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Message-ID: <3B1AD023.B9F21F1@mic.mitsumi.co.jp>
Date: Mon, 04 Jun 2001 09:02:43 +0900
From: Akira Ikeuchi <a_ikeuchi@mic.mitsumi.co.jp>
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Subject: [FreeBSD-users-jp 62006] Re: DVD on 	ATA66
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$BCSFb$G$9!#(B

$B$A$g$C$H$O$:$7$F$$$k$+$b$7$l$^$;$s$,!"(B

"m.kaneko" wrote:
>   $B$W$i$C$H%[!<%`$5$s$+$i$G$?(B FreeBSD 4.3 RELEASE $B$N(B DVD $B$r9XF~$7!"%$%s%9(B
>   $B%H!<%k$r$7$F$$$k$N$G$9$,!"%U%!%$%k$NE83+$,0[MM$KCY$/G:$s$G$$$^$9!#(B
>   (40.0Kbyte/s $B$[$I(B)
> 
>   $B%^%6!<%\!<%I(B : $B%.%,%P%$%H(B GA-BX200+
>   DVD drive : $B%Q%$%*%K%"(B DVD-115
> 
>   $B$3$N%^%6!<%\!<%I$OI8=`(B(?)$B$N(B E-IDE $B%]!<%H$H$OJL$K(B ATA66 $B$N%]!<%H$,$"$j!"(B
>   HDD (2$BBf(B) $B$O(B ATA66 $B%]!<%H$N%W%i%$%^%j$K7R$2!"(BDVD drive $B$r(B ATA66 $B$N(B
>   $B%;%+%s%@%j(B-$B%^%9%?(B $B$K7R$2$F$$$^$9!#(B
>   $B%G%P%C%02hLL$K$O!"(B
>   > acd0:READ_BIG - ABORTED COMMAND asc=48 ascq=00 error=00
>   $B$H$$$&!"%a%C%;!<%8$,I=<($5$l$^$9!#(B
> 
>   $B$"$^$j$KCY$$$N$G!"(BE-IDE $B$N%;%+%s%@%j$K7R$2$F%$%s%9%H!<%k$r$7$?$N$G$9$,!"(B
>   ATA66 $B$K7R$2$?(B DVD drive $B$,$&$^$/F0$+$J$$860x$K$O2?$,9M$($i$l$k$G$7$g$&$+(B?
>   $B%"%I%P%$%9$r$$$?$@$1$?$i9,$$$G$9!#(B

4.2-RELEASE $B$N(B /usr/src/sys/dev/ata/ata-dma.c $B$r8+$k$H!"(B

/* the Promise can only do DMA on ATA disks not on ATAPI devices */
(Promise $B$O(B ATA $B%G%#%9%/$N$_$G(B DMA $B$r9T$J$&$3$H$,=PMh!"(B
ATAPI $B%G%P%$%9$G$O(B DMA $B$r9T$J$($^$;$s!#(B) $B$H$$$&$3$H$N$h$&$G$9!#(B

$B$H$$$&9T$,8+$D$+$j$^$9!#%^%6!<%\!<%I$K>h$C$F$$$k(B ATA66 $B%A%C%W%;%C%H$,(B
Promise $B$N%A%C%W$@$C$?$j$7$^$;$s$+(B?
