|
|
Programming Interface for Bus Master IDE Controller Revision 1.0/ _3 {% j* T6 O9 \- G
1994/05/166 l1 v2 r( L* o4 g2 S
5 d3 C9 w" t3 c; B8 l
This document defines a register level programming interface for a bus master ATA compatible (IDE) disk2 Y9 W! ]" R, ~$ A" H* o2 k! h
controller that directly moves data between IDE devices and main memory. By performing the IDE data
8 G& w" r' ?0 n; p1 M& j# E5 Ttransfer as a bus master, the Bus Master Device offloads the CPU (no programmed IO for data transfer)' f* H, `! `8 @/ ^
and improves system performance in multitasking environments.
+ k" W. M0 s$ v1 e" }0 n1 d1 k' o& q" c v# K" E& i# a
Until this specification is ratified, it is solely5 p0 P$ N9 ?2 G* b. G
owned and maintained by:" o3 Q- z/ M7 Y) x" d
Brad Hosler, Intel Corporation. n9 u* n+ F! l3 |" o3 T5 v
bwh@salem.intel.com (please comment using email)
* ^" F$ U, l( G4 ~ r3 W503-696-8431 |
|
IP卡
狗仔卡
发表于 2010-7-14 14:53:56
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡