PDP-11 Simulator Configuration

The PDP-11 was the most popular 16-bit minicomputer. Introduced by DEC in 1970, it remained in active production until 1996. The PDP-11 family included many processor designs (photographs courtesy of Digital Equipment Corporation):

Option Description Capacity
CPU and memory 19 models supported (Unibus and Qbus) 16KB - 4MB
CPU options Memory management unit (MMU)
Floating instruction set (FIS)
Floating point processor (FPP)
Commercial instruction set (CIS)
KE11-A extended arithmetic element (EAE, 11/20 only)
KG11-A communications arithmetic option
RH11/RH70 Massbus controllers 1-3
Console DL11 full duplex asynchronous interface
Paper tape PC11 paper tape reader and punch
Real time clock KW11L real-time clock
KW11P programmable real-time clock
Card reader CR11/CD11 card reader
Line printer LP11 line printer
Asynchronous interfaces DC11 asynchronous interface 1-16 lines
KL11/DL11 asynchronous interface 1-16 lines
Terminal multiplexor DZ11 multiplexor 8-32 lines
DHQ11 multiplexor 8-32 lines
Floppy Disk RX11/RX01 single density floppy disk 256KB
RX211/RX02 double density floppy disk 512KB
Fixed head disk RC11 fixed head disk 64-256KW
RF11 fixed head disk 256-2048KW
RS03/RS04 Massbus fixed-head disks 256KW-512KW
Moving head disk RK11/RK05 cartridge disk 2.5MB
RL11(RLV12)/RL01-RL02 cartridge disk 5-10MB
RK611/RK06-RK07 cartridge disk 13-26MB
RM03, RM05 Massbus disk packs 67-256MB
RM80 Massbus non-removable disk 124MB
RP04 (RP05), RP06 Massbus disk packs 87-174MB
RP07 Massbus non-removable disk 516MB
RQDX3-UBA11/RX50,RX33 floppy disks .4-1.2MB
RQDX3-UBA11/RD51,RD52,RD53,RD54,RD31 disks 10.8-155.6MB
RQDX3-UBA11/RA60,RA71,RA72,RA73,RA81,RA82,RA90,RA92 disks 200-1960MB
DECtape TC11/TU56 DECtape 296KB
Cassette tape TA11/TU60 cassette tape 93KB
Magnetic tape TM11/TE10 800bpi 9 track magnetic tape
TS11/TSV05 1600bpi 9 track magnetic tape
TM03/TE16,TU45,TU77 Massbus 1600bpi 9 track magnetic tape
TQK50/TK50 TMSCP magnetic tape
Network DELQA/DEQNA Qbus Ethernet controller
DEUNA/DELUA Unibus Ethernet controller


Updated 24-Feb-2019 by Bob Supnik (simh AT trailing-edge DOT com - anti-spam encoded)