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To: FreeBSD-tech-jp@jp.freebsd.org, yuki@dayo.ne.jp
In-Reply-To: Your message of "Tue, 3 Aug 1999 17:35:16 +0900 (JST)"
	<199908030835.RAA21396@cocoa.ocn.ne.jp>
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Date: Tue, 03 Aug 1999 23:02:37 +0900
From: haro@tk.kubota.co.jp (Munehiro Matsuda)
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Subject: [FreeBSD-tech-jp 2393] Re: Why doesn't work YMF-724/YMF-744 Legacy
 Audio Block?
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$B$3$s$A$O!#>>ED!w%/%\%?$G$9!#(B

$B;d$bH>G/$[$IA0$K(B ESS$B7O$N%I%i%$%P$r=q$/$?$a!"(BPC/PCI$B$H(BDDMA$B$K$D$$$F(B
$B$$$m$$$mD4$Y$^$7$?!#(B

From: yuki@dayo.ne.jp (ITO Takayuki)
Date: Tue, 3 Aug 1999 17:35:16 +0900 (JST)
::AoiMoe@imou.to (T. SHIOZAKI) writes:
::>$B;d$O$3$N$"$?$j$ONI$/CN$i$J$$(B($B$=$b$=$b(B PC/PCI $B$H(B D-DMA $B$,$I$&$$$&$b$N(B
::>$B$J$N$+$bNI$/$o$+$i$J$$(B)$B$N$G!"$3$NJU$j$r$I$&@_Dj$7$?$i$h$$$+!"(B
::>$B>\$7$$J}$,$$$^$7$?$i!"%"%I%P%$%9$r$*$M$,$$$$$?$7$^$9!#(B
::
::PC/PCI$B$H(BDistributed DMA$B$K$D$$$F$O!"F|7P%P%$%H(B98.9$B$NFC=85-;v$K>\$7$$2r(B
::$B@b$,$"$j$^$9!#A0<T$O$$$o$f$k(BSB-Link$B$N$3$H$G(B($B@53N$K$O(BSB-Link$B$O(BPC/PCI$B$N(B
::$B%5%V%;%C%H(B)$B!"@lMQ$N%1!<%V%k$,I,MW$G$9!#8e<T$O%^%6!<%\!<%I>e$N(BDMA$B%3%s%H(B
::$B%m!<%i$r%A%c%M%kC10L$G;&$7$F(BPCI$B%+!<%IB&$G%(%_%e%l!<%7%g%s$5$;$k$H$$$&(B
::$B$b$N$N$h$&$G!"%1!<%V%k$OITMW$G$9!#(B
::
::http://www.watch.impress.co.jp/pc/docs/article/980729/key40.htm
::http://www.intel.com/pc-supp/platform/ac97/wp/leg_pci.htm

PC/PCI$B$H(BDDMA$B$NHf3S$G$O!"0J2<$N(BURL$B$b;29M$K$J$j$^$9!#(B($B1Q8l$G$9$,(B...)
   http://www.ednmag.com/reg/1995/112395/24df4.cfm

$B$"$H!"(BDDMA$B$N;EMM=q$H$*$\$7$-;qNA$,0J2<$N(B URL$B$K$"$j$^$9!#(B
   http://www.smsc.com/ftppub/chips/papers/dma60.doc

$B$3$N;EMM=q$r4p$K!"(BDDMA$B$N$?$a$N4JC1$J%$%s%?!<%U%'!<%9$r0JA0=q$-$^$7$?!#(B
$BMWK>$,$"$l$P!"(B3.2-STABLE$B$X$N:9J,$r$*Aw$j$7$^$9!#$?$@$7!"$A$c$s$HF0:n(B
$B3NG'$7$F$^$;$s$7!"0lIt(B I/O$B%]!<%H$r(B hardcode$B$7$F$k$N$G!"(BAt your own
risk$B$G(B $B$H$$$&$3$K$J$j$^$9$,(B....

$B$G$O!#(B

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