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Programming Interface for Bus Master IDE Controller Revision 1.0

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发表于 2010-7-14 14:53:56 | 显示全部楼层 |阅读模式
Programming Interface for Bus Master IDE Controller Revision 1.0& D4 Z0 X; D: S8 M7 t
1994/05/16
$ d  ~6 [1 X1 z# J
: ~5 V3 E0 O% |: ]! R1 }This document defines a register level programming interface for a bus master ATA compatible (IDE) disk
" j9 L/ t5 Y: Z' R; Zcontroller that directly moves data between IDE devices and main memory. By performing the IDE data
* K/ ]9 v. F$ s: Ytransfer as a bus master, the Bus Master Device offloads the CPU (no programmed IO for data transfer)
& ]9 V1 m7 w) O( P; }! u4 k, a2 ]( Land improves system performance in multitasking environments.
/ f  U7 l; Y* u  l1 ?  U! W- O
: F/ t/ o% Z- F) xUntil this specification is ratified, it is solely& B! K- F7 h$ ?# T7 F( a
owned and maintained by:, C4 i; @0 h( l4 t
Brad Hosler, Intel Corporation
6 A7 N6 E4 G5 W$ P# K* k8 y2 Ibwh@salem.intel.com (please comment using email)9 ^9 S. T* j" T
503-696-8431

Programming Interface for Bus Master IDE Controller Revision 1.0.pdf

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Programming Interface for Bus Master IDE Controller Revision 1.0

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