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Date: Fri, 25 May 2001 00:49:12 +0900
From: Masashi CHIBA <m_chiba@f7.dion.ne.jp>
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Subject: [FreeBSD-users-jp 61790] Re: FreeBSD4.2-R(98)
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$B$3$s$K$A$O!#@iMU$G$9!#(B

From: "Hirokazu WATANABE" <gwna@geocities.co.jp>
Subject: [FreeBSD-users-jp 61769] Re: FreeBSD4.2-R(98) $B$K$*$1$k(B UIDE-9	8 $B$N%+!<%M%k5-=RK!(B
Date: Thu, 24 May 2001 13:31:28 +0900

> > 
> > ad0: 19541MB <Maxtor 52049H3> [39704/16/63] at ata2-master UDMA33
> > ad1: 3098MB <WDC AC23200L> [46664/8/17] at ata2-slave UDMA33
> > acd0: CDROM <CD-ROM CDU511-NE> at ata3-master using PIO3
> 
> $B$U$`!"(Bprimary $B$KFsK\7R$0$H$I$A$i$b(B DMA $BE>Aw2DG=$J$s$G$9$M!#%Q%U%)!<%^%s%9(B
> $B$,$I$&$J$k$N$+:#EY;n$7$F$_$h$&!#(B
> $B!t(BUIDE-66 $B$@$H2?$+0c$$$^$9$+$M!DLLGr$=$&$J$iGc$C$F$_$k$s$G$9$1$I!#(B
> 

[FreeBSD-users-jp 61705] $B$G$b7Z$/$U$l$^$7$?$,!"KM$N4D6-$N>l9g!"(BPIO $B%b!<(B
$B%I$K$7$J$$$H0BDj$7$FF0:n$7$J$$$?$a!"$3$N(B 2$BBf$N(B HDD $B$,(B $B!V0BDj$7$?!W(BDMA 
$BE>Aw$,2DG=$+$I$&$+$r3NG'$G$-$kN)>l$K$"$j$^$;$s!#(BHDD $B$,(B primary master 
$B$N$_$N>l9g$G$b!"(BDMA $B%b!<%I$G$OIT0BDj$G$9!#(B3.3R-Rev01 $B$G$b(B $BIT0BDj$@$C$?(B
$B$N$G!"!VKM$N4D6-$@$1FC<l$J$N$+$J!W$HG'<1$7$F$$$^$9!#(B

# DMA $BE>Aw$,2DG=$J$s$FA"$^$7$$$G$9!#(Bad0 $B$O(B UltraATA/100 $BBP1~(B $B$J$N(B
# $B$K!&!&!&!#(B

$B0BDj@-$O$H$b$+$/!"$"$/$^$G$b!"%Q%U%)!<%^%s%9$r%A%'%C%/$7!"$=$N7k2L$+$i(B
DMA $BE>Aw$,2DG=$+$I$&$+$rH=CG$9$Y$/!"$^$?$b$A$g$C$H$7$?<B83$r9T$C$F$_$^(B
$B$7$?!#(B

# sysctl -a | grep atamodes
hw.atamodes: pio,pio,pio,---,
#  dd if=/dev/rad0 of=/dev/null bs=1m count=100 
100+0 records in
100+0 records out
104857600 bytes transferred in 16.467793 secs (6367435 bytes/sec)

# dd if=/dev/rad1 of=/dev/null bs=1m count=100
100+0 records in
100+0 records out
104857600 bytes transferred in 16.616605 secs (6310411 bytes/sec)

# sysctl -w hw:atamodes=---,---,---,---,dma,dma,pio,---,
hw.atamodes: pio,pio,pio,---, -> dma,dma,pio,---,

% dd if=/dev/rad0 of=/dev/null bs=1m count=100
100+0 records in
100+0 records out
104857600 bytes transferred in 3.566688 secs (29399152 bytes/sec)

% dd if=/dev/rad1 of=/dev/null bs=1m count=100
100+0 records in
100+0 records out
104857600 bytes transferred in 10.261607 secs (10218438 bytes/sec)

# sysctl -a |grep atamodes
hw.atamodes: dma,dma,pio,---,

$B$3$N?tCM!&!&!&!#(BDMA $BE>Aw$,9T$o$l$F$$$k$H$$$($^$9$h$M!)(B (UnixUser
2001$BG/(B3$B7n9f$h$j(B)

# $BKh2sKh2s!"%F%9%H$9$k$@$1$G?=$7Lu$J$$$G$9!#(B

---
$B@iMU(B $B6);N(B <Masashi CHIBA>
mailto:m_chiba@f7.dion.ne.jp
GnuPG fingerprint: 01CE EFA1 FD30 075C C4BC  4687 6F1B 828A 5DC8 A603

