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Encyclopedia > WRAM

Window RAM or WRAM is an obsolete type of semiconductor computer memory that was designed to replace video RAM (VRAM) in graphics adapters. It was developed by Samsung and also marketed by Micron Technology, but had only a short market life before being superseded by SDRAM (synchronous DRAM) and SGRAM (synchronous graphics RAM).


WRAM has a dual-ported dynamic RAM structure similar to that of VRAM, with one parallel port and one serial port, but has extra features to enable fast block copies and block fills (so-called window operations). It has a 32-bit wide host port to enable optimal data transfer in PCI and VESA Local Bus systems. It is sometimes erroneously called Windows RAM, because of confusion with the Microsoft Windows operating systems, to which it is unrelated.


  Results from FactBites:
 
WRAM 【Window RAM 】 (Window Random Access Memory) - e-Words - A Glossary of Computers and Internet (135 words)
Window RAM or WRAM is a dual-ported memory type which is similar to VRAM.
However WRAM is no longer to be found on new devices; for graphics cards, it was rapidly superseded by SGRAM and DDR-SDRAM.
WRAM was used by Matrox on both their MGA Millennium and Millennium II video cards.
Window RAM - Wikipedia, the free encyclopedia (154 words)
Window RAM or WRAM is an obsolete type of semiconductor computer memory that was designed to replace video RAM (VRAM) in graphics adapters.
It was developed by Samsung and also marketed by Micron Technology, but had only a short market life before being superseded by SDRAM (synchronous DRAM) and SGRAM (synchronous graphics RAM).
WRAM has a dual-ported dynamic RAM structure similar to that of VRAM, with one parallel port and one serial port, but has extra features to enable fast block copies and block fills (so-called window operations).
  More results at FactBites »

 
 

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