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Flip Chip from a DEC KA10, containing 9 transistors, 1971 Quick Latch Memory Bus Terminator, used on KI10, 1973 KL10 Wire-Wrap CPU Backplane. The original PDP-10 processor is the KA10, introduced in 1968. [7] It uses discrete transistors packaged in DEC's Flip-Chip technology, with backplanes wire wrapped via a semi-automated manufacturing process.
Model As used the original PDP-10 memory bus, with external memory modules. The later Model B processors used in the DECSYSTEM-20 used internal memory, mounted in the same cabinet as the CPU. The Model As also had different packaging; they came in the original tall PDP-10 cabinets, rather than the short ones used later on for the DECSYSTEM-20.
The other model may contain one to five 5.25-inch full-height non-removable, one 5.25-inch removable and two 5.25-inch half-height removable devices. In both models, a 400 W power supply is located at the rear of the drawer. The H9A00 enclosure, a 19-inch rack, contains a minimum of one CPU drawer and one mass storage drawer. A power controller ...
The PDP-10 was widely used in university settings, and thus was the basis of many advances in computing and operating system design during the 1970s. DEC later re-branded all of the models in the 36-bit series as the "DECsystem-10", and PDP-10s are generally referred to by the model of their CPU, starting with the "KA10", soon upgraded to the ...
TOPS-20 was based upon the TENEX operating system, which had been created by Bolt Beranek and Newman for Digital's PDP-10 computer. After Digital started development of the KI-10 version of the PDP-10, an issue arose: by this point TENEX was the most popular customer-written PDP-10 operating systems, but it would not run on the new, faster KI-10s.
This compromise impacted system sales; by this point TENEX was the most popular customer-written PDP-10 operating systems, but it would not run on the new, faster KI-10s. To correct this problem, the DEC PDP-10 sales manager purchased the rights to TENEX from BBN and set up a project to port it to the new machine. At around this time Murphy ...
The Model 700 used the KA7AB CPU module containing a 133.33 MHz (7.5 ns cycle time) NVAX++, and the Model 800 used the KA7AC CPU module featuring a 170.9 MHz NVAX++. The CPU modules had two LEVI gate arrays which interfaced the microprocessor to the Laser System Bus , the system bus.
Each member of the Model 200 Series had a unique CPU subsystem. The Model 200's CPU subsystem is located on the KN02 system module and contains a chipset composed of the R3000 CPU, R3010 FPU and R3220 MB (six-stage write/memory buffer). Also part of the subsystem is the processor's external 64 KB instruction cache and 64 KB write-through data ...
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