    || [[DEC card form factor|quad]] [[printed circuit board|PCBs]]  || First [[OMNIBUS]]
|-
| [[PDP-8/E|PDP-8/F]] || 1972      || ???          || ???    || quad PCBs || Smaller PDP-8/E
|-
| [[PDP-8/E|PDP-8/M]] || 1972      || ???          || ???    || quad PCBs || [[Original Equipment Manufacturer|OEM]] PDP-8/F
|-
| [[PDP-8/A]] || 1975      || ???          || ???    || single hex PCB ||
|-
| [[VT78]]  || 1978        || 1980        || ???    || [[Intersil 6100]] || [[Personal computer|Desktop]]
|-
| [[DECmate I]]|| 1980      || 1984        || ???    || [[Harris 6120]] || Desktop
|-
| [[DECmate II]]|| 1982    || 1986        || ???    || Harris 6120  || Desktop
|-
| [[DECmate III]] || 1984  || 1990        || ???    || Harris 6120    || Desktop
|-
| [[DECmate III|DECmate III+]] || 1985 || 1990 || ??? || Harris 6120    || Desktop
|}
as well as two [[microprocessor]] implementations:


* 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
== Architecture ==
See [[PDP-8 architecture]]
== Operating Systems ==
* [[OS/8]]
* [[TSS/8]]
* [[RTS/8]]
{{Nav PDP-8}}
[[Category: DEC Architectures]]
[[Category: PDP-8s]]

Revision as of 13:10, 7 September 2018

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
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
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 two microprocessor implementations:

  • Intersil 6100 used in the VT78
  • Harris 6120, used in the DECmate systems

Architecture

See PDP-8 architecture

Operating Systems