PDP 9 Simulator Configuration

The PDP-9, introduced in 1967, was DEC's fourth 18-bit computer system. It was upward compatible from the PDP-7, introducing a more advanced form of memory management. A cost-reduced version, the PDP-9/L, was introduced in 1968.

Photographs:

• PDP-9 (courtesy of Digital Equipment Corporation)

Option	Description	Capacity
CPU and memory	PDP-9	4KW - 32KW
CPU options	KE09A EAE, extended arithmetic element
	KG09A memory extension control
	KP09A power fail detection
	KX09A memory protection control
Console	KSR-33 Teletype
Additional terminals	LT09 and KSR-33 Teletypes	1-4 lines
Paper tape	PC09A paper tape reader and punch
Real time clock	integral
Line printer	Type 647E line printer (sixbit ASCII)
	LP09 line printer (sevenbit ASCII)
DECtape	TC02/TU55 DECtape	148KW
Disk	RF09/RS09 fixed head disk	2.1MW
	RB09 fixed head disk	1MW
Magnetic tape	TC59 magnetic tape (9 track only)