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HP PA-RISC 7300LC microprocessor HP 9000 C110 PA-RISC workstation booting Debian GNU/Linux. Precision Architecture RISC (PA-RISC) or Hewlett Packard Precision Architecture (HP/PA or simply HPPA), is a general purpose computer instruction set architecture (ISA) developed by Hewlett-Packard from the 1980s until the 2000s.
HP 2100A HP 1000 E-Series minicomputer with a 9895A dual 8-inch "flexible disc memory" drives. The HP 2100 is a series of 16-bit minicomputers that were produced by Hewlett-Packard (HP) from the mid-1960s to early 1990s.
The PA-8000 is a four-way superscalar microprocessor that executes instructions out-of-order and speculatively. [1] [4] These features were not found in previous PA-RISC implementations, making the PA-8000 the first PA-RISC CPU to break the tradition of using simple microarchitectures and high-clock rate implementation to attain performance.
In August 1995, HP released the first computer in the Pavilion line known as the HP Pavilion 5030, an IBM PC–compatible desktop computer designed for multimedia use. While it was not the first multimedia PC the company made, it was the first computer made by HP that was designed specifically for the home market.
For example, an upgrade of RAM may not be compatible with existing RAM in a computer. Other hardware components may not be compatible after either an upgrade or downgrade, due to the non-availability of compatible drivers for the hardware with a specific operating system. Conversely, there is the same risk of non-compatibility when software is ...
Mainboard of a NeXTcube computer (1990) with 32 bit microprocessor Motorola 68040 operated at 25 MHz. At the lower edge of the image and left from the middle, the heat sink mounted directly on the CPU can be seen. There was no dedicated fan for the CPU. The only other IC with a heat sink is the RAMDAC (right from CPU).
Dell Precision T3600 System Motherboard, used in professional CAD Workstations. Manufactured in 2012. A motherboard (also called mainboard, main circuit board, MB, mobo, base board, system board, or, in Apple computers, logic board) is the main printed circuit board (PCB) in general-purpose computers and other expandable systems.
In a CISC processor, the hardware may internally use registers and flag bit in order to implement a single complex instruction such as STRING MOVE, but hide those details from the compiler. The internal operations of a RISC processor are "exposed to the compiler", leading to the backronym 'Relegate Interesting Stuff to the Compiler'. [40] [41]