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Date: Tue, 19 Sep 2000 12:10:54 +0900 (JST)
Message-Id: <200009190310.MAA16975@brain.inf.eng.tamagawa.ac.jp>
From: nork@cityfujisawa.ne.jp (Norikatsu Shigemura)
To: FreeBSD-users-jp@jp.freebsd.org
In-Reply-To: Your message of "Tue, 19 Sep 2000 05:55:17 +0900".
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Subject: [FreeBSD-users-jp 55339] Re: HDD =?ISO-2022-JP?B?GyRCJE4bKEI=?=
 DMA =?ISO-2022-JP?B?GyRCJSglaSE8ISkbKEI=?= 
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$B=EB<K!9n$G$9!#(B

<39C68135316.F2F3YU-NA@192.168.0.100>$B$N5-;v$K$*$$$F(B
yu-na@db3.so-net.ne.jp$B$5$s$O=q$-$^$7$?!#(B

>> 4.1-R$B$r;H$C$F$$$^$9!#(B
>> dmesg$B$K0J2<$N$h$&$J%(%i!<$,=P$F$$$^$7$?!#(B

	$B;d$bF1$8%(%i!<$,=P$^$7$?!#8=:_2r7h$7$F$$$^$9!#(B

>> > ad4: DMA problem fallback to PIO mode
>> $B$3$l$N0UL#$9$k$H$3$m$,$h$/H=$i$J$$$N$G!"BP=h$,=PMh$^$;$s!#(B
>> DMA$B$K$OLdBj$,$"$k$+$i(BPIO$B%b!<%I$r;H$($H$$$&$3$H$J$s$G$7$g$&$+!)!#(B

	$B;H$($G$O$J$/$F(B, $B;H$&$G$9$M(B:-)$B!#(BDMA (Direct Memori Access)$B$KLdBj(B
	$B$,$"$k$N$G(B PIO (Programal Input/Output)$B$K(B fallback ($BBeBX(B?)$B$7$?(B
	$B$H!#(B

>> $B%O!<%I%&%'%"<+BN$O0J2<$N$h$&$KG'<1$7$F$$$^$9!#(B
>> atapci1: <Promise ATA66 controller> port 0xb400-0xb43f,0xb800-0xb803,0xd000-0xd007,0xd400-0xd403,0xd800-0xd807 mem 0xe4800000-0xe481ffff irq
>> 10 at device 10.0 on pci0
>> ata2: at 0xd800 on atapci1
>> ad4: 29314MB <IBM-DTLA-305030> [59560/16/63] at ata2-master using UDMA66

>> $B$3$l!"$I$C$A$bGc$C$?$P$C$+$j$J$N$K2u$l$F$k$H$+(B...$B!#(B
>> $B:rF|$NCk4V$K(B1$BEY5/$3$C$?$@$1$G!"$"$H$O2?;v$b$J$/F0$$$F$k$N$GIT5$L#$G$9!#(B
>> $B2r7h$X$N%R%s%H$r$I$J$+$?<($7$FD:$1$l$P$"$j$,$?$$$G$9!#(B

	$B;d$N;~$b$=$&$G$7$?$,(B, $B%$%s%?!<%U%'!<%9(B, $B%O!<%I%G%#%9%/$H$$$&$h$j$b(B,
	$B%1!<%V%k$NLdBj$+$H!#(BUDMA33 $B$K$b$J$i$J$$$H$3$m$+$i8+$F(B, $BIJ<A$KLdBj$,(B
	$B$"$k$H;W$$$^$9(B($B;d$b8r49$7$?(B:-)$B!#(B
