PDP-11: Difference between revisions
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|MOS memory | |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 PLUS|PDP-11/23+]] | |||
|([[1981]]) | |||
|[[QBUS]] | |||
|22-bit | |||
| | |||
|- | |||
|[[PDP-11/73]] | |||
|([[1983]]) | |||
|[[QBUS]] | |||
|22-bit memory addressing | |||
|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 | |||
|} | |} | ||
[[Category:DEC architectures]] | [[Category:DEC architectures]] | ||
Revision as of 22:35, 15 May 2007
The PDP-11 is a series of computers introduced in 1970 by Digital Equipment Corporation (DEC).
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 memory addressing | 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 |
