From: a40856a@nucc.cc.nagoya-u.ac.jp (Mamoru Kohno)
Subject: 286 to 486 (Summary)
Organization: Nagoya University Computation Center, Nagoya, Japan.
Distribution: fj
Date: Sun, 24 Jan 1993 02:53:28 GMT

$@2OLn!wL>8E20Bg(J$@3X9)3XIt$H?=$7$^$9!#(J

98VX $@$N(J i80286 $@$r(J Cyrix486SLC $@%\!<%I$KE>Au$7$?>l9g!$(J

$@!J#1!K(JMS-Window$@$,;H$$$b$N(J$@$K$J$k$+(J
$@!J#2!K8=M-$N(JEMS$@%\!<%IN`$O;H$($k$+(J
$@!J#3!K(JCoprocessor $@$OM-8z$+(J

$@$J$k<ALd$r#17n#5F|IU$1$GEj9F$5(J$@$;$F$$$?$@$-$^$7$?$,!$#17n#2#08=:_!$<!$N(J
$@#1#1L>$NJ}!9$+$i>pJs$r$*$h$;D:$-$^$7$?!#(J

     agnes@alice.mitsubishi-ry.snet.or.jp (Michiaki Yamamoto)
     hoshino@takeo-sun.eri.u-tokyo.ac.jp (Hoshino Osamu)
     asano@msr.mei.co.jp (Yoshio Asano -y(^ ^))
     kamada@ficus.juice.or.jp (Ryoji Kamada)
     e021789@cse.elcom.nitech.ac.jp
     hoshino@takeo-sun.eri.u-tokyo.ac.jp (Hoshino Osamu)
     itoh@hep.s.kanazawa-u.ac.jp (Masanori Itoh)
     murooka@himiko.cc.saga-u.ac.jp (Hiroki MUROOKA)
     sakamoto@shirai.info.waseda.ac.jp (Susumu Sakamoto)
     ghf@ohigw.nikon.co.jp (K.Yamazaki Nikon Co.)
     mikami@on.cs.keio.ac.jp (Osamu MIKAMI)

$@0J2<$K!$$*$h$;D:$$$?>pJs$r$^$H$a$5$;$FD:$-$^$9!#(J

***************************************************************
*                Answers to the questions                     *
***************************************************************

$@$^$:!$;d$N<ALd9`L\$KBP$9(J$@$kEz$($H$7$F!$(J

$@!J#1!K(JMS-Windows $@$N%(%s%O%s%9%H!&%b!<%I$O;H$($k$h$&$K$J$k!#$7$+$7!$(J
$@%j%"%k%b!<%I$d%9%?(J$@%s%@!<%I%b!<%I$,%O%s%0%"%C%W$9$k$3$H$b$"$k!#$^$?!$(J
$@<BMQ$H$7$F;H$$J*$K$J$k$+$I$&$+$OHyL/!#$D$^$j!$(J486SX/25MHz $@$H$OHf$Y(J
$@$h$&$b$J$/CY$$!#(J

$@!J#2!K%W%m%F%/%H%a%b%j$H$7$F@_Dj$9$l$PLdBj$J$/;H$($k!#$?$@$7!$%a%b(J$@%j(J
$@4IM}MQ%G%P%$%9%I%i%$%P$H(J486$@%\!<%I$H$NAj@-$,LdBj$H$J$k$3$H$,$"$k!#(J

$@!J#3!K(JCyrix $@$N%3%W%m$J$iBg>fIW!#(JIntel $@$N%3%W%m$O%@%a!#(J

$@$H$$$&$3$H$G$7$?!#(J

$@Am9gE*$K$OCMCJ$K8+9g$&8z2L$O$"$k$,!$2aBg$J4|BT$O$7$J$$$[$&(J$@$,8-L@(J
$@$H$$$&$N$,3'$5$s$NJ?6QE*$J$40U8+$G$7$?!#$5$i$K!$2~B$8e$O(JPC$@%a!<%+$d(J
$@%=%U%H%a!<%+$N%5%]!<%HBP>]$H(J$@$J$i$J$$2DG=@-$b$"$j!$IT6q9g$dITE,9g$K(J
$@BP1~$9$kCN<1$H3P8g$,I,MW$J$h$&$G$9!#(J


***************************************************************
*                          Problems                           *
***************************************************************

$@8=:_$^$G$KJ,$+$C$F$$$kIT6q9g$K$D(J$@$$$F!$%\!<%I%a!<%+JL$K$^$H$a$^$9!#(J

a) $@#I!&#O%G!<%?5!4o@=(J

$@%"%$!<%*!<$N%a%b%j%5!<%P!<$,(JVer1.01$@$G$O$&$^(J$@$/F0$/$N$G$9$,!"(J
Ver1.10$@$@$H#R#A#M%G%#%9%/$N%I%i%$%P!<$,%m!<%I$5$l$?$H$3$m$G%O%s%0$7$^$7$?!#(J
$@860x$O!"(J$@8=:_!"D4$Y$F$$$^$9!#!J;3K\$5$s!!;0I)%l%$%h%sCf1{8&5f=j!K(J


b) ABM$@@=(J

$@%a%k%3$N(JEMJ$@%7%j!<%:$N%a%b%j%\!<%I(J$@$H$NAH$_9g$o$;$G!$HFMQ(JEMM$@!J(JMELEMM.SYS$@!K$r(J
$@;H$&$H%7%9%F%`%(%i!<$,IQH/$7!$2>A[(J8086EMM$@!J(JMELEMM.386$@!K;HMQ(J$@;~$h$j$b<B9TB.(J
$@EY$,Mn$A$k!#!J@1Ln$5$s!!El5~Bg3XCO?L8&5f=jCO?L3hF08&5f<<!K(J


c) $@%a%k%3@=(J

PC-9801VX21 + HSS-4S7V25(MELCO) + HDD ST-120LB(TEXA) + PIO-PC34HX-2M(I/O DATA)
$@$N9=@.$G!$(JCX486.EXE (v2.0)$@!!(J(share ware$@$N%I%i%$%P(J)$@$N>l9g!"(JFDD $@$,@5>o$K%"%/%;%9(J
$@$G$-$J$$$3$H$,$"$k!#(JFD $@$N$h$&$J(J filer $@$+$iFI$s$G$b!"%3%^(J$@%s%I%i%$%s$+$i(J
$@FI$s$G$bF1MM$G$9!#:G0-$N>l9g$K$O!"(JFDD $@$N(J FAT $@$r2u$7$^$9!#(J
$@2>A[(J86$@%b!<%I$G$b%j%"%k%b!<%I(J$@$G$bF1$8LdBj$,:F8=@-$r$b$C$FH/@8$9$k!#860x$OITL@!#(J
($@0KF#$5$s!!6bBtBg3XM}3XItJ*M}(J)

$@$^$?!$(J
Hard Disk $@$+(J$@$iN)$A$"$2(J FD ( application ) $@$r<B9T$7$F(J device $@$N(J 
Floppy Disk $@$r8+$h$&$H$9$k$H%O%s%0$7$F$7$^$&!#(J 
Windows$@;HMQ;~$K!$!V(J $@7Y9p(J A20 $@!W(J $@$,I=<($5$l$k!J$G$b!$F0$/!K!#(J 
HSB ( High Speed Boot controller ) $@$r$D$+(J$@$C$F(J reboot $@$9$k$H(J 
Floppy Disk device $@$r(J $@G'<1(J $@$7$J$/$J$k!#(J(HSB$@$O(J v2.9$@$OLdBj$J$$!(0KF#$5$s(J)
$@Ey$b;XE&$5(J$@$l$F$*$j$^$9!#(J($@<<2,$5$s!!:42lBg3XJ*M}(J)

$@$3$l$i$N$&$A!$(JFDD $@G'<1$NLdBj$K$D$$$F$O0J2<$N$h$&$JBP:v$,Ds0F$5(J$@$l$^$7$?!#(J

CPU$@$N%-%c%C%7%eNN0h$K@)8B$r$D$1$k$H$h$$!#(J
$@2>A[#8#6%I%i%$%P!<MxMQ$N$H$-!$MxMQ$7$F$$$J$$(JROM$@NN0h$r(JUMB$@$J$I$KMxMQ$7$F$$$k(J
$@>l9g$O!$(J000a0000:256K,000e0000:128K$@$rHs%-%c%C%7%eNN0h$K;XDj$7$F$*$$$?J}$,(J$@NI$$!#(J
$@%G%#%9%/0J30$N(JDMA$@E>Aw$rMxMQ$9$kEy$7$F$_$k$H$&$^$/$$$/$+$bCN$l$J$$!#(J
($@:dK\$5$s!!Aa0pEDBg3XEE5$9)(J$@3X!K(J

$@:G=i%a%k%3$N(JHSP-4S7V25$@$rGc$C$?$,!$$&$^$/F0$+$:7k6I(JI/O$@%G!<%?$N(JPK-X486/87SL$@$K(J
$@8r49$7$?!%K\BN$O#9#8(J$@#V#X#2#1!%%a%k%3$NLdBjE@$O%a%b%j$N%Q%j%F%#%(%i!<$,=P$F(J
$@%O%s%0%"%C%W$7$F$7$^$&!%%a%k%3$N%$%s%U%)%a!<%7(J$@%g%s$KLd$$9g$o$;$k$H!$#9#8(J
$@K\BN$N$P$i$D$-$G$&$^$/F0$+$J$$$3$H$,$"$k$H8@$o$l$?!%(J
$@%a%k%3$G$b8r49$K1~$8$F(J$@$/$l$k$H$N$3$H$@$C$?$,!$HNGdE9$G(JI/O$@%G!<%?$NJ*$K(J
$@8r49$7$F$b$i$C$?!#(J($@;3:j$5$s!!%K%3%s8&5f=j(J)


***************************************************************
*                    Performace Test                          *
***************************************************************

$@A0=R$N0KF#$5$s$O!$(J$@2?<oN`$+$N%Y%s%A%^!<%/$N<B;\$5$l$F$*$i$l$^$9!#(J
$@7k2L$N0lMwI=$@$1$rE>:\$$$?$7$^$9!#(J(mm:ss $@$O(J $@J,!'IC(J)

                    CPU.COM    $@!!%^%s%G%k%W%m(J    BGIDEMO.C     $@%b%s%F%+%k%m(J
PC-9801VX21         CPU   NDP$@!!(J   $@=89g!J<+:n!K(J    $@2~B$HG(J           $@7W;;(J
===============================================================================
80286              0.98  0.82        16:22         5:04            5:08
 + 80C287(AMD)
-------------------------------------------------------------------------------
Cx486SLC(V86)      0.85  4.23        19:08         6:51            2:09
  cache off
-------------------------------------------------------------------------------
Cx486SLC(real)     0.85  4.21        14:52         5:52            ----
  cache off
-------------------------------------------------------------------------------
Cx486SLC(V86)      2.75  5.03        10:00         3:46            1:43
  cache on
-------------------------------------------------------------------------------
Cx486SLC(real)     2.77  5.01         6:35         3:41            ----
  cache on
===============================================================================
PC-9801FA          1.85  ----         5:13         ----           18:33
 (V86 mode)
-------------------------------------------------------------------------------
PC-9801FA          2.10  ----         4:07         ----            ----
 (real mode)
-------------------------------------------------------------------------------

***************************************************************
*                    Acknowledgements                         *
***************************************************************

$@:G8e$K!$;d$N<ALd$KBP$7$F>pJs$r$*4s$;D:$$$?3'MM(J$@$K8|$/8fNi?=$7>e$2$^$9!#(J
$@<ALd$r=P$7$F$^$H$a$k$^$G#2#0F|4V$b7P2a$7$F$7$^$$$^$7$?$3$H!$$5$i$K!$$^$H$a(J
$@$H(J$@8@$&$K$OM>$j$K$b;6L!$J5-=R$K$J$C$F$7$^$$$^$7$?$3$H$r$*$o$S?=$7>e$2$^$9!#(J
$@8=:_!$CO85$N2q<R$H$$$&$3$H$b(J$@$"$j!$%a%k%3$N%\!<%I$rH/Cm$7$F$*$j$^$9!#$G$-$l$P!$(J
$@6a$$$&$A$K(J486$@2~B$$r<B;\$7$?$$$N$G$9$,!$B4O@$d=$O@$N(J$@Ds=P4|8B$rA0$K#1Bf$N(JPC$@$G(J
$@$b;`$s$G$7$^$&$N$O$3$^$j$^$9$N$G!$2~B$$O$b$&>/$78e$K$J$kM=Dj$G$9!#2~B$8e$K(J
$@$"(J$@$i$?$a$FJs9p$r$5$;$FD:$-$^$9!#(J
--
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                      $@2OLn!!<i!'L>8E20Bg3X9)3XIt7zC[(J
                      a40856a@nucc.cc.nagoya-u.ac.jp
            ////////----------------------------------/////////