The 1090 (PDP-10, DECsystem-10, KL10) is a 36-bit computer made by DEC in the late 70s. It could be considered a small mainframe.
This one has 6 cabinets of core memory, with 256 kilowords apiece, for a total of 1.5 megawords.
|Manufacturer||Digital Equipment Corporation|
|Model||PDP-10 Model 1090 (KL-10D)|
|Word Size||36 bits|
|Implementation||Emitter Coupled Logic SSI|
|Registers||16 (15 index)|
|Logical Address||18 bits (256 kW)|
|Physical Address||22 bits (4 megawords)|
|Memory Type||Ferrite core, third-party MOS|