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<H2><A NAME="s6">6.</A> <A HREF="Serial-HOWTO.html#toc6">$B%7%j%"%k%]!<%H$N@_Dj(B</A></H2>

<H2><A NAME="PCI_"></A> <A NAME="ss6.1">6.1</A> <A HREF="Serial-HOWTO.html#toc6.1">PCI $B%P%9$X$NBP1~$O?J9TCf$G$9(B </A>
</H2>

<P>$B%+!<%M%k(B 2.2 $B$N%7%j%"%k%I%i%$%P$O(B PCI $B%P%9$X$NFCJL$JBP1~$OF~$C$F$$(B
$B$^$;$s!#(B
$B$7$+$7!"%+!<%M%k(B 2.3 $B$H(B 2.4 $B$G$O!"$D$$$K0lIt$N(B PCI $B%7%j%"%k%+!<%I(B($B$*$h(B
$B$S%b%G%`%+!<%I(B)$B$KBP1~$7$^$9!#B?$/$N(B PCI
$B%+!<%I$O!"%I%i%$%P$K$h$kFC<l$J%5%]!<%H$,I,MW$G$9!#%I%i%$%P$O%+!<%I$K(B
$B%G%8%?%kE*$K3JG<$5$l$F$$$k(B ID $B$rFI$_9~$_!"$=$N%+!<%I$K$I$&$d$C$FBP1~$9(B
$B$k$+(B($B$"$k$$$O%5%]!<%H$9$k$+$I$&$+(B)$B$r7h$a$^$9!#3N<B$K(B Windows $B%b%G%`$G(B
$B$O$J$$$K$b$+$+$o$i$:F0:n$7$J$$(B PCI $B%+!<%I$r$*;}$A$G$"$l$P!"$=$N%+!<%I(B
$BMQ$N%I%i%$%P$r:n$k<j=u$1$,$G$-$^$9!#$3$l$r9T$&$K$O!"%7%j%"%k%I%i%$%P$N(B
$B%a%s%F%J$G$"$k(B Theodore (Ted) Y. Ts'o $B$5$s$KO"Mm$9$kI,MW$,$"$j$^$9!#(B
$B$7$+$7!"$^$:$O(B Windows $B%b%G%`$N0lMw$N%5%$%H(B
<A HREF="http://www.o2.net/~gromitkc/winmodem.html">http://www.o2.net/~gromitkc/winmodem.html</A> 
$B$r8+$F!"(BPCI $B%b%G%`$H$=$l$K4XO"$9$kOCBj$N:G?7>pJs$rD4$Y$F$/$@$5$$!#(B</P>
<P>$B$^$?!"(BTed Ts'o $B$K$O(B "lspci -vv" $B$N=PNO$N%3%T!<$H(B PCI $B%b%G%`(B($B$^$?$O(B
$B%7%j%"%k%]!<%H(B)$B$N%b%G%k$H%a!<%+!<$K4X$9$k>\$7$$>pJs$rEE;R%a!<%k$GAw$k(B
$BI,MW$,$"$j$^$9!#(B
$B$=$&$9$l$P!"H`$OF0:n$9$k$+$b$7$l$J$$%F%9%HMQ%I%i%$%P$N>l=j$r$G$-$k(B
$B$@$165$($F$/$l$k$G$7$g$&!#<!$K!"$3$N%I%i%$%P$rF~<j$7$F%3%s%Q%$%k$7$^$9!#(B
$B%+!<%M%k$bB?J,:F%3%s%Q%$%k$9$k$3$H$K$J$k$G$7$g$&!#$=$7$F!"$3$N%I%i%$%P(B
$B$r%F%9%H$7$F$&$^$/F0:n$9$k$+$I$&$+$rD4$Y!"$=$N7k2L$r(B Ted Ts'o $B$KJs9p$7(B
$B$^$9!#>e5-$N<j=gA4$F$r$A$c$s$H9T$&$D$b$j$,$"$k$J$i(B($B$=$7$F$3$NJ8=q$,:G(B
$B?7HG$J$i(B)$B!"H`$KI,MW$J>pJs$rAw$C$F$/$@$5$$!#(B
$B%a!<%k%"%I%l%9$O(B 
<A HREF="mailto:tytso@mit.edu">mailto:tytso@mit.edu</A> $B$G$9!#(B</P>
<P>PCI $B%b%G%`$O$"$^$jI8=`2=$5$l$F$$$^$;$s!#0lIt$N%+!<%I$O(B PC $B$H$NDL?.$K(B
$B%a%$%s%a%b%j$r;H$$$^$9!#(B8 $B7e$N(B 16 $B?J%"%I%l%9$,I=<($5$l$?$i!"$=$N%+!<%I(B
$B$O$*$=$i$/(B Linux $B$G$O;H$($J$$$G$7$g$&!#(B
$B0lIt$N%+!<%I$O!"FC<l$JJ}K!$r;H$o$J$$$H(B IRQ $B$,M-8z$K$J$j$^$;$s!#(B"lspci" 
$B$N=PNO$r8+$l$P!"%+!<%I$,%5%]!<%H$5$l$F$$$k$+$I$&$+$rD4$Y$kLr$KN)$D$G$7$g(B
$B$&!#(B4 $B7e$N(B I/O $B%]!<%H$,I=<($5$l!"D9$$%a%b%j%"%I%l%9$,I=<($5$l$J$1$l$P!"(B
$B$=$N%b%G%`$O(B "setserial" $B$G(B I/O $B%]!<%H$H(B IRQ $B$r@_Dj$9$k$@$1$GF0:n$9$k(B
$B$H;W$$$^$9!#$3$NJ}K!$G(B 3COM 3CP5610 PCI $B%b%G%`$rF0$+$9$N$K@.8y$7$??M$b(B
$B$$$^$9!#(B</P>

<H2><A NAME="irq_io_conf"></A> <A NAME="ss6.2">6.2</A> <A HREF="Serial-HOWTO.html#toc6.2">$B@_Dj$N35MW(B </A>
</H2>

<P> $BB?$/$N>l9g!"@_Dj$O<+F0E*$K9T$o$l$k$N$G!"%f!<%6$,$9$k$3$H$O2?$b$"$j(B
$B$^$;$s!#$7$+$7>l9g$K$h$C$F$O@_Dj$r9T$&I,MW$,$"$j$^$9(B($B$"$k$$$OC1$K@_Dj(B
$B$r3N$+$a$k$@$1$N$3$H$b$"$k$G$7$g$&(B)$B!#$3$&$$$C$?>l9g$K:G=i$K$9$Y$-$3$H(B
$B$O!"(BLinux $B$K$*$1$k%7%j%"%k%]!<%H$N@_Dj$N(B 2 $B$D$NItJ,$rCN$k$3$H$G$9!#(B</P>
<P>$B:G=i$NItJ,(B($BDc%l%Y%k@_Dj(B)$B$O!"(BI/O $B%"%I%l%9!"(BIRQ$B!"L>A0(B(ttyS2 $B$J$I(B)$B$r3d$j(B
$BEv$F$k$3$H$G$9!#$3$N(B I/O $B$H(B IRQ $B$NAH$O!"%O!<%I%&%'%"$H%7%j%"%k%I%i%$%P(B
$B$NN>J}$K@_Dj$7$J$1$l$P$J$j$^$;$s!#$3$l$r4JC1$K!V(BI/O $B$H(B IRQ $B$N@_Dj!W$H8F(B
$B$V$3$H$K$7$^$7$g$&!#(B<CODE>setserial</CODE> $B$O%I%i%$%P$r@_Dj$9$k$?$a$K;H$$$^$9!#(B
PnP $B$N5!9=$d%8%c%s%Q$J$I$O%O!<%I%&%'%"$N@_Dj$KMQ$$$^$9!#>\$7$/$O8e=R$7(B
$B$^$9!#@_Dj$r$9$kI,MW$,$"$k$K$b4X$o$i$:>\$7$$$3$H$,J,$+$C$F$$$J$1$l$P!"(B
$B$9$0$KLdBj$K=P2q$C$F$7$^$&$G$7$g$&!#(B</P>
<P>2 $BHVL\$NItJ,(B($B9b%l%Y%k$N@_Dj(B)$B$OB.EY(B(38.4K $B%S%C%H(B/$BIC$J$I(B)$B$N@_Dj$d%U%m!<(B
$B@)8f$NA*Br$J$I$G$9!#$3$l$O$7$P$7$P(B PPP $B$d(B minicom $B$H$$$C$?DL?.%W%m%0%i(B
$B%`$d!"(Bgetty ($BB>$N?M$,$"$J$?$N%^%7%s$K%m%0%$%s$G$-$k$h$&$K%]!<%H>e$GF0(B
$B:n$7$^$9(B)$B$,9T$$$^$9!#(B
$B$7$+$7!"$3$&$$$C$?%W%m%0%i%`$KBP$7$F$O!"4uK>$9$kB.EYEy$N@_Dj$r%a%K%e!<(B
$B$d@_Dj%U%!%$%k$r;H$C$F9T$&I,MW$,$"$j$^$9!#$3$N9b%l%Y%k$N@_Dj$O!"(B
<CODE>stty</CODE> $B%W%m%0%i%`$K$h$C$F$b9T$($^$9!#(B<CODE>stty</CODE> $B$O!"LdBj$,$"$k;~$K8=(B
$B:_$N>uBV$rI=<($9$k:]$K$bLrN)$A$^$9!#(B
$B>\$7$/$O(B 
<A HREF="Serial-HOWTO-8.html#stty_">stty</A> $B$N>O$r$4Mw$/$@$5$$!#(B
Linux $B$,5/F0$9$k;~$K$O!"$$$/$D$+$N%7%j%"%k%]!<%H$N8!=P$H(B($BDc%l%Y%k(B)$B@_Dj(B
$B$,;n$_$i$l$^$9!#@53N$K$I$&$J$k$N$+$O!"$*;H$$$N(B BIOS, $B%O!<%I%&%'%"!"(B
Linux $B%G%#%9%H%j%S%e!<%7%g%sEy$K$h$C$F0c$$$^$9!#%7%j%"%k%]!<%H$,$&$^$/(B
$BF0:n$7$F$$$k$J$i$P!"2?$b$9$kI,MW$O$"$j$^$;$s!#%"%W%j%1!<%7%g%s%W%m%0%i%`(B
$B$O$?$$$F$$9b%l%Y%k$N@_Dj$r9T$C$F$/$l$^$9$,!"I,MW$J>pJs$rM?$($F$d$kI,MW(B
$B$,$"$k$+$b$7$l$^$;$s!#%W%i%0(B&amp;$B%W%l%$$N%7%j%"%k%]!<%H(B($BFbB"%b%G%`$KAH(B
$B$_9~$^$l$k$3$H$,B?$$$G$9(B)$B$G$O!";v>p$O$:$C$HJ#;($K$J$j$^$9!#Dc%l%Y%k$N(B
$B@_Dj(B(IRQ $B$H(B I/O $B%"%I%l%9$N@_Dj(B)$B$,I,MW$H$J$k>l9g$r0J2<$K<($7$^$9(B:</P>
<P>
<UL>
<LI> 3 $B$D0J>e$N%7%j%"%k%]!<%H$r;H$&M=Dj$N>l9g(B</LI>
<LI>$B?7$7$$%7%j%"%k%]!<%H(B($BFbB"%b%G%`$J$I(B)$B$r%$%s%9%H!<%k$9$k>l9g(B</LI>
<LI>$B%7%j%"%k%]!<%H$GLdBj$,5/$-$?>l9g(B</LI>
</UL>
</P>
<P>$B%P!<%8%g%s(B 2.2 $B0J9_$N%+!<%M%k$G$O!"3d$j9~$_$N6&M-$r;H$($PDc%l%Y%k$N@_(B
$BDj$r9T$o$J$/$F$b(B 3 $B$D0J>e$N%7%j%"%k%]!<%H$r;H$&$3$H$,$G$-$^$9!#$?$@$7!"(B
$B$3$l$,F0:n$9$k$N$O%7%j%"%k%]!<%H$N%O!<%I%&%'%"$,3d$j9~$_$N6&M-$KBP1~$7(B
$B$F$$$k>l9g$@$1$G$9$7!"$=$N@_Dj$b%7%j%"%k%]!<%H$NDc%l%Y%k$N@_Dj$h$j4JC1(B
$B$H$O8@$($^$;$s!#(B
<A HREF="#int_share-2.2">2.2 $B0J9_$N%+!<%M%k$H3d$j9~$_$N6&M-(B</A>
$B$r$4Mw$/$@$5$$!#(B</P>
<P>$BDc%l%Y%k$N@_Dj(B(IRQ $B$H(B I/O $B%"%I%l%9$N@_Dj(B)$B$O!"(B($B9b%l%Y%k$N@_Dj$HHf$Y$k$H(B)
$BHf3SE*LdBj$r5/$3$7$d$9$$$h$&$G$9!#B?$/$N>l9g$O40A4$K<+F0$G!"2?$b@_Dj$9(B
$B$k$3$H$,$J$$$N$K$G$9!#$=$3$G!"$3$N>O$NBgItJ,$O$=$NOCBj$r07$$$^$9!#(B
$B%7%j%"%k%I%i%$%P$,@5$7$$(B IRQ $B$H(B I/O $B%"%I%l%9$rCN$k$^$G$O!"%]!<%H$OA4$/(B
$BF0:n$7$^$;$s!#(BLinux $B$G$O8!=P$5$($5$l$J$$$G$7$g$&!#8!=P$5$l$?$H$7$F$b!"(B
IRQ $B$,4V0c$C$F$$$l$P!"F0:n$O6K$a$FCY$$$+$b$7$l$^$;$s!#(B
<A HREF="Serial-HOWTO-13.html#slow_">$B$3$N>e$J$/CY$$(B: $B%F%-%9%H$,$9$4$/CY$l$F$f$C$/$j2hLL$KI=<($5$l$^$9(B</A>
$B$r8+$F$/$@$5$$!#(B</P>
<P>Wintel $B$N@$3&$G$O!"(BI/O $B%"%I%l%9$H(B IRQ $B$O!V%j%=!<%9!W$H8F$P$l$^$9!#$7$?(B
$B$,$C$F!"2f!9$OFCDj$N%j%=!<%9$r@_Dj$7$F$$$k$3$H$K$J$j$^$9!#(B
$B$7$+$7!"B>$N<oN`$N!V%j%=!<%9!W$,$?$/$5$s$"$k$N$G!"$3$N8@MU$OB>$K?'!9$J(B
$B0UL#$r;}$D$3$H$K$J$j$^$9!#I|=,$K$J$j$^$9$,!"Dc%l%Y%k$N@_Dj$O(B 2 $B$D$NCM(B
(IRQ $BHV9f$H(B I/O $B%"%I%l%9(B)$B$r(B 2 $B$D$N>l=j$K@_Dj$9$k$3$H$G$9(B:</P>
<P>
<OL>
<LI> $B%G%P%$%9%I%i%$%P(B($BB?$/$N>l9g!"5/F0;~$K(B "<CODE>setserial</CODE>" $B$r<B9T$7(B
$B$F@_Dj$7$^$9(B)</LI>
<LI> $B%7%j%"%k%]!<%H$N%O!<%I%&%'%"$=$N$b$N$N%a%b%j%l%8%9%?(B</LI>
</OL>
</P>
<P>$B5/F0(B(= $B%V!<%H;~(B)$B%a%C%;!<%8$r8+$F$/$@$5$$!#$3$l$ODL>o$O@5$7$$$G$9!#$7$+(B
$B$7LdBj$,5/$-$F$$$k>l9g$K$O!"$3$l$i$N%a%C%;!<%8$N0lIt$,%O!<%I%&%'%"$N@5(B
$B$7$$@_Dj$r<($7$F$$$J$$(B($B$=$7$F@5$7$/$J$$$H;W$o$l$k(B)$B2DG=@-$,9b$$$G$9!#(B
<A HREF="#boot_mesgs">I/O $B%"%I%l%9$H(B IRQ: $B5/F0;~$N%a%C%;!<%8(B</A> $B$r(B
$B$4Mw$/$@$5$$!#(B</P>

<H2><A NAME="ss6.3">6.3</A> <A HREF="Serial-HOWTO.html#toc6.3">$BDc%l%Y%k@_Dj$K4X$9$k$"$j$U$l$?4V0c$$(B</A>
</H2>

<P>$BB?$/$N?M$,$d$C$F$7$^$&0lHLE*$J4V0c$$$r<($7$^$9(B:
<UL>
<LI>setserial $B%3%^%s%I(B: (autoconfig $B%*%W%7%g%s$rIU$1$:$K(B) setserial 
$B$r<B9T$7!"%O!<%I%&%'%"$bD4$Y$i$l$?$H;W$$9~$`(B($B<B:]$K$OD4$Y$i$l$^$;$s(B)</LI>
<LI>setserial $B$N%a%C%;!<%8(B: $B5/F0;~$K2hLL$KI=<($5$l$k%a%C%;!<%8$r8+$F!"(B
$B%O!<%I%&%'%"$,<B:]$K@_Dj$5$l$?7k2L$@$H4V0c$C$F?.$8$F$7$^$&(B</LI>
<LI>/proc/interrupts: $B%7%j%"%k%]!<%H$,;H$o$l$F$$$J$$;~$O!"$=$N3d$j9~(B
$B$_$O(B /proc/interrupts $B$K8=$o$l$J$$$,!"$=$l$r8+$F%7%j%"%k%]!<%H$,8+$D$+(B
$B$i$J$$(B($B$"$k$$$O3d$j9~$_$,@_Dj$5$l$F$$$J$$(B)$B$H8m$C$F?.$8$F$7$^$&(B</LI>
<LI>/proc/ioports:
$B$3$N%U%!%$%k$,I=<($9$k$N$O(B setserial $B$H$[$\F1$8(B($B$D$^$j4V0c$C$F$$$k(B
$B2DG=@-$N$"$k(B)$B%G!<%?$G$7$+$J$$$N$K!"$=$l$,<B:]$N%O!<%I%&%'%"@_Dj$@$H;W(B
$B$$9~$s$G$7$^$&(B</LI>
</UL>
</P>

<H2><A NAME="boot_mesgs"></A> <A NAME="ss6.4">6.4</A> <A HREF="Serial-HOWTO.html#toc6.4">I/O $B%"%I%l%9$H(B IRQ: $B5/F0;~$N%a%C%;!<%8(B </A>
</H2>

<P> $BB?$/$N>l9g!"%]!<%H$NDc%l%Y%k$N@_Dj$O5/F0;~$K<+F0E*$K9T$o$l$^$9(B($B$7(B
$B$+$7>o$K@5$7$$$H$O8B$j$^$;$s(B)$B!#2?$,5/$-$F$$$k$+D4$Y$k$K$O!"2hLL>e$N5/(B
$BF0%a%C%;!<%8$r8+$^$7$g$&!#(BLinux $B$,%m!<%I$5$l$kA0$K(B BIOS $B$,=P$9%a%C%;!<(B
$B%8(B($BNc$O5s$2$^$;$s(B)$B$N3NG'$bBU$i$J$$$G$/$@$5$$!#$3$N$h$&$J(B BIOS $B$N(B
$B%a%C%;!<%8$N=PNO$O(B Pause $B%-!<$r2!$9$H0l;~E*$K;_$a$k$3$H$,$G$-$^$9!#(B
$B%9%/%m!<%k$7$FN.$l$F$7$^$C$?%a%C%;!<%8$rLa$7$F8+$k$K$O!"(BShift-PageUp 
$B%-!<$r;H$$$^$9!#(BShift-PageDown $B%-!<$r2!$9$HH?BP8~$-$K%9%/%m!<%k$7$^$9!#(B
<CODE>dmesg</CODE> $B%3%^%s%I$r(B
$B;H$($P$$$D$G$b5/F0%a%C%;!<%8$N0lIt$r8+$k$3$H$,$G$-$^$9$,!"Bg;v$JItJ,$,(B
$BH4$1Mn$A$F$$$k$3$H$b$h$/$"$j$^$9!#5/F0%a%C%;!<%8$NNc(B(1999 $BG/H>$P$N;~E@(B)
$B$r0J2<$K<($7$^$9(B: ttyS00 $B$O(B /dev/ttyS0 $B$HF1$8$G$"$kE@$KCm0U$7$F$/$@$5(B
$B$$!#(B</P>
<P>
<BLOCKQUOTE><CODE>
<PRE>
$B8!=P$5$l$?$b$N$,:G=i$KI=<($5$l$^$9(B($B$?$@$7(B IRQ $B$OBg;(GD$K?dDj$7$?$b$N$K(B
$B2a$.$^$;$s(B):

Serial driver version 4.27 with no serial options enabled
ttyS00 at 0x03f8 (irq = 4) is a 16550A
ttyS01 at 0x02f8 (irq = 3) is a 16550A
ttyS02 at 0x03e8 (irq = 4) is a 16550A

$BJ]B8$5$l$?CM$,8e$GI=<($5$l$^$9$,!"$3$l$b@5$7$$$H$O8B$j$^$;$s(B:

Loading the saved-state of the serial devices...
/dev/ttyS0 at 0x03f8 (irq = 4) is a 16550A
/dev/ttyS1 at 0x02f8 (irq = 3) is a 16550A
/dev/ttyS2 at 0x03e8 (irq = 5) is a 16550A
</PRE>
</CODE></BLOCKQUOTE>
</P>
<P>$B$A$g$C$H$7$?IT0lCW$,$"$kE@$KCm0U$7$F$/$@$5$$!#:G=i$N%a%C%;!<%8$G$O(B 
IRQ=4 $B$K(B ttyS2 $B$,$"$k$h$&$KI=<($5$l$F$$$^$9$,!"FsHVL\$N%a%C%;!<%8$G$O(B 
IRQ=5 $B$K$J$C$F$$$^$9!#:G=i$N%a%C%;!<%8$7$+I=<($5$l$J$$$+$b$7$l$^$;$s!#(B
$B$[$H$s$I$N>l9g$O:G8e$KI=<($5$l$k$b$N$,@5$7$$%a%C%;!<%8$G$9!#$7$+$7LdBj(B
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Linux $B$,;~!9(B
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<H2><A NAME="what_is_io_irq"></A> <A NAME="ss6.5">6.5</A> <A HREF="Serial-HOWTO.html#toc6.5">$B%7%j%"%k%]!<%H$N8=:_$N(B I/O $B%"%I%l%9$H(B IRQ $B$N@_Dj$O(B?</A>
</H2>

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<H3><A NAME="io-irq_in_hdw"></A> $B%7%j%"%k%]!<%H$N%O!<%I%&%'%"$N@_Dj$O(B? </H3>

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<H2><A NAME="ss6.6">6.6</A> <A HREF="Serial-HOWTO.html#toc6.6">$B%7%j%"%k$N(B IRQ $B$NA*Br(B</A>
</H2>

<P> OS $B$+(B PnP BIOS $B$,A4$F$N%G%P%$%9$r@_Dj$9$k$H$$$&K\J*$N%W%i%0(B&amp;$B%W(B
$B%l%$@_Dj$r9T$C$F$$$k$J$i$P!"(BIRQ $B$rA*$V$3$H$O$"$j$^$;$s!#(BPnP $B$O:G$bNI$$(B
$B$H;W$o$l$k3d$jEv$F$rA*$s$G$3$l$r@_Dj$7$^$9!#$7$+$7!"(BLinux $B$G%W%i%0(B
&amp;$B%W%l%$MQ$N%D!<%k(B(isapnp $B$H(B pcitools)$B$r;H$C$F$$$k>l9g$K$O!"(BIRQ $B$N(B
$BA*Br$r9T$&I,MW$,$"$j$^$9!#;H$$$?$$(B IRQ $B$r4{$KCN$C$F$$$k>l9g$K$O!"$3$N(B
$B@a$rHt$P$7$F$b$+$^$$$^$;$s$,!"(BIRQ 0 $B$N;H$$J}$,FC<l$G$"$k$3$H$@$1$OCN$C(B
$B$F$*$$$F$/$@$5$$(B($B<!$NCJMn$rFI$s$G$/$@$5$$(B)$B!#(B</P>

<H3>IRQ 0 $B$O(B IRQ $B$G$O$J$$(B</H3>

<P> IRQ 0 $B$O<B:]$K$O(B($B%O!<%I%&%'%"$G$O(B)$B%?%$%^$G$9$,!"(Bsetserial $B$r;H$C$?(B
$B%7%j%"%k%]!<%H$N@_Dj$K$*$$$F$OFC<l$J0UL#$r;}$C$F$$$^$9!#$3$N;XDj$O!"(B
$B$=$N%]!<%H$K$O3d$j9~$_$,$J$$$3$H$r%I%i%$%P$KEA$(!"%I%i%$%P$O%]!<%j%s%0(B
$B$r;H$C$?F0:n$r9T$$$^$9!#%]!<%j%s%0$OHs>o$K8zN($,0-$$$N$G$9$,!"3d$j9~$_(B
$B$,>WFM$7$?>l9g$d!"3d$j9~$_$N@_Dj%_%9$,$"$C$?>l9g$K$O;n$9$H$h$$$G$7$g$&!#(B
IRQ 0 $B$r@_Dj$9$kMxE@$O!"%O!<%I%&%'%"$K@_Dj$5$l$F$$$k3d$j9~$_HV9f$rCN$k(B
$BI,MW$,$J$$E@$G$9!#(BIRQ 0 $B$O!"<B:]$K;H$($k3d$j9~$_$,8+$D$+$k$^$G$N5^>l$r(B
$B$7$N$0$?$a$@$1$K;H$&$Y$-$G$9!#(B</P>

<H3><A NAME="int_share-2.2"></A> $B3d$j9~$_$N6&M-$H%P!<%8%g%s(B 2.2 $B0J9_$N%+!<%M%k(B </H3>

<P> $B0lHLE*$J5,B'$G$O!"A4$F$N%G%P%$%9$,8GM-$N(B IRQ $B$r;}$A!"(BIRQ $B$N6&M-$r(B
$B9T$o$J$$$3$H$K$J$C$F$$$^$9!#$7$+$7BgDq$N%^%k%A%]!<%H$r;H$&>l9g$N$h$&$K!"(B
IRQ $B$N6&M-$,5v$5$l$F$$$k>l9g$b$"$j$^$9!#$?$@$7!"6&M-$,5v$5$l$F$$$k$H$7(B
$B$F$b!"8zN($ONI$/$J$$$+$b$7$l$^$;$s!#$H$$$&$N$b!"6&M-$5$l$F$$$k3d$j9~$_(B
$B$,M?$($i$l$kEY$K!"$I$3$G3d$j9~$_$,H/9T$5$l$?$N$+$rD4$Y$J$1$l$P$J$i$J$$(B
$B$+$i$G$9!#$7$?$,$C$F!"2DG=$G$"$l$P!"A4$F$N%G%P%$%9$K8GM-$N3d$j9~$_$rM?(B
$B$($k$H$$$$$G$7$g$&!#(B</P>
<P>$B%P!<%8%g%s(B 2.2 $B$h$jA0$N%+!<%M%k$G$O!"(BIRQ $B$O$[$H$s$I$N%^%k%A%]!<%H%\!<(B
$B%IF1;N$@$1$G$7$+6&M-$G$-$^$;$s$G$7$?!#%P!<%8%g%s(B 2.2 $B0J9_$N%+!<%M%k$O!"(B
$B>l9g$K$h$C$F$OA4$F$N%7%j%"%k%]!<%H$G(B IRQ $B$r6&M-$G$-$^$9!#%P!<%8%g%s(B 
2.2 $B$N%+!<%M%k$G6&M-$rF0:n$5$;$k$K$O!"(BCONFIG_SERIAL_SHARE_IRQ $B$r@_Dj$7(B
$B$F%+!<%M%k$r%3%s%Q%$%k$7$J$1$l$P$J$j$^$;$s!#$^$?!"%7%j%"%k%]!<%H$N%O!<(B
$B%I%&%'%"$b6&M-$KBP1~$7$F$$$J$1$l$P$J$j$^$;$s(B($BBP1~$7$F$$$l$P!"(B2 $B$D$N(B
$B%7%j%"%k%+!<%I$,(B 1 $B$D$N3d$j9~$_@~$K0[$J$kEE05$rN.$7$F$b!"!V$3$l$,(B
$B3d$j9~$_$G$9!W$H$$$&0UL#$NEE05$7$+<u$1<h$i$l$^$;$s(B)$B!#(B
$B$h$C$F%P!<%8%g%s(B 2.2 $B$N%+!<%M%k$G$"$C$F$b!"3d$j9~$_$N6&M-$O$7$J$$J}$,(B
$BNI$$$+$b$7$l$^$;$s!#(B</P>

<H3>$B$I$N(B IRQ $B$rA*$V$+(B?</H3>

<P> $B%7%j%"%k%]!<%H$N%O!<%I%&%'%"$K$O!"8B$i$l$?(B IRQ $B$7$+@_Dj$G$-$J$$$3(B
$B$H$,$h$/$"$j$^$9!#$7$+$7(B IRQ $B$,>WFM$9$k$N$b7y$G$7$g$&!#$7$?$,$C$F!"A*Br(B
$B$NM>CO$O$"$^$j$"$j$^$;$s!#(BPC $B$G$OIaDL!"(B<CODE>ttyS0</CODE> $B$H(B <CODE>ttyS2</CODE> $B$,(B 
IRQ4 $B$K!"(B<CODE>ttyS1</CODE> $B$H(B <CODE>ttyS3</CODE> $B$,(B IRQ 3 $B$K$"$j$^$9!#(B
<CODE>/proc/interrupts</CODE> $B$r8+$l$P!"8=:_F0:nCf$N%W%m%0%i%`$,;H$C$F$$$k(B 
IRQ $B$,$I$l$+$o$+$j$^$9!#$3$N$h$&$J(B IRQ $B$O;H$o$J$$J}$,$$$$$G$7$g(B
$B$&!#(BIRQ 5 $B$,%5%&%s%I%+!<%I$K;H$o$l$k$h$&$K$J$kA0$K$O!"%7%j%"%k%]!<%H(B
$B$G$b$h$/;H$o$l$F$$$^$7$?!#(B</P>
<P>$B0J2<$K!"(BGreg (Serial-HOWTO $B$N85!9$NCx<T(B)$B$,$I$N$h$&$K(B 
/etc/rc.d/rc.serial $B$r@_Dj$7$F$$$k$+$r<($7$^$9!#(Brc.serial $B$O5/F0;~$K<B(B
$B9T$5$l$k%U%!%$%k(B($B%7%'%k%9%/%j%W%H(B)$B$G$9(B($B>l=j$dL>A0$O0c$&$3$H$,$"$j$^$9(B)$B!#(B
$B%P!<%8%g%s(B 2.15 $B$h$j8e$N(B "setserial" $B$G$O!"I,$:$7$b$3$N$h$&$K@_Dj$,9T(B
$B$o$l$k$o$1$G$O$"$j$^$;$s$,!"$3$l$O(B IRQ $B$NA*Br$NNc$K$b$J$j$^$9!#(B</P>
<P>
<BLOCKQUOTE><CODE>
<PRE>
/sbin/setserial /dev/ttyS0 irq 3        # $B%7%j%"%k%^%&%9(B
/sbin/setserial /dev/ttyS1 irq 4        # Wyse $B@=$N%@%`C<Kv(B
/sbin/setserial /dev/ttyS2 irq 5        # Zoom $B@=$N%b%G%`(B
/sbin/setserial /dev/ttyS3 irq 9        # US Robotics $B@=$N%b%G%`(B
</PRE>
</CODE></BLOCKQUOTE>
</P>
<P>$BI8=`$N(B IRQ $B3d$jEv$F$r<($7$^$9(B:
<PRE>
        IRQ  0    $B%?%$%^%A%c%M%k(B 0 ($B!V3d$j9~$_L5$7!W$r0UL#$9$k$3$H$b$"$j$^$9!#>\$7$/$O8e=R$7$^$9(B)
        IRQ  1    $B%-!<%\!<%I(B
        IRQ  2    $B%3%s%H%m!<%i(B 2 $B$X$N%+%9%1!<%I(B
        IRQ  3    $B%7%j%"%k%]!<%H(B 2
        IRQ  4    $B%7%j%"%k%]!<%H(B 1
        IRQ  5    $B%Q%i%l%k%]!<%H(B 2, $B%5%&%s%I%+!<%I(B
        IRQ  6    $B%U%m%C%T!<%G%#%9%/(B
        IRQ  7    $B%Q%i%l%k%]!<%H(B 1
        IRQ  8    $B%j%"%k%?%$%`%/%m%C%/(B
        IRQ  9    IRQ2 $B$K%j%@%$%l%/%H(B
        IRQ 10    $B3d$jEv$FL5$7(B
        IRQ 11    $B3d$jEv$FL5$7(B
        IRQ 12    $B3d$jEv$FL5$7(B
        IRQ 13    $B?tCM%3%W%m%;%C%5(B
        IRQ 14    $B%O!<%I%G%#%9%/%3%s%H%m!<%i(B 1
        IRQ 15    $B%O!<%I%G%#%9%/%3%s%H%m!<%i(B 2
</PRE>
</P>

<P>$B3d$j9~$_$rA*$V$?$a$N7hDjE*$JJ}K!$O$"$j$^$;$s!#3d$j9~$_$r%^%6!<%\!<%I$d!"(B
$BB>$N%\!<%I$,;H$C$F$$$J$$$3$H$r3N$+$a$k$7$+$"$j$^$;$s!#(B2, 3, 4, 5, 7,
10, 11, 12, 15 $B$rA*$V$3$H$,$G$-$^$9!#(BIRQ 2 $B$H(B 9 $B$OF1$8$G$"$k$3$H$KCm0U(B
$B$7$F$/$@$5$$!#(BIRQ 2 $B$H(B 9 $B$N$I$A$i$r;H$C$F$b!"%7%j%"%k%I%i%$%P$O$3$l$r(B
$B$&$^$/G'<1$7$^$9!#Hs>o$K8E$$%7%j%"%k%\!<%I$r$*;H$$$N>l9g$K$O!"(B8 $B0J>e$N(B 
IRQ $B$O;H$($J$$$+$b$7$l$^$;$s!#(B</P>
<P>IRQ 1, 6, 8, 13, 14 $B$O;H$o$J$$$G$/$@$5$$(B! $B$3$l$i$N(B IRQ $B$O%^%6!<%\!<(B
$B%I$,;H$&$+$i$G$9!#%^%6!<%\!<%I$,;H$C$F$$$k(B IRQ $B$r<h$j>e$2$k$H!"$H$F$b(B
$BHa$7$$$3$H$K$J$j$^$9!#@_Dj$,=*$o$C$?$i!"3d$j9~$_$r;H$&%W%m%0%i%`$r<B9T(B
$B$9$k;~$K(B <CODE>/proc/interrupts</CODE> $B$r:F3NG'$7!"(BIRQ $B$N>WFM$,5/$3$C$F$$(B
$B$J$$$3$H$r3N$+$a$F$/$@$5$$!#(B</P>

<H2><A NAME="ss6.7">6.7</A> <A HREF="Serial-HOWTO.html#toc6.7">$B%"%I%l%9$NA*Br(B --ttyS3 $B$H>WFM$9$k%S%G%*%+!<%I(B</A>
</H2>

<P>IBM 8514 $B%S%G%*%+!<%I(B($B$H$=$NN`;wIJ(B)$B$N(B I/O $B%"%I%l%9$O!"J9$/$H$3$m$G(B
$B$O(B 0x?2e8 $B$G$9(B(? $B$O(B 2, 4, 8, 9 $B$N$$$:$l$+(B)$B!#(B16 $B?JCM$N@hF,$N(B 0 $B$G$"$k7e(B
$B$r%7%j%"%k%]!<%H$,L5;k$9$k>l9g$K$O(B($BB?$/$N>l9g$O$=$&$G$9(B)$B!"$3$l$O(B
0x02e8 $B$K$"$k(B <CODE>ttyS3</CODE> $B$H>WFM$9$k$+$b$7$l$^$;$s(B($B$7$+$7!"%7%j%"%k%]!<(B
$B%H$,$&$^$/@_7W$5$l$F$$$l$P>WFM$7$J$$$O$:$G$9(B)$B!#$3$N%"%I%l%9$G(B 
<CODE>ttyS3</CODE> $B$r;H$*$&$H$7$F$$$k>l9g$K$O!"$3$l$O0-$$CN$i$;$G$9!#(B</P>
<P>$B$[$H$s$I$N>l9g$O!"2DG=$G$"$l$P%G%U%)%k%H$N%"%I%l%9$r;H$&$Y$-$G$9!#$3$3(B
$B$G8@$&%"%I%l%9$O!"(B8 $B%P%$%H$NHO0O$N:G=i$N%"%I%l%9$rI=$7$F$$$^$9!#Nc$($P!"(B
3f8 $B$O<B:]$K$O(B 3f8-3ff $B$NHO0O$G$9!#$=$l$>$l$N%7%j%"%k%G%P%$%9$O(B(I/O $B%"(B
$B%I%l%9$rI,MW$H$9$kB>$N%?%$%W$N%G%P%$%9$HF1$8$/(B)$B8GM-$N%"%I%l%9HO0O$rI,(B
$BMW$H$7$^$9!#$3$l$O=E$J$C$F$O(B($B>WFM$7$F$O(B)$B$$$1$^$;$s!#%7%j%"%k%]!<%H$N%G(B
$B%U%)%k%H$N%"%I%l%9$r0J2<$K<($7$^$9(B:</P>
<P>
<BLOCKQUOTE><CODE>
<PRE>
ttyS0 $B$N%"%I%l%9(B 0x3f8
ttyS1 $B$N%"%I%l%9(B 0x2f8
ttyS2 $B$N%"%I%l%9(B 0x3e8
ttyS3 $B$N%"%I%l%9(B 0x2e8
</PRE>
</CODE></BLOCKQUOTE>
</P>

<H2><A NAME="io-irq_methods"></A> <A NAME="ss6.8">6.8</A> <A HREF="Serial-HOWTO.html#toc6.8">I/O $B%"%I%l%9$H(B IRQ $B$N%O!<%I%&%'%"$X$N@_Dj(B ($B<g$K(B PnP $B8~$1(B)</A>
 </H2>

<P>I/O $B%"%I%l%9$H(B IRQ $B$r%O!<%I%&%'%"$K@_Dj$7$?8e$K$O!"(B<CODE>setserial</CODE> 
$B$r;H$C$F%I%i%$%P$r@_Dj$9$k$3$H$bK:$l$J$$$G$/$@$5$$!#(B
$BHs(B PnP $B$N%7%j%"%k%]!<%H$N>l9g$K$O!"(B
$B%]!<%H$N%O!<%I%&%'%"$N@_Dj$O%8%c%s%Q$+!"(B("$B%8%c%s%Q%l%9(B"$B$N>l9g$K$O(B)$B@_Dj(B
$B$r9T$&$?$a$N(B DOS $B%W%m%0%i%`$N<B9T$K$h$C$F9T$$$^$9(B($B$3$N%W%m%0%i%`$G(B PnP 
$B$,L58z$K$J$k$+$b$7$l$^$;$s(B)$B!#(BPnP $B%7%j%"%k%]!<%H$r@_Dj$9$k:]$K9M$($i$l(B
$B$kJ}K!$N%j%9%H$r0J2<$K<($7$^$9(B:</P>
<P>
<UL>
<LI> PnP BIOS $B$N(B CMOS $B@_Dj%a%K%e!<$r;H$&(B($BIaDL$O(B ttyS0 (Com1) $B$H(B 
ttyS1 (Com2) $B$K$"$k30IU$1%G%P%$%9$@$1$K;H$$$^$9(B)</LI>
<LI> PnP BIOS $B$K(B PnP $B%7%j%"%k%]!<%H$r<+F0E*$K@_Dj$5$;$k!#(B
<A HREF="#bios_conf">PnP BIOS $B$r;H$C$?(B I/O $B%"%I%l%9$H(B IRQ $B$N@_Dj(B</A>
$B$r;2>H$7$F$/$@$5$$(B</LI>
<LI> PnP $B%7%j%"%k%]!<%H$H(B PnP $BBP1~$N(B Linux $B$r;H$C$F$$$k$J$i$P2?$b$7(B
$B$J$/$F$+$^$$$^$;$s(B(Plug-and-Play-HOWTO $B$r;2>H(B)</LI>
<LI> PCI $B$G$J$$(B PnP $B%7%j%"%k%]!<%H$N>l9g$K$O(B <CODE>isapnp</CODE> $B$rMQ$$$k(B</LI>
<LI> PCI $B%P%9$N>l9g$K$O(B pciutils (pcitools) $B$rMQ$$$k(B</LI>
</UL>
</P>
<P>I/O $B%"%I%l%9$H(B IRQ $B$OEE8;$rF~$l$kEY$K(B(PnP $B$r;H$C$F(B)$B%7%j%"%k%]!<%H$N%l(B
$B%8%9%?$K@_Dj$7$J$1$l$P$J$j$^$;$s!#$H$$$&$N$b!"(BPnP $B%O!<%I%&%'%"$OEE8;$,(B
$B@Z$i$l$?;~$N@_DjFbMF$r3P$($F$$$J$$$+$i$G$9!#$3$l$r9T$&4JC1$JJ}K!$O(B
PnP OS $B$r;H$C$F$$$J$$$H(B PnP BIOS $B$K65$($F$d$k$3$H$G!"$=$&$9$k$H5/F0$N(B
$BEY$K(B BIOS $B$,<+F0E*$K@_Dj$r9T$$$^$9!#(B
$B$?$@$7!"(B(PnP OS $B$G$"$k(B)Windows $B$r!V(BPnP OS $B$G$O$J$$!W$H(B BIOS $B$KG'<1$5$;(B
$B$?$^$^(B Windows $B$r5/F0$9$k$H!"(BWindows $BB&$GLdBj$,H/@8$9$k$+$b$7$l$^$;$s!#(B
$B>\$7$/$O(B Plug-and-Play-HOWTO $B$r$4Mw$/$@$5$$!#(B</P>
<P>$B%W%i%0(B&amp;$B%W%l%$$O(B I/O $B$H(B IRQ $B$N@_Dj$r<+F02=$9$k$?$a$K@_7W$5$l$^$7$?!#(B
$B$7$+$78=;~E@$N(B Linux $B$G$O!"OC$r$d$d$3$7$/$7$F$$$k$@$1$G$9!#I8=`$N(B 
Linux $B%+!<%M%k$O%W%i%0(B&amp;$B%W%l%$$r$"$^$j$&$^$/%5%]!<%H$7$F$$$^$;$s!#(B
Linux $B%+!<%M%k$r%W%i%0(B&amp;$B%W%l%$(B OS $B$K$9$k%Q%C%A$r;H$C$F$$$k$J$i$P!"(B
$B>e5-$N$3$H$OA4$F(B OS $B$,<+F0E*$K=hM}$G$-$k$O$:$G$9!#$7$+$7!"(B
$B%7%j%"%k%]!<%H0J30$N%G%P%$%9$N@_Dj$r<+F02=$9$k$?$a$K$3$N%Q%C%A$r;H$C$?(B
$B$H$7$F$b!"<jF0$G%I%i%$%P$N@_Dj$r$7$J$1$l$P$J$i$J$$$+$b$7$l$^$;$s!#(B
$B$H$$$&$N$b!"(BLinux $B$N%I%i%$%P$NB?$/$O(B PnP $BBP(B
$B1~$N(B Linux $B8~$1$K=q$+$l$F$$$J$$$+$i$G$9!#(B<CODE>isapnptools</CODE> $B$d(B BIOS $B$r;H$C(B
$B$F%W%i%0(B&amp;$B%W%l%$$N@_Dj$r9T$C$F$$$k$J$i$P!"$3$l$O(B 2 $B$D$NCM$r%b%G%`%+!<(B
$B%I$N%7%j%"%k%]!<%HItJ,$N%l%8%9%?$K@_Dj$9$k$@$1$J$N$G!"(Bsetserial $B$N@_Dj(B
$B$O%f!<%6$,9T$&I,MW$,$"$k$G$7$g$&!#(B1999 $BG/=i$a$N;~E@$G$O!"$3$l$i$N@_Dj(B
$B$O4JC1$G$b$"$j$^$;$s$7!">\$7$$J8=q$b$"$j$^$;$s!#(B
Plug-and-Play-HOWTO $B$H(B isapnptools FAQ $B$r$4Mw$/$@$5$$!#(B</P>

<H3><A NAME="bios_conf"></A> PnP BIOS $B$r;H$C$?(B I/O $B%"%I%l%9$H(B IRQ $B$N@_Dj(B </H3>

<P> PnP OS $B$d(B isapnp $B$r;H$C$F(B I/O $B$H(B IRQ $B$N@_Dj$r9T$&J}K!$N@bL@$O$=$l$i(B
$B$N%=%U%H%&%'%"$KIU$$$F$/$k$O$:$G$9$,!"(BPnP BIOS $B$K$=$&$$$C$?@_Dj$r(B
$B$5$;$h$&$H;W$C$F$$$k>l9g$K$O$=$&$O$$$-$^$;$s!#A4$F$N(B PnP BIOS $B$,$3$l$r9T$($k(B
$B$o$1$G$O$"$j$^$;$s!#(BBIOS $B$K$OIaDL!":G=i$N(B 2 $B$D$N%7%j%"%k%]!<%H$r@_Dj$9(B
$B$k$?$a$N(B CMOS $B%a%K%e!<$,$"$j$^$9!#$3$N%a%K%e!<$O8+$D$1$K$/$$$+$b$7$l$^(B
$B$;$s$,!"(BAward $B@=$N(B BIOS $B$J$i$P(B "chipset features setup" $B$N2<$K$"$j$^$9!#(B
$BB?$/$N>l9g!"$3$3$G$O$[$H$s$I2?$bA*$Y$^$;$s!#B>$N$b$N$,%a%K%e!<$K$J$1$l(B
$B$P!":G=i$N(B 2 $B$D$N%7%j%"%k%]!<%H$K$OI8=`$N(B I/O $B%"%I%l%9$H(B IRQ $B$,@_Dj$5(B
$B$l$^$9!#(B
<A HREF="Serial-HOWTO-7.html#dev_nos">$B%7%j%"%k%]!<%H%G%P%$%9$NL>A0$HHV9f(B</A>$B$r(B
$B$4Mw$/$@$5$$!#(B</P>
<P>$B9%$`$H9%$^$6$k$H$K4X$o$i$:!"(BPC $B$r5/F0$9$k$H(B PnP BIOS $B$,(B PnP $B$K$h$k%O!<(B
$B%I%&%'%"%G%P%$%9$N(B(I/O $B$H(B IRQ $B$N(B)$B@_Dj$r;O$a$^$9!#(BPnP BIOS $B$,9T$&=hM}(B
$B$,IT==J,$G!";D$j$N@_Dj$,(B($BFI<T$N3'$5$s$,$*$=$i$/;}$C$F$$$J$$(B) PnP OS $B$K(B
$B;D$5$l$k$+$b$7$l$^$;$s!#$"$k$$$O(B PnP OS $B$r;}$C$F$$$J$$$H@_Dj$5$l$F$$$k(B
$B>l9g$K$O!"A4$F$N(B PnP $B%G%P%$%9$r40A4$K@_Dj$9$k$+$b$7$l$^$;$s$,!"%G%P%$(B
$B%9%I%i%$%P$N@_Dj$O9T$$$^$;$s!#$3$l$OFI<T$N3'$5$s$,K>$`F0:n$G$9$,!"(BPnP
BIOS $B$,9T$C$?@_Dj$r@53N$KD4$Y$k$3$H$OI,$:$7$bMF0W$G$O$"$j$^$;$s!#(B</P>
<P>PnP OS $B$r;}$C$F$$$J$$$3$H$r(B BIOS $B$K@_Dj$7$F$"$l$P!"(BPnP BIOS $B$O:G=i$N(B 2 
$B$D$@$1$G$J$/A4$F$N(B PnP $B%7%j%"%k%]!<%H$N@_Dj$r9T$&$O$:$G$9!#(B
BIOS $B$NF0:n$r4V@\E*$K@)8f$9$kJ}K!$O(B($B$b$7(B MS Windows9x $B$rF1$8(B PC $B$G;H$C(B
$B$F$$$l$P(B)$B!"(BWindows $B$K$*$1$k@_Dj$r!V6/@)!W$9$k$3$H$G$9!#(B
Plug-and-Play-HOWTO $B$r!V(Bforced$B!W$G8!:w$7$F$/$@$5$$!#(BWindows $B>e$G!V6/@)!W(B
$B$7$?@_Dj$r(B CMOS BIOS $B%a%K%e!<$r;H$C$F>e=q$-$9$k$N$O4JC1$G$9!#(B
$B$3$N!V>e=q$-!W5!G=$N@_Dj!&2r=|$,9T$($k(B BIOS $B%*%W%7%g%s$,$"$k$H;W$$$^$9!#(B</P>
<P>$B?7$7$$(B PnP $B%G%P%$%9$,DI2C$5$l$k$H!"(BBIOS $B$O(B PnP $B@_Dj$rJQ99$7$FD4@0$r9T(B
$B$o$J$1$l$P$J$j$^$;$s!#>WFM$rHr$1$kI,MW$,@8$8$l$P!"4{B8$N%G%P%$%9$N(B I/O 
$B$H(B IRQ $B$N@_Dj$,JQ$o$k$3$H$b$"$j$^$9!#$3$NL\E*$N$?$a!"Hs(B PnP $B%G%P%$%9$N(B 
I/O $B$H(B IRQ $B$r$I$N$h$&$K@_Dj$7$F$$$k$N$+$r(B BIOS $B$K65$($F$"$l$P!"(BBIOS $B$O(B
$BHs(B PnP $B%G%P%$%9$N%j%9%H$rJ]B8$7$F$$$^$9!#$3$l$r(B BIOS $B$K65$($kJ}K!$N0l(B
$B$D$O!"(BDOS/Windows $B>e$G(B ICU $B$H8F$P$l$k%W%m%0%i%`$r<B9T$9$k$3$H$G$9!#(B</P>
<P>$B$7$+$7!"$3$N>pJs$G%G%P%$%9%I%i%$%P$r@_Dj$9$k$?$a$K!"(BBIOS $B$,9T$C$?@_Dj(B
$B$rD4$Y$k$K$O$I$&$9$l$P$h$$$G$7$g$&$+(B? BIOS $B<+?H$b$"$kDxEY$N>pJs$r=P$7(B
$B$^$9!#$3$l$O@_Dj%a%K%e!<$d!"%3%s%T%e!<%?$N5/F0;~$K2hLL$K8=$o$l$k%a%C(B
$B%;!<%8$rDL$8$FF@$i$l$^$9!#(B
<A HREF="#io-irq_in_hdw">$B%7%j%"%k%]!<%H$N%O!<%I%&%'%"$N@_Dj$O(B?</A>
$B$r$4Mw$/$@$5$$!#(B</P>

<H2><A NAME="ss6.9">6.9</A> <A HREF="Serial-HOWTO.html#toc6.9">IRQ $B$H(B I/O $B%"%I%l%9$r(B setserial $B$KM?$($k(B</A>
</H2>

<P> $B$$$C$?$s%O!<%I%&%'%"$N(B IRQ $B$H(B I/O $B%"%I%l%9$r@_Dj$7$?$i(B($B$"$k$$(B
$B$O(B PnP $B$G3d$jEv$F$i$l$k$h$&$K$7$?$i(B)$B!":#EY$O(B Linux $B$,5/F0$5$l$kEY$K(B 
"setserial" $B%3%^%s%I$,<B9T$5$l$k$h$&$K$9$kI,MW$,$"$j$^$9!#(B
<A HREF="Serial-HOWTO-8.html#sets_boot_time">$B5/F0;~$N@_Dj(B</A>$B$N@a$r$4Mw$/$@$5$$!#(B</P>

<H2><A NAME="ss6.10">6.10</A> <A HREF="Serial-HOWTO.html#toc6.10">$B9b%l%Y%k$N@_Dj(B: stty $B$J$I(B</A>
</H2>

<P> $B86B'$H$7$F$O!"%"%W%j%1!<%7%g%s%W%m%0%i%`$,@_Dj$NBgItJ,(B($B$"$k$$$OA4(B
$B$F(B)$B$r9T$$$^$9!#$3$l$r9T$&%3%^%s%I$O(B <CODE>stty</CODE> $B$G$9!#(B
<A HREF="Serial-HOWTO-8.html#stty_">stty</A> $B$r$4Mw$/$@$5$$!#(B</P>

<H3>$B%U%m!<@)8f$N@_Dj(B: $B%O!<%I%&%'%"%U%m!<@)8f$,%Y%9%H$G$9(B</H3>

<P> $B2r@b$,(B
<A HREF="Serial-HOWTO-3.html#flow_control">$B%U%m!<@)8f(B</A>$B$K$"$k$N$G!"$=$A$i(B
$B$b$4Mw$/$@$5$$!#IaDL$O(B Xon/Xoff $B$r;H$C$?%=%U%H%&%'%"%U%m!<@)8f$h$j$b%O!<(B
$B%I%&%'%"%U%m!<@)8f$r;H$&J}$,$$$$$G$7$g$&!#40A4$J%O!<%I%&%'%"%U%m!<@)8f(B
$B$rMQ$$$k$K$OIaDL!"%7%j%"%k%]!<%H$H%G%P%$%9$r@\B3$9$k%1!<%V%kFb$K%U%m!<(B
$B@)8fMQ$N@~$,(B 2 $BK\I,MW$G$9!#%G%P%$%9$,%+!<%I>e$K$"$k$J$i$P!"3N<B$K%O!<(B
$B%I%&%'%"%U%m!<@)8f$,;H$($k$O$:$G$9!#(B</P>
<P>$BB?$/$N%"%W%j%1!<%7%g%s(B($B$H(B getty $B%W%m%0%i%`(B)$B$K$O!"%U%m!<@)8f$K4X$9$k%*(B
$B%W%7%g%s$,$"$j!"I,MW$K1~$8$F@_Dj$G$-$^$9!#%G%U%)%k%H$G%O!<%I%&%'%"%U%m!<(B
$B@)8f$r@_Dj$9$k$3$H$b$G$-$^$9!#(BIRQ $B$H(B I/O $B%"%I%l%9$N$h$&$K!"%U%m!<@)8f(B
$B$b%7%j%"%k%I%i%$%P$H%7%j%"%k%]!<%H$K@\B3$5$l$F$$$k%O!<%I%&%'%"$NN>J}$K(B
$B@_Dj$7$J$1$l$P$J$j$^$;$s!#(B
$B%O!<%I%&%'%"$N@_DjJ}K!$O!"%O!<%I%&%'%"$K$h$C$F0[$J$j$^$9!#(B
$BB?$/$N>l9g$O!"(BPC $B$+$i%7%j%"%k%]!<%H7PM3$G%O!<%I%&%'(B
$B%"%G%P%$%9$KAw$kFCDj$N!V=i4|2=J8;zNs!W$,$"$j$^$9!#%b%G%`$N>l9g$O!"DL?.(B
$B%W%m%0%i%`$ON>J}$N@_Dj$r9T$&$O$:$G$9!#(B</P>
<P>$B$*;H$$$N%W%m%0%i%`$,%7%j%"%k%I%i%$%P$N%U%m!<@)8f$r@_Dj$7$J$$>l9g$K$O!"(B
<CODE>stty</CODE> $B%3%^%s%I$r;H$C$F<+J,$G@_Dj$G$-$^$9!#%I%i%$%P$O(B 
Linux $B$,Dd;_$7$?;~$N@_Dj$r3P$($F$$$J$$$N$G!"5/F0;~$d%m%0%$%s;~$K<B9T$5(B
$B$l$k%U%!%$%k(B($B%7%'%k$,(B bash $B$N>l9g$K$O(B /etc/profile $B$J$I(B)$B$K(B stty $B%3%^%s%I$rF~$l(B
$B$F$*$/$H$h$$$G$7$g$&!#0J2<$K%]!<%H(B ttyS2 $B$G%O!<%I%&%'%"%U%m!<@)8f$r9T(B
$B$&$?$a$KDI2C$9$kFbMF$r<($7$^$9(B:</P>
<P>
<BLOCKQUOTE><CODE>
<PRE>
 
stty crtscts &lt; /dev/ttyS2 
stty $B$N%P!<%8%g%s$,(B 1.17 $B0J>e$N>l9g$O(B:
stty -F /dev/ttyS2 crtscts
</PRE>
</CODE></BLOCKQUOTE>
 </P>
<P><CODE>crtscts</CODE> $B$O!"%7%j%"%k%]!<%H$N(B RTS $B$H(B CTS $B%T%s$r;H$C$F%O!<%I%&%'%"(B
$B%U%m!<@)8f$r9T$&@_Dj$N;XDj$rI=$7$^$9!#A0$NJ8$NBgJ8;z$r(B
<CODE>crtscts</CODE> $B$HDV$j$^$9!#(B</P>

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