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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<HTML>
<HEAD>
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<A HREF="Large-Disk-HOWTO-11.html">¼¡¤Î¥Ú¡¼¥¸</A>
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<A HREF="Large-Disk-HOWTO.html#toc10">Ìܼ¡¤Ø</A>
<HR>
<H2><A NAME="s10">10. ¾ÜºÙ</A></H2>

<P>
<H2><A NAME="ss10.1">10.1 IDE ¤Î¾ÜºÙ -  7¤Ä¤Î¥¸¥ª¥á¥È¥ê</A>
</H2>

<P>
<!--
disk!IDE geometry setting
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<H2><A NAME="ss10.2">10.2 SCSI ¤Ë´Ø¤¹¤ë¾ÜºÙ</A>
</H2>

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(¤½¤·¤Æ¡¢LILO ¤Ë `linear' ¥­¡¼¥ï¡¼¥É¤¬É¬Íפˤʤ俤ꡢ
¥«¡¼¥Í¥ë¤Îµ¯Æ°¥Ñ¥é¥á¡¼¥¿ `aic7xxx=extended' ¤¬É¬Íפˤʤ俤ꤹ¤ë¤«¤â¤·¤ì¤Ê¤¤)
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<DT><B>buslogic:</B><DD><P>C &gt;= 1024 ¤Ë¤Ê¤ë¤Þ¤Ç¤Ï H=64, S=32¡£
¤½¤ì°Ê¹ß¤Ï¥³¥ó¥È¥í¡¼¥é¤Î³ÈÄ¥ÊÑ´¹¤¬»ÈÍѤµ¤ì¤Æ¤¤¤ë¾ì¹ç¡¢
M &lt; 2^22 (ÌõÃí: 2 GiB) ¤Ê¤é¤Ð H=128, S=32 ¤Ç¡¢
¤µ¤â¤Ê¤±¤ì¤Ð H=255, S=63 ¤Ç¤¹¡£
¤·¤«¤·¡¢¤³¤Î (C,H,S) ÀßÄê¤ò¹Ô¤Ã¤¿¸å¡¢¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¥Æ¡¼¥Ö¥ë¤òÆɤ߽Ф·¤Þ¤¹¡£
¤½¤·¤Æ¡¢²Äǽ¤Ê 3 ¤Ä¤ÎÁȤ߹ç¤ï¤»¡¢(H,S) = (64,32), (128,32), (255,63)
¤Î¤¦¤Á¤«¤é¡¢endH=H-1 ¤Ë¤Ê¤ê¤½¤¦¤Ê¤â¤Î¤òõ¤·¤Þ¤¹¡£
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"Adopting Geometry from Partition Table"
(¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¥Æ¡¼¥Ö¥ë¤Î¥¸¥ª¥á¥È¥ê¤òºÎÍѤ·¤Þ¤¹)
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<DT><B>fdomain:</B><DD><P>BIOS ¤Î¥É¥é¥¤¥Ö¥Ñ¥é¥á¡¼¥¿¥Æ¡¼¥Ö¥ë¤Î¥¸¥ª¥á¥È¥ê¾ðÊó¤òõ¤¹¤«¡¢
¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¥Æ¡¼¥Ö¥ë¤òÆɤó¤Ç¡¢
¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤¬¤¢¤ë¤Ê¤éºÇ½é¤Î¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤Î(endH+1,endS) ¤ò
(H,S) ¤È¤·¤Æ»ÈÍѤ·¤Þ¤¹¡£¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤¬¤Ê¤¤¤Ê¤é¤Ð¼¡¤Î¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹:
M &lt; 2^21 (1 GiB) ¤Ê¤é¤Ð H=64, S=32 ¡¢
M &lt; 63*2^17 (3.9 GiB) ¤Ê¤é¤Ð H=128, S=63 ¡¢
¤µ¤â¤Ê¤±¤ì¤Ð H=255, S=63 ¡£
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<DT><B>in2000:</B><DD><P>(H,S) = (64,32), (64,63), (128,63), (255,63)¤Î¤¦¤Á¡¢
C &lt;= 1024 ¤È¤Ê¤ëºÇ½é¤Î¤â¤Î¤ò»ÈÍѤ·¤Þ¤¹¡£
ºÇ¸å¤Î¤â¤Î¤ò»È¤¦¤È¤­¤Ë¤Ï¡¢C ¤Ï 1023 ¤Ë´Ý¤á¤é¤ì¤Þ¤¹¡£
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<DT><B>seagate:</B><DD><P>C,H,S ¤ò¥Ç¥£¥¹¥¯¤«¤éÆɤߤޤ¹(¤Ò¤£¤£¤£¤£¤Ã!)¡£
C ¤« S ¤¬Â礭¤¹¤®¤ì¤Ð¡¢ S=17, H=2 ¤È¤·¤Æ¡¢
C &lt;= 1024 ¤È¤Ê¤ë¤Þ¤Ç H ¤òÇܤˤ·¤Æ¤¤¤­¤Þ¤¹¡£
¤³¤ì¤Ï M &gt; 128*1024*17 (1.1 GiB) ¤Î¤È¤­¡¢
H ¤¬ 0 ¤ËÀßÄꤵ¤ì¤ë¤³¤È¤ò°ÕÌ£¤·¤Þ¤¹¡£¤³¤ì¤Ï¥Ð¥°¤Ç¤¹¡£
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<DT><B>ultrastor and u14_34f:</B><DD><P>¥³¥ó¥È¥í¡¼¥é¤Î¥Þ¥Ã¥Ô¥ó¥°¥â¡¼¥É¤Ë±þ¤¸¤Æ (H,S) = (16,63), (64,32), (64,63)
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<CODE>end = (endC,endH,endS)</CODE> ¤Ç¤¢¤ë¤È¤­¡¢
ñ¤Ë H = <CODE>endH+1</CODE> ¤ÇS = <CODE>endS</CODE> ¤È·×»»¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹
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<CODE>beginC</CODE> ¤¬¤â¤Ã¤È¤âÂ礭¤¤¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤òÁª¤Ó¤Þ¤¹¡£
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¤â¤·Î¾Êý¤ÎÅú¤¨¤¬°ìÃפ¹¤ë¤«¡¢<CODE>endC</CODE> = 1023 ¤«¤Ä
<CODE>start+length</CODE> ¤¬ <CODE>(endH+1)*endS</CODE> ¤ÎÀ°¿ôÇܤʤé¤Ð¡¢
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¤³¤ÎÊýË¡¤Ï¡¢C ¤òºÇÂç 1024, S ¤òºÇÂç 62 ¤Ë²¡¤µ¤¨¤ë¤è¤¦¤Ê¸ú²Ì¤¬¤¢¤ê¤Þ¤¹:
H = M/(62*1024) ¤ÇÀÚ¤ê¾å¤²¡¢
S = M/(1024*H) ¤ÇÀÚ¤ê¾å¤²
C = M/(H*S) ¤ÇÀÚ¤ê¼Î¤Æ¡£
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