HDDのgeometryが書き換わってしまった

[Masanori HATA]

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$B%7%9%F%`$,%H%i%V$C$F!"$4$A$c$4$A$c?($C$F$$$k$&$A$K!"$=$l$^$G(B120
GByte$B$"$C$?(BHDD$B$NMFNL$,(B20GByte$B$K$J$C$F$7$^$C$?!#2?$+$NGo;R$K(Bgeometry
$B%P%C%F%#%s%0$7$=$N(Bgeometry$B$r%3%T!<$7$F$7$^$C$?$h$&$G$"$k!#(B120GByte
$B$N(BHDD$B$N6y$r:Y!9$H;H$C$F$$$k$h$&$G$b$C$?$$$J$$!#(B
$B!ZD4$Y$?$3$H![(B
$BEv3:(BHDD$B$N(BGeometry$B$O(BBIOS$B$K$h$k$H!"(B
$B!!(BCylinders 1024
$B!!(BHead 255
$B!!(BSector 63
$B!!(BCHS Capacity 8422MB
$B!!(BMax. LBA Capacity 20570MB
$B$H$J$C$F$$$k!#F1;~$K7R$$$G$$$k(B20GByte$B$N(BHDD$B$N(Bgeometry$B$bF1$8$G$"$k!#(B
ASUS P4PE$B$N(BBIOS$B$K$O!"(B"User Type HDD"$B$H$$$&%b!<%I$G(BHDD$B$N(Bgeometry$B$r(B
$B$k$3$H4|BT$7$F$$$?$,!"$=$l$OJQ$o$i$J$+$C$?!#>e$N(Bgeometry$B$r$h$/8+(B
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1.$BEv3:(BHDD$B$N(Bgeometry$B$NCM!#F1$8(BHDD$B$r;}$C$F$$$kJ}!"$G$-$?$iF1$8(Bmother
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$B!!$9!#(B
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$B$F$$$k$h$&$K;W$($^$9!#(B

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$B!V(BBIOS $BB&$N!W(BHDD $B$K4X$9$***@_DjCM$,JQ2=$9$k$H$$$&$N$J$i$o$+$j$^$9!#(B

User Type HDD $B$K$*$$$F<jF0$G(B C/H/S $B$rJQ$($F$b!"(BBIOS $B2hLL$K$*$1$k!V(BCHS
Capacity$B!W$d!V(BMax. LBA Capacity$B!W$NCM$KJQ2=$,$J$$$H$$$&$3$H$J$N$G$7$g$&(B
$B$+!)!!$=$l$H$b!"(BWin2000 $B$G$N(B HDD $BMFNLG'<1$KJQ2=$,8+$i$l$J$$$H$$$&$3$H$J(B
$B$N$G$7$g$&$+!)!!855-;v$N5-=R$+$i$O$=$l$,H=JL$G$-$^$;$s!#(B

[Kunio Sannomiya]

$B;05\!w8|LZ;T$G$9(B

Post by Masanori HATA
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Post by Masanori HATA
$BLdBj$r!"(BWin2000 $B$H$$$&(B OS $B>e$NLdBj!J(Bfj.os.ms-windows.win2000 $BE*LdBj!K(B
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$B$7$^$$$^$7$?!#(B

Post by Masanori HATA
$B$=$b$=$b!V(BHDD $B$N!WJ*M}%8%*%a%H%j$,=q$-49$o$k$b$N$+5?Ld$G$9$,!D!D!#(B

HDD$B$K(Bgeometory$B$,=q$+$l$F$$$F!">c322sI|$N$?$a$K(BBIOS$B$,6/@)E*$K$=$l$r=q(B
$B$-49$($F$7$^$C$?$N$G$O$J$$$+$H!"M}2r$7$F$$$^$9!#$b$C$H$b!"$=$s$J$3$H(B
$B$,5/$3$k$h$&$J;EAH$_$K$J$C$F$$$k$+$I$&$+$OCN$l$^$;$s!#(B

Post by Masanori HATA
User Type HDD $B$K$*$$$F<jF0$G(B C/H/S $B$rJQ$($F$b!"(BBIOS $B2hLL$K$*$1$k!V(BCHS
Capacity$B!W$d!V(BMax. LBA Capacity$B!W$NCM$KJQ2=$,$J$$$H$$$&$3$H$J$N$G$7$g$&(B
$B$+!)!!$=$l$H$b!"(BWin2000 $B$G$N(B HDD $BMFNLG'<1$KJQ2=$,8+$i$l$J$$$H$$$&$3$H$J(B
$B$N$G$7$g$&$+!)!!855-;v$N5-=R$+$i$O$=$l$,H=JL$G$-$^$;$s!#(B

BIOS$B$N(BCHS Capacity$BI=<($OJQ$o$j$^$9!#$7$+$7!"(BBIOS$B$N(BMax. LBA Capacity
$BI=<($d(BWin2K$B$G$N(BHDD$BMFNL$NG'<1$O!"JQ$o$j$^$;$s!#$b$C$H$b!"J*M}%U%)!<%^(B
$B%C%H$r$d$jD>$7$?$iJQ$o$k$N$+$b$7$l$^$;$s$,!":#$O(B20GByte$B$G(BWin2K$B$,F0$$(B
$B$F$$$k$N$G!"@h$N8+DL$7$,$D$/$^$G<j$*=P$7$?$/$J$$!#(B

[Masanori HATA]

Post by Kunio Sannomiya
BIOS$B$N(BCHS Capacity$BI=<($OJQ$o$j$^$9!#$7$+$7!"(BBIOS$B$N(BMax. LBA Capacity
$BI=<($d(BWin2K$B$G$N(BHDD$BMFNL$NG'<1$O!"JQ$o$j$^$;$s!#$b$C$H$b!"J*M}%U%)!<%^(B
$B%C%H$r$d$jD>$7$?$iJQ$o$k$N$+$b$7$l$^$;$s$,!":#$O(B20GByte$B$G(BWin2K$B$,F0$$(B

$B$^$:!"(BBIOS $***@_Dj$K4X$9$k$3$H$G$9$,!"(BASUS P4PE $B$N(B BIOS$B!J2?<R@=$N(B BIOS $B$G(B
$B$7$g$&$+!)!K$G!"(BAuto Detect $B$N9`L\$O$"$j$^$;$s$+!)!!DL>o$O(B Auto Detect
$B$9$l$P!"(BUser Defined $B$J(B C/H/S $***@_DjCM$,<+F0$GF~NO$5$l$k$3$H$,B?$$$H;W$$$^$9!#(B

$B$"$H!"$*$C$7$c$k(B Win2000 $B$G$N(B HDD $BMFNL$NG'<1$H$$$&$N$O!J(BC $B%I%i%$%V$@$H$+(B
$B$N!K%Q!<%F%#%7%g%s$***@M}E*$JMFNL$G$O$J$$$N$G$7$g$&$+!)!!(BHDD $B$NJ*M}E*$JMF(B
$BNL$O!"4IM}%D!<%k(B > $B%3%s%T%e!<%?$N4IM}(B > $B%G%#%9%/$N4IM}$GI=<($5$l$k!"(B
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$B$O$:$J$N$G!"(B137GB $BD6$N(B Big Disk $B$H$+$G$J$$8B$j!"@5$7$$MFNL$,=P$k$H;W$&$N(B
$B$G$9$,!D!D!#(B

[Kunio Sannomiya]

$B;05\!w8|LZ;T$G$9(B

Masanori HATA wrote:
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Post by Masanori HATA
$B$7$g$&$+!)!K$G!"(BAuto Detect $B$N9`L\$O$"$j$^$;$s$+!)!!DL>o$O(B Auto Detect

Aword$B<R@=$G$9!#(BAuto Detect$B$N5!G=$O$"$j$^$9!#@h$[$I=q$$$?(Bgeometry$B$NCM(B
$B$O!"(BAuto Detect$B$G$NCM$G$9!#(B

Post by Masanori HATA
$BNL$O!"4IM}%D!<%k(B > $B%3%s%T%e!<%?$N4IM}(B > $B%G%#%9%/$N4IM}$GI=<($5$l$k!"(B
$B!V%G%#%9%/(B 0$B!W$NMFNL$G8+$kI,MW$,$"$k$H;W$$$^$9!#(B

Win2K$B$G$NMFNL$O!"$=$N!V%G%#%9%/(B 0$B!W$NMFNL$NCM$G$9!#<B:]$O%U%)!<%^%C%H(B
$B$5$l$F$$$k$?$a$K!"(B19.15GByte$B$HI=<($5$l$F$$$^$9!#(B

HWINF032$B$H$$$&%=%U%H$G(BHDD$B$N(Bgeometry$B$rD4$Y$k$H!"(B
Cylinders 16383
Heads 16
Sectors 63
$B$HI=<($5$l$^$9!#$3$l$b$J$s$@$+$*$+$7$JCM$J$N$G$9$,!"@h$[$I$N(BBIOS$B$NG'(B
$BCN$7$?CM$H!"$3$NCM$NNI$$$H$3<h$j$7$F!"(B
Cylinders 16383
Heads 255
Sectors 63
$B$H$9$k$H!"(B1sector$B$,(B512byte$B$H9M$($F!"(B134.75GByte$B$H$J$k!#8x>N(B120GByte
$B$N(BHDD$B$@$1$I!"(B134GByte$BM-$C$?$h$&$J5$$b$9$k!#(B

[Masanori HATA]

Post by Kunio Sannomiya

Post by Masanori HATA
$BNL$O!"4IM}%D!<%k(B > $B%3%s%T%e!<%?$N4IM}(B > $B%G%#%9%/$N4IM}$GI=<($5$l$k!"(B
$B!V%G%#%9%/(B 0$B!W$NMFNL$G8+$kI,MW$,$"$k$H;W$$$^$9!#(B

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$B$5$l$F$$$k$?$a$K!"(B19.15GByte$B$HI=<($5$l$F$$$^$9!#(B

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Post by Kunio Sannomiya
HWINF032$B$H$$$&%=%U%H$G(BHDD$B$N(Bgeometry$B$rD4$Y$k$H!"(B
Cylinders 16383
Heads 16
Sectors 63

$B$3$l$O(B IDE $B$N5,3J>e$N3F:GBgCM$G$9!#(B
16383 x 16 x 63 x 512 = 8455200768 bytes
$B$H$$$&$N$,$$$o$f$k(B 8GB $B$NJI$C$FE[$G$9!#(BLBA $BJ}<0$G$O4{$KM-L>L5<B2=$7$F$$(B
$B$kCM$N$h$&$G$9!#(B

Post by Kunio Sannomiya
$BCN$7$?CM$H!"$3$NCM$NNI$$$H$3<h$j$7$F!"(B
Cylinders 16383
Heads 255
Sectors 63
$B$H$9$k$H!"(B1sector$B$,(B512byte$B$H9M$($F!"(B134.75GByte$B$H$J$k!#8x>N(B120GByte

HGST $B$N%5%$%H$G8+$D$1$k$3$H$N$G$-$k(B IC35L120AVV207 $B$N%G!<%?%7!<%H$K$h$k(B
$B$H!"(Btotal logical data bytes: 123522416640 $B$J$N$G!"(B120GB $B$G$9!#(B

$B$=$b$=$***@5$7$$J}K!$J$N$+$I$&$+$o$+$j$^$;$s!J$+$D$F%M%C%H$rC5$7$F$b$=$&(B
$B$$$C$?>pJs$r8+$D$1$i$l$J$+$C$?!K$7!"$=$N>e(B BIOS $B$,;05\$5$s$N$H0c$C$F(B AMI
$B$J$N$GDLMQ$9$k$+$I$&$+$o$+$j$^$;$s$,!"KM$N>l9g!J(B137GB $BD6$N(B Big Disk $B$G(B
BIOS $B$,@5>o$K(B Auto Detect $B$7$F$/$l$J$+$C$?$N$G!K!"(BLBA $BAm?t$rAG0x?tJ,2r$7(B
$B$F!"(BC/H/S $B$r(B BIOS $B$***@_Dj$G$-$k:GBgCM0JFb$NCM$KG<$^$k$h$&$JAH$_9g$o$;$K$J(B
$B$k$h$&$K3d$j=P$7$***@_Dj$9$k!"$H$$$&J}K!$r<+A0$GJT$_=P$7$FBP=h$7$F$$$^$9!#(B

$B$?$@$7!"(BBIOS $B$G$***@_Dj$,!"$3$NLdBj$r2r7h$G$-$k$N$+$I$&$+$O$o$+$j$^$;$s!#(B

[Kunio Sannomiya]

$B;05\!w8|LZ;T$G$9(B

$B!'(B
HGST $B$N%5%$%H$G8+$D$1$k$3$H$N$G$-$k(B IC35L120AVV207 $B$N%G!<%?%7!<%H$K$h$k(B
$B$H!"(Btotal logical data bytes: 123522416640 $B$J$N$G!"(B120GB $B$G$9!#(B
$B!'(B

123522416640$B$O0x?tJ,2r$9$k$H(B(2**15)*(3**3)*5*7*3989$B$G$9$M!#(B1sector$B$r(B
512byte$B!"%H%i%C%/$"$?$j$N(Bsector$B$r(B63$B$H2>Dj$9$k$H!"(B3829440$B$r(BCylinder$B?t(B
$B$H(BHead$B?t$K3d$jEv$F$l$P$h$$$N$@$,!"$$$/$i$K$7$?$b$N$+!&!&!&!)(B

$B:G=i$+$i5$$K$J$C$F$$$k$3$H$,$"$j$^$9!#(BAward BIOS$B$,I=<($9$k(BHead$B$NCM$,(B
255$B$H$J$C$F$$$k$3$H$G$9!#$3$3$G8@$&(BHead$B$NCM$H$O!"FI$_=q$-$9$k<'5$%X(B
$B%C%I$N?t$HM}2r$9$k$H!"(B255$B8D$b<'5$%X%C%I$N$"$k%G%#%9%/$J$I$O9M$($i$l(B
$B$J$$!#$3$NCM$OJ*M}E*$J<'5$%X%C%I$G$O$J$/(BBIOS$B$H%I%i%$%P!<$,>pJs8r49$9(B
$B$k$?$a$NM}***@E*$J<'5$%X%C%I$N?t$J$N$+$J$"!)(B

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[Masanori HATA]

Post by Kunio Sannomiya

Post by Masanori HATA
HGST $B$N%5%$%H$G8+$D$1$k$3$H$N$G$-$k(B IC35L120AVV207 $B$N%G!<%?%7!<%H$K$h$k(B
$B$H!"(Btotal logical data bytes: 123522416640 $B$J$N$G!"(B120GB $B$G$9!#(B
$B!'(B

123522416640$B$O0x?tJ,2r$9$k$H(B(2**15)*(3**3)*5*7*3989$B$G$9$M!#(B1sector$B$r(B
512byte$B!"%H%i%C%/$"$?$j$N(Bsector$B$r(B63$B$H2>Dj$9$k$H!"(B3829440$B$r(BCylinder$B?t(B

LBA $B$O(B Logical *Block* Addresses $B$J$N$G!"@h$K(B
123522416640 [bytes] / 512 [bytes/sector] = 241254720 [sectors=blocks]
$B$H$7$F$3$l$rAG0x?tJ,2r$7$^$9!#(B
241254720 = 2^6 * 3^3 * 5 * 27923
$B$3$l$r85$KNc$($P!"(B
C * H * S = 27923 * 135 * 64
$B$H2>Dj$7$F$_$F!"(BC/H/S $B$NCM$H$7$F<***@_Dj$9$k!"$H$$$&$N$,KM$N$d$jJ}$G$9!#(B
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$B?6$l$k$h$&$JAH9g$;$rAG0x?tJ,2r<0$r85$K3d$j=P$7$^$9!#$A$J$_$KKM$N(B M/B $B$N(B
$B>l9g$O!"(BC/H/S $B$N:GBgCM$O(B 65535/255/255 $B$G$9!#(B

Post by Kunio Sannomiya
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[Kunio Sannomiya]

$B;05\!w8|LZ;T$G$9(B

Post by Masanori HATA
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================================================================
Kunio San-nomiya | Address : Atsugi Kanagawa, JAPAN
| e-mail : ***@hi-ho.ne.jp

[Masanori HATA]

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