From owner-FreeBSD-tech-jp@jp.freebsd.org  Mon Jul 13 18:45:25 1998
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Message-Id: <199807130938.SAA07901@shidahara1.planet.kobe-u.ac.jp>
To: FreeBSD-tech-jp@jp.freebsd.org
In-reply-to: Your message of "Mon, 13 Jul 1998 17:35:40 JST"
References: <199807110901.SAA00472@shidahara1.planet.kobe-u.ac.jp>  <199807130835.RAA14390@sakura.astec.co.jp> 
Date: Mon, 13 Jul 1998 18:38:19 +0900
From: Takanori Watanabe <takawata@shidahara1.planet.kobe-u.ac.jp>
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Subject: [FreeBSD-tech-jp 1635] Re: ATAPI MO (Re: What is difference between
	 Direct-Access and Optical?) 
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In message <199807130835.RAA14390@sakura.astec.co.jp>, Satoh Junichi $B$5$s$$$o$/(B:

>> dmesg$B$N4XO"ItJ,(B
>(snip)
>> $B$3$l$,1F6A$7$F$k$N$G$7$g$&$+!#(B
>> wdc1: Trying to	 Attach as wfd
>> wfd0: medium type=0x3
>> wfd0: 217 cyls, 64 heads, 32 S/T, 512 B/S
>
>$B$3$l$C$F!"(B230MB MO $B$rF~$l$?>l9g$N%a%C%;!<%8$G$9$+!)(B

$B$O$$!#$^$?2?$bF~$l$F$$$J$$$H$-$bF1$8%a%C%;!<%8$,$G$^$9$,!"(B
640MB MO$B$rFM$C9~$s$@;~$O0c$C$F$$$^$9!#(B

wdc1: Trying to Attach as wfd
wfd0: medium type=0x3
wfd0: 151 cyls, 64 heads, 32 S/T, 2048 B/S

>> $B$G$b!"(B230MB MO$B>e$K9=C[$7$?(BFAT FS$B>e$N%U%!%$%k$OA4$/LdBj$J$/FI$_=q$-$G$-$^$7$?!#(B
>> $B$7$+$7!"(B640MB MO$B>e$N$b$N$O(BFAT FFS$B$H$b$&$^$/9T$-$^$;$s!#(B
>(snip)
>> $B$H$$$&%a%C%;!<%8$,$G$F!"%G%#%9%/%i%Y%k$,FI$a$F$J$$$h$&$G$9!#(B
>
$B$^$?!"IT;W5D$J$N$O!"(B640MO$B$rFM$C9~$s$G(Bboot$B$7$?;~$O!"(B
# /dev/wfd0:
type: SCSI
disk: mo640
label: 
flags: removeable
bytes/sector: 2048
sectors/track: 32
tracks/cylinder: 64
sectors/cylinder: 2048
cylinders: 152
sectors/unit: 311296
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0		# milliseconds
track-to-track seek: 0	# milliseconds
drivedata: 0 

3 partitions:
#        size   offset    fstype   [fsize bsize bps/cpg]
  a:   310352        0    4.2BSD     2048  8192     0 	# (Cyl.    0 - 151*)
  c:   310352        0    unused        0     0       	# (Cyl.    0 - 151*)
$B$C$F46$8$K$A$g$C$H0c$C$F$^$9!"$,%+!<%M%k$+$i$N%a%C%;!<%8$,$G$F$/$k$N$O(B
$BF1$8$G$9!#$=$N;~$G$b(B230MO FAT$B$O;H$($F$^$9!#(B

>640MB MO $B$N;~$O!"(B
>
>> bytes/sector: 2048
>
>$B$N07$$$,2x$7$=$&$J5$$,$7$^$9!#(Bwfd $B%I%i%$%P$G$O!"(B512bytes/sec $B0J30$G$b(B
(snip)
>$B$J$N$G!"(Bwfd_start() $B$NCf$N(B blkno $B$H(B nblk $B$NCM$d!"$=$N<~JU$N=hM}$r%A%'%C%/(B
>$B$7$F$_$k$H$$$$$+$b$7$l$^$;$s!#(B

$B$b$&$A$g$C$H$7$i$Y$F$_$^$9!#(B
$BG0$N$?$a$G$9$,!"(B3.0$B7ONs$C$F%U%!%$%k%7%9%F%`$N%3!<%I<+BN$O(B{512*n}byte/sector (n>1)
$B$KBP1~$7$F$^$7$?$h$M!#$=$s$J;vJ9$$$?$h$&$J21$($"$k$s$G$9$,!#(B

$BEOJUB:5*(B
$B?@8MBg3XBg3X1!<+A32J3X8&5f2J(BD1$B>pJs%a%G%#%"2J3X@l96(B
<a href="http://www.planet.kobe-u.ac.jp/~takawata/key.html">
Public Key</a>
Key fingerprint =  2C 51 E2 78 2C E1 C5 2D  0F F1 20 A3 11 3A 62 2A 
