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Memory Type Range Registers
<architecture, video> (MTRR) Registers in the Pentium Pro
and Pentium II processors that can be used to specify a
strategy for communication with the external memory and
caches for a number of physical address ranges.
Strategies include write-through, write-back, or
uncached(?). Such control is useful where the memory is
located on a device and is accessed via some kind of device
bus, e.g. a PCI or AGP graphics card, where caching
would be of no benefit.
(1999-07-02)
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Nearby terms:
memory mapped I/O « memory protection « memory smash « Memory Type Range Registers » MEMS » Mentat » MENTOR
This article was derived from the Free Online Dictionary of Computers and is available under ther terms of the GNU Free Documentation License.
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