Difference between revisions of "PDP-11"

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=== PDP-11 Models and notes ===
 
=== PDP-11 Models and notes ===
 
{| border="1"
 
{| border="1"
−
! 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 22:45, 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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