PDP-11: Difference between revisions

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OOPS.
Removed the parenthesis around the years. Look ma, I used Preview this time!
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! Model !! Year of Introduction !! Bus Type !! Memory Addressing !! Notes
! Model !! Year of Introduction !! Bus Type !! Memory Addressing !! Notes
|-
|-
|[[PDP-11/20]] ||([[1970]]) ||[[UNIBUS]] ||16-bit ||
|[[PDP-11/20]] ||[[1970]] ||[[UNIBUS]] ||16-bit ||
|-
|-
|[[PDP-11/05]] ||([[1972]]) ||[[UNIBUS]] ||16-bit ||
|[[PDP-11/05]] ||[[1972]] ||[[UNIBUS]] ||16-bit ||
|-
|-
|[[PDP-11/10]] ||([[1972]]) ||[[UNIBUS]] ||16-bit ||
|[[PDP-11/10]] ||[[1972]] ||[[UNIBUS]] ||16-bit ||
|-
|-
|[[PDP-11/15]] ||([[1972]]) ||[[UNIBUS]] ||16-bit ||OEM model
|[[PDP-11/15]] ||[[1972]] ||[[UNIBUS]] ||16-bit ||OEM model
|-
|-
|[[PDP-11/40]] ||([[1973]]) ||[[UNIBUS]] ||18-bit ||
|[[PDP-11/40]] ||[[1973]] ||[[UNIBUS]] ||18-bit ||
|-
|-
|[[PDP-11/45]] ||([[1973]]) ||[[UNIBUS]] ||18-bit ||core memory
|[[PDP-11/45]] ||[[1973]] ||[[UNIBUS]] ||18-bit ||core memory
|-
|-
|[[PDP-11/50]] ||([[1975]]) ||[[UNIBUS]] ||18-bit ||MOS memory
|[[PDP-11/50]] ||[[1975]] ||[[UNIBUS]] ||18-bit ||MOS memory
|-
|-
|[[PDP-11/70]] ||([[1975]]) ||[[UNIBUS]] ||22-bit ||
|[[PDP-11/70]] ||[[1975]] ||[[UNIBUS]] ||22-bit ||
|-
|-
|[[PDP-11/03]] ||([[1975]]) ||[[QBUS]] ||16-bit ||first QBUS model, first F-11
|[[PDP-11/03]] ||[[1975]] ||[[QBUS]] ||16-bit ||first QBUS model, first F-11
|-
|-
|[[PDP-11/34]] ||([[1976]]) ||[[UNIBUS]] ||18-bit ||
|[[PDP-11/34]] ||[[1976]] ||[[UNIBUS]] ||18-bit ||
|-
|-
|[[PDP-11/04]] ||([[1976]]) ||[[UNIBUS]] ||16-bit ||
|[[PDP-11/04]] ||[[1976]] ||[[UNIBUS]] ||16-bit ||
|-
|-
|[[PDP-11/55]] ||([[1976]]) ||[[UNIBUS]] ||18-bit ||fast bipolar memory
|[[PDP-11/55]] ||[[1976]] ||[[UNIBUS]] ||18-bit ||fast bipolar memory
|-
|-
|[[PDP-11/60]] ||([[1977]]) ||[[UNIBUS]] ||18-bit ||writable control store
|[[PDP-11/60]] ||[[1977]] ||[[UNIBUS]] ||18-bit ||writable control store
|-
|-
|[[PDP-11/23]] ||([[1979]])  ||[[QBUS]] ||18-bit ''or'' 22-bit ||
|[[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-11/24]] ||[[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-11/44]] ||[[1979]] ||[[UNIBUS]] ||22-bit ||last non-LSI PDP-11
|-
|-
|[[PDP-11/23 PLUS|PDP-11/23+]] || ([[1981]]) ||[[QBUS]] ||22-bit ||
|[[PDP-11/23 PLUS|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-11/73]] || [[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-11/53]] || [[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-11/83]] ||[[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-11/84]] ||[[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-11/93]] ||[[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
|[[PDP-11/94]] ||[[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 22:46, 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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