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Date: Tue, 14 Mar 2000 04:12:41 +0900 (JST)
Message-Id: <200003131912.EAA16767@psun0.phys.kyushu-u.ac.jp>
To: FreeBSD-users-jp@jp.freebsd.org
Cc: shimizu@phys.kyushu-u.ac.jp
In-Reply-To: Your message of "Mon, 13 Mar 2000 10:29:32 +0900".
	<200003130129.KAA28534@p28.sss.abk.nec.co.jp>
From: shimizu@phys.kyushu-u.ac.jp (Yoshifumi R. Shimizu)
X-Mailer: mnews [version 1.22] 1999-12/19(Sun)
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X-Sequence: FreeBSD-users-jp 50506
Subject: [FreeBSD-users-jp 50506] Re: High-Speed serial (DTE=230,400bps) onFreeBSD(98)-2.2.8 Rev.03
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$@!!@6?e!w6eBgM}4pACN3;R$G$9!#(J

$@!!$+$o$$!w$-$d$N$s(J $@$5$s!"(JNOKUBI Hirotaka $@$5$s!"$I$&$b%"%I%P%$%9$"$j$,$H$&(J
$@$4$6$$$^$7$?!#$I$&$d$i!"D|$a$,$D$-$=$&$G$9!#(J

[50474]:NOKUBI Hirotaka $@$5$s!"(J

>230400bps $@$@$H(J $@$*$h$=(J 43$@%^%$%/%mIC$K0lEY(J $@3d$j9~$_$,5/$-$^$9!#(J
>C-bus $@$X$N%"%/%;%9$,0l2s(J 1$@%^%$%/%m(J (0.5$@%^%$%/%m$G:Q$`(J?) $@$G$9$+$i(J
>$@$+$J$j87$7$$$N$G$O$J$$$+$H;W$($^$9!#(J

$@$($(!*(J serial $@$N3d$j9~$_$H$$$&$N$O(J 1bit $@Kh$K5/$-$k$N$G$9$+!#;d$O$F$C$-$j(J
1byte $@Kh$H;W$C$F$$$^$7$?$N$G!"$^$@M>M5$,$"$k$H;W$C$F$$$^$7$?!#(J

>AT$@%3%^%s%I$G$^$H$^$C$?%G!<%?$rAw$C$F$/$k%3%^%s%I$rC!$$$?$i$I$&$J$j$^$9$+(J?
>S$@%l%8%9%?$r%@%s%W$9$k%3%^%s%I$H$+$"$j$^$;$s$+(J?

$@$J$k$[$I!"$3$l$GD4$Y$l$P$$$$$N$G$9$M!#$H$$$&$o$1$G!"(JTA $@$N@_Dj$rI=<($9$k(J
AT $@%3%^%s%I$r$+$?$a$FBG$A9~$`$3$H$K$h$j!"(JTA $@$+$i(J 60$@9T$[$I$N%G!<%?$rI=<((J
$@$5$;$F$_$^$7$?!#3N$+$K!"(J230,400bps $@$H$$$&$N$OHyL/$J$H$3$m$i$7$/!"2?EY$+(J
$@I=<($5$;$k$3$H$r7+$jJV$9$H!"I,$:(J hung-up $@$7$F$7$^$&$3$H$,$o$+$j$^$7$?!#(J
$@$H!"$$$&$3$H$O(J CPU $@$,CY$/$F3d$j9~$_$r=hM}$7$-$l$J$$$H$$$&$h$j!"(JC-Bus $@$N(J
$@B.EY$=$N$b$N$,8B3&$K6a$$!"$H$$$&$3$H$H;W$C$F$h$m$7$$$N$G$7$g$&$+!#(J926Rs
$@$N%^%K%e%"%k$K$O!"(J230,400bps $@$,0lHLE*$K(J PC9801 $@$N8B3&$H=q$$$F$"$k$N$G$9$,!"(J
$@0lIt$K$O(J 115,200bps $@$,8B3&$H=q$$$F$"$k$H$3$m$b$"$j$^$7$?$N$G!"(J230,400bps
$@$O$+$J$j(J critical $@$J$H$3$m$J$N$G$9$M!#(J

>$@$"$H(J /var/log/messages $@$K2?$+=P$F$^$;$s$+(J? interrupt-level buffer overflow$@$H$+(J
>$@$b$7$+$9$k$H(J SIO$@%I%i%$%P$,;}$C$F$$$k%P%C%U%!$rBg$-$/$9$k$H;H$($k$N$+$b!#(J
># $@2DG=@-$ODc$$5$$,$7$^$9$,(J

$@$$$(!"(J/var/log/messgaes $@$K$O(J sio driver $@$+$i$N(J overflow $@4X78$N(J message
$@$O2?$b=P$^$;$s!#(Jsio driver $@$N(J buffer $@$b2?$b9M$($:$K(J define $@J8$GDj5A$5$l(J
$@$F$$$kCM$rA}$d$7$?$3$H$b$"$C$?$N$G$9$,!"A4$/F0$-$^$;$s$G$7$?!#>e$N>I>u(J
$@$@$H!"(Jsio driver $@0JA0$NLdBj$N$h$&$G$9$M!#(J

[50470]:$@$+$o$$!w$-$d$N$s(J $@$5$s!"(J

># ifconfig tun0 mtu 512 $@$H$+(J
># ifconfig tun0 mtu 256 $@$J$s$F$7$F$_$k$N$O!"$I$&!)(J

$@;DG0$J$,$iF0$-$^$;$s$G$7$?!#>e$K=R$Y$?$h$&$K$b$C$H(J low-level $@$G$NLdBj$N(J
$@$h$&$G$9!#(J

>CPU $@$,HsNO$G$b!"(JFIFO $@$r;}$C$F$F$/$l$F!"$=$l$r3h$+$;$l$P(J
>$@Bg>fIW$J$s$G$7$g$&$1$I!#(J

$@$=$&$J$s$G$9$h$M!#$?$V$s!"FH<+;EMM$N(J FIFO $@$O;}$C$F$$$k$N$@$H;W$$$^$9!#(J
$@%^%K%e%"%k$K$h$k$H(J Win95 $@$G(J board $@$KImB0$N(J driver $@$rMQ$$$k$H(J pier-to-pier
$@@\B3$G(J 25Mbps $@$NB.EY$,=P$k$H$"$j$^$9$N$G!#$?$@!"$=$N;H$$J}$O8x3+$5$l$F(J
$@$$$^$;$s$N$G!"$I$&$7$h$&$b$J$$$G$9$M!#NPEE;R$O:#$O$J$$(J($@@53N$K$O%Q%=%3%s(J
$@;v6H$+$iE1B`(J)$@$3$H$G$9$7!#(J

$@!!$H$$$&$3$H$G!"$H$K$+$/(J DTE$@B.EY(J 230,400bps $@$G$N@\B3$O(J hardware $@E*$K(J
$@L5M}$,$"$k$H$$$&$3$H$,$h$/$o$+$j$^$7$?!#$3$l$G!"D|$a$,$D$-$^$9!#$I$&$b(J
$@$"$j$,$H$&$4$6$$$^$7$?!#(J

$@!!6e=#Bg3XBg3X1!M}3X8&5f2J4pACN3;R7O2J3X@l96(J  $@@6?eNIJ8(J
