From owner-FreeBSD-users-jp@jp.freebsd.org  Tue Nov  5 21:42:18 1996
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To: FreeBSD-users-jp@jp.freebsd.org
In-reply-to: Your message of "Tue, 05 Nov 1996 04:15:52 JST."
             <199611041915.EAA00208@marble.eps.nagoya-u.ac.jp> 
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Date: Tue, 05 Nov 1996 21:42:10 JST
From: Hidenori Tsuji <hide@cs.titech.ac.jp>
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Subject: [FreeBSD-users-jp 5941] Re: [Q] about Recognition of EIDE HDD 
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  $BDT!wEl5~Bg$G$9(B

  $B;3K\$5$s$N%Q%C%A$r$b$i$&A0$N$3$H$J$s$G$9$,(B

$B!U2CF#!wL>Bg4d9[$5$s(B:
$B!U(B
$B!U(B>   $B!%!%!%$N$h$&$K!"%8%*%a%H%j$,(B overflow $B$r5/$3$9%G%#%9%/$G(B
$B!U(B>   $BMFNL$K4X$9$kCM$,$9$Y$F#0$K$J$C$F$7$^$$$^$7$?(B
$B!U(B
$B!U@5$7$/$J$$$G$9!%$&!<$`!%(Bwd.c$B$O(B^H$B$b$^$C$?$/M}2r$7$F$$$J$$$N$G!$(B
$B!U(Bdu->dk_dd.d_secsize$B$K$I$s$JCM$,F~$k$N$+$o$+$i$J$$$G$9!%$"$N%Q%C%A$G!$(B
$B!U(B
$B!U(B! 			       * du->dk_dd.d_secsize / (1024 * 1024),
$B!U$r(B
$B!U(B! 			       / ( 1024 * 1024 / du->dk_dd.d_secsize) ,
$B!U$KJQ$($F$$$kItJ,$r85$KLa$7$?$i$I$&$J$j$^$9$+!)(B

  $B$3$N$h$&$K$7$F$d$C$F$_$^$7$?(B
  $B$G$b!"7k6I2?$b>u67$OJQ$o$j$^$;$s$G$7$?!%!%!%(B


  $B;EJ}$,$J$$$N$G!"(Bwd.c $B$r>/$7GA$$$F$_$^$7$?!JM}2r$O$7$F$$$J$$$1$I(B
  $B$H$j$"$($:JQ?t$NCf?H$r$_$($k$h$&$K$7$F$_$?$H$3$m!"(B

  du->dk_dd.d_ncylinders, du->dk_dd.d_secperunit

  $B$H$b$K#0$H$J$C$F$$$F!"(B
  $B>e5-$N<jD>$7$r$7$F$bL5BL$J$3$H$,$o$+$j$^$7$?(B

  $B:G=i$b$i$C$?%Q%C%A$G$O(B

>+ #ifdef PC98   /* XXX */
>+                       if (du->dk_dd.d_secperunit > 8 * 1024 * 1024) {
>+                           du->dk_dd.d_ncylinders = 
>+                               bootinfo.bi_bios_geom[du->dk_unit] >> 16;
>+                           du->dk_dd.d_secperunit = 
>+                               du->dk_dd.d_ncylinders
>+                                       * du->dk_dd.d_ntracks
>+                                       * du->dk_dd.d_nsectors;
>+                       }
>+ #endif

  $B$H$$$&IU$12C$($,9T$o$l$F$$$^$9$,!"(B
  $B$3$l$G%;%/%?$N?t$,(B 8*1024*1024 $B0J>e$N$H$-$K@h$[$I$N!"(B
  du->dk_dd.d_ncylinders, du->dk_dd.d_secperunit $B$r:FDj5A$7$F$$$^$9(B

  $B$7$+$7!"$3$N(B du->dk_dd.d_ncylinder $B$KBeF~$9$k(B
  bootinfo.bi_bios_geom[du->dk_unit] $B$,#0$K$J$C$F$$$?$s$G$9(B

  $B$3$N%Q%C%A$GB>$NJ}$,$A$c$s$H$&$^$/$$$C$F$$$?$N$+$,IT;W5D$G$9$,!"(B
  $B$=$NJU$j$K$D$$$F8fB8$8$G$7$g$&$+!)(B


  $B:G6a$G$O#2#G(B over $B$N(B IDE $B$r;H$C$F$$$k?M$C$FB>$K$b$$$=$&$J$s$G$9$,!"(B
  $B$=$&$$$C$?J}!9$O$I$&$7$F$$$k$s$G$7$g$&$M!%!%!%(B


                 _/_/  $BEl5~Bg3XBg3X1!(B $B9)3X7O8&5f2J(B $B>pJs9)3X@l96(B _/_/_/
                _/           $BEDCf1QI'8&5f<<(B $B#M#1(B / $BDT(B  $B=(E5(B /    _/_/
               _/_/     E-mail : hide@mtl.t.u-tokyo.ac.jp         _/
              _/_/_/           ( hide@cs.titech.ac.jp )        _/_/
