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Bus Mastering
This is the process of a device taking
over the bus and bypassing the CPU. This is somewhat similar to DMA
except that the device does not use DMA channels but accesses the bus
(PCI for example) directly to transfer data. For example, bus mastering
hard drives is common in modern computers. Bus mastering requires a
true multitasking CPU (Pentium II or later) and a multitasking operating
system such as Windows NT, Windows 2000, and Windows XP.
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CertiGuide to A+ (A+ 4 Real) (http://www.CertiGuide.com/apfr/) on CertiGuide.com
Version 1.0 - Version Date: March 29, 2005
Adapted with permission from a work created by Tcat Houser et al.
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