From owner-FreeBSD-users-jp@jp.freebsd.org  Tue Nov  5 17:13:38 1996
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To: FreeBSD-users-jp@jp.freebsd.org
From: Tetsuo Yamamoto <t-yamamt@ics.es.osaka-u.ac.jp>
In-Reply-To: Your message of "Mon, 04 Nov 1996 04:17:13 +0900"
References: <199611031917.EAA01442@yamato.mtl.t.u-tokyo.ac.jp>
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Date: Tue, 05 Nov 1996 17:13:35 +0900
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Subject: [FreeBSD-users-jp 5932] Re: about Recognition of EIDE HDD
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$B;3K\!w:eBg$G$9!#(B

From: Hidenori Tsuji <hide@mtl.t.u-tokyo.ac.jp>
Subject: [FreeBSD-users-jp 5875] about Recognition of EIDE HDD
Date: Mon, 04 Nov 1996 04:17:13 +0900

> > wdc0: unit 0 (wd0): <WDC AC31200F>
> > wd0: 1222MB (2503760 sectors), 18410 cyls, 8 heads, 17 S/T, 512 B/S
> > wdc0: unit 2 (wd1): <WDC AC32500H>
> > wd1: 2185MB (4291054032 sectors), 4294938522 cyls, 8 heads, 17 S/T, 512 B/S
>        ^^^^^^  ^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^
> $B!!#2BfL\$N(B EIDE $B$N%G%#%9%/$NMFNL$NCM$,$*$+$7$$7k2L$H$J$j$^$9(B
> 
> $B!!(BDOS $B$GD4$Y$k$H(B
>   $B#1BfL\(B  18410cyls * 68KB / 1024 = 1222MB
> $B!!#2BfL\(B  36762cyls * 68KB / 1024 = 1241MB
> 
> $B!!$H$J$j!"#1BfL\$O>e$H%7%j%s%@?t$bMFNL$bF1$8$H$J$j$^$9$,(B
> $B!!#2BfL\$ON>J}$H$bCM$,0[$J$j$^$9(B
> 
> $B!!!!!t(B4294938522 $B$H$$$&CM$,(B
>     $B!t(B32bit $BJd?tI=8=$G(B -36762 $B$H$$$&$N$,5$$K$J$j$^$9!%!%!%(B

  wdprams$B$N(Bwdp_fixedcyl$B$GHO0O$r1[$($F$k$?$a$@$H;W$$$^$9!#$H$j$"$($:!"(B
$B0J2<$N%Q%C%A(B(quick hack$B$G$9$,(B)$B$G$&$^$/$$$/$+$?$a$7$FD:$1$^$;$s$+!#(B
$BA0$K2CF#$5$s$,N.$5$l$?%Q%C%A$OI,MW$J$$$G$9!#(B


*** wdreg.h.orig	Tue Nov  5 16:43:58 1996
--- wdreg.h	Tue Nov  5 16:32:25 1996
***************
*** 146,152 ****
  struct wdparams {
  	/* drive info */
  	short	wdp_config;		/* general configuration */
! 	short	wdp_fixedcyl;		/* number of non-removable cylinders */
  	short	wdp_removcyl;		/* number of removable cylinders */
  	short	wdp_heads;		/* number of heads */
  	short	wdp_unfbytespertrk;	/* number of unformatted bytes/track */
--- 146,152 ----
  struct wdparams {
  	/* drive info */
  	short	wdp_config;		/* general configuration */
! 	u_short	wdp_fixedcyl;		/* number of non-removable cylinders */
  	short	wdp_removcyl;		/* number of removable cylinders */
  	short	wdp_heads;		/* number of heads */
  	short	wdp_unfbytespertrk;	/* number of unformatted bytes/track */


/*****************************************************
 $BBg:eBg3X4pAC9)3XIt>pJs9)3X2J(B $B#4G/(B $B;3K\(B $BE/CK(B
 mailto:t-yamamt@ics.es.osaka-u.ac.jp
 http://pelican.ics.es.osaka-u.ac.jp/people/t-yamamt/
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