PDP-11: Difference between revisions

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=== PDP-11 Models and notes ===
=== PDP-11 Models and notes ===
{| border="1"
{| border="1"
|Model
! Model ! Year of Introduction ! Bus Type ! Memory Addressing ! Notes
|Year of Introduction  
|Bus Type  
|Memory Addressing
|Notes
|-
|-
|[[PDP-11/20]]
|[[PDP-11/20]] |([[1970]]) |[[UNIBUS]] |16-bit |
|([[1970]])
|[[UNIBUS]]
|16-bit
|
|-
|-
|[[PDP-11/05]]
|[[PDP-11/05]] |([[1972]]) |[[UNIBUS]] |16-bit |
|([[1972]])
|[[UNIBUS]]
|16-bit
|
|-
|-
|[[PDP-11/10]]
|[[PDP-11/10]] |([[1972]]) |[[UNIBUS]] |16-bit |
|([[1972]])
|[[UNIBUS]]
|16-bit
|
|-
|-
|[[PDP-11/15]]
|[[PDP-11/15]] |([[1972]]) |[[UNIBUS]] |16-bit |OEM model
|([[1972]])
|[[UNIBUS]]
|16-bit
|OEM model
|-
|-
|[[PDP-11/40]]
|[[PDP-11/40]] |([[1973]]) |[[UNIBUS]] |18-bit |
|([[1973]])
|[[UNIBUS]]
|18-bit
|
|-
|-
|[[PDP-11/45]]
|[[PDP-11/45]] |([[1973]]) |[[UNIBUS]] |18-bit |core memory
|([[1973]])
|[[UNIBUS]]
|18-bit
|core memory
|-
|-
|[[PDP-11/50]]
|[[PDP-11/50]] |([[1975]]) |[[UNIBUS]] |18-bit |MOS memory
|([[1975]])
|[[UNIBUS]]
|18-bit
|MOS memory
|-
|-
|[[PDP-11/70]]
|[[PDP-11/70]] |([[1975]]) |[[UNIBUS]] |22-bit |
|([[1975]])
|[[UNIBUS]]
|22-bit
|
|-
|-
|[[PDP-11/03]]
|[[PDP-11/03]] |([[1975]]) |[[QBUS]] |16-bit |first QBUS model, first F-11
|([[1975]])
|[[QBUS]]
|16-bit
|first QBUS model, first F-11
|-
|-
|[[PDP-11/34]]
|[[PDP-11/34]] |([[1976]]) |[[UNIBUS]] |18-bit |
|([[1976]])
|[[UNIBUS]]
|18-bit
|
|-
|-
|[[PDP-11/04]]
|[[PDP-11/04]] |([[1976]]) |[[UNIBUS]] |16-bit |
|([[1976]])
|[[UNIBUS]]
|16-bit
|
|-
|-
|[[PDP-11/55]]
|[[PDP-11/55]] |([[1976]]) |[[UNIBUS]] |18-bit |fast bipolar memory
|([[1976]])
|[[UNIBUS]]
|18-bit
|fast bipolar memory
|-
|-
|[[PDP-11/60]]
|[[PDP-11/60]] |([[1977]]) |[[UNIBUS]] |18-bit |writable control store
|([[1977]])
|[[UNIBUS]]
|18-bit
|writable control store
|-
|-
|[[PDP-11/23]]
|[[PDP-11/23]] |([[1979]]) |[[QBUS]] |18-bit ''or'' 22-bit |
|([[1979]])
|[[QBUS]]
|18-bit ''or'' 22-bit
|
|-
|-
|[[PDP-11/24]]
|[[PDP-11/24]] |([[1979]]) |[[UNIBUS]] |22-bit |first UNIBUS model to use F-11 chip
|([[1979]])
|[[UNIBUS]]
|22-bit
|first UNIBUS model to use F-11 chip
|-
|-
|[[PDP-11/44]]
|[[PDP-11/44]] |([[1979]]) |[[UNIBUS]] |22-bit |last non-LSI PDP-11
|([[1979]])
|[[UNIBUS]]
|22-bit
|last non-LSI PDP-11
|-
|-
|[[PDP-11/23 PLUS|PDP-11/23+]]
|[[PDP-11/23 PLUS|PDP-11/23+]] |([[1981]]) |[[QBUS]] |22-bit |
|([[1981]])
|[[QBUS]]
|22-bit
|
|-
|-
|[[PDP-11/73]]
|[[PDP-11/73]] |([[1983]]) |[[QBUS]] |22-bit |first J-11 machine, 15MHz, integrated FPU, also first PMI PDP-11
|([[1983]])
|[[QBUS]]
|22-bit
|first J-11 machine, 15MHz, integrated FPU, also first PMI PDP-11
|-
|-
|[[PDP-11/53]]
|[[PDP-11/53]] |([[1984]]) |[[QBUS]] |22-bit |S-box or standard qbus, integrated FPU
|([[1984]])
|[[QBUS]]
|22-bit
|S-box or standard qbus, integrated FPU
|-
|-
|[[PDP-11/83]]
|[[PDP-11/83]] |([[1986]]) |[[QBUS]] |22-bit |J-11 at 18MHz, integrated FPU
|([[1986]])
|[[QBUS]]
|22-bit
|J-11 at 18MHz, integrated FPU
|-
|-
|[[PDP-11/84]]
|[[PDP-11/84]] |([[1986]]) |[[UNIBUS]] |22-bit |J-11 at 18MHz, integrated FPU, 768KiW memory
|([[1986]])
|[[UNIBUS]]
|22-bit
|J-11 at 18MHz, integrated FPU, 768KiW memory
|-
|-
|[[PDP-11/93]]
|[[PDP-11/93]] |([[1990]]) |[[QBUS]] |22-bit |J-11 at 18MHz, integrated FPU, 2MiW onboard memory
|([[1990]])
|[[QBUS]]
|22-bit
|J-11 at 18MHz, integrated FPU, 2MiW onboard memory
|-
|-
|[[PDP-11/94]]
|[[PDP-11/94]] |([[1990]]) |[[UNIBUS]] |22-bit |J-11 at 18MHz, integrated FPU, 2MiW onboard memory
|([[1990]])
|[[UNIBUS]]
|22-bit
|J-11 at 18MHz, integrated FPU, 2MiW onboard memory
|}
|}
[[Category:DEC architectures]]
[[Category:DEC architectures]]
[[Category:DEC hardware]]
[[Category:DEC hardware]]

Revision as of 22:42, 15 May 2007

The PDP-11 is a series of computers introduced in 1970 by Digital Equipment Corporation (DEC).

A loaded PDP-11/23 PLUS

The machine word size was 16 bits. For more information, see PDP-11 architecture.

PDP-11 Models and notes

Model ! Year of Introduction ! Bus Type ! Memory Addressing ! Notes
PDP-11/20 |(1970) |UNIBUS |16-bit |
PDP-11/05 |(1972) |UNIBUS |16-bit |
PDP-11/10 |(1972) |UNIBUS |16-bit |
PDP-11/15 |(1972) |UNIBUS |16-bit |OEM model
PDP-11/40 |(1973) |UNIBUS |18-bit |
PDP-11/45 |(1973) |UNIBUS |18-bit |core memory
PDP-11/50 |(1975) |UNIBUS |18-bit |MOS memory
PDP-11/70 |(1975) |UNIBUS |22-bit |
PDP-11/03 |(1975) |QBUS |16-bit |first QBUS model, first F-11
PDP-11/34 |(1976) |UNIBUS |18-bit |
PDP-11/04 |(1976) |UNIBUS |16-bit |
PDP-11/55 |(1976) |UNIBUS |18-bit |fast bipolar memory
PDP-11/60 |(1977) |UNIBUS |18-bit |writable control store
PDP-11/23 |(1979) |QBUS |18-bit or 22-bit |
PDP-11/24 |(1979) |UNIBUS |22-bit |first UNIBUS model to use F-11 chip
PDP-11/44 |(1979) |UNIBUS |22-bit |last non-LSI PDP-11
PDP-11/23+ |(1981) |QBUS |22-bit |
PDP-11/73 |(1983) |QBUS |22-bit |first J-11 machine, 15MHz, integrated FPU, also first PMI PDP-11
PDP-11/53 |(1984) |QBUS |22-bit |S-box or standard qbus, integrated FPU
PDP-11/83 |(1986) |QBUS |22-bit |J-11 at 18MHz, integrated FPU
PDP-11/84 |(1986) |UNIBUS |22-bit |J-11 at 18MHz, integrated FPU, 768KiW memory
PDP-11/93 |(1990) |QBUS |22-bit |J-11 at 18MHz, integrated FPU, 2MiW onboard memory
PDP-11/94 |(1990) |UNIBUS |22-bit |J-11 at 18MHz, integrated FPU, 2MiW onboard memory
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