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6. BIOS ¤¬°·¤¨¤Ê¤¤ÂçÍÆÎ̥ǥ£¥¹¥¯¤ò¥¢¥¯¥»¥¹

»ä¤Î¥ª¥Õ¥£¥¹¤Î¥·¥¹¥Æ¥à¤Ë¤Ï 1GB ¤Î IDE ¥É¥é¥¤¥Ö¤¬¤¢¤ê¤Þ¤¹¤¬¡¢BIOS ¤«¤é¤Ï ºÇ½é¤Î 504MB ¤·¤«¸«¤¨¤Þ¤»¤ó¡£¡Ê¤³¤³¤Ç¤Ï MB = 1000 ¥Ð¥¤¥È¤Ç¤Ï¤Ê¤¯¡¢1024 ¥Ð¥¤¥È¤È¤·¤Þ¤¹¡Ë¤Ç¤¹¤«¤é¡¢MS-DOS ¤ò 350MB ¥Ñ¡¼¥Æ¥£¥·¥ç¥ó /dev/hda1 ¤Ë¡¢Linux ¤Î¥ë¡¼¥È¤ò 120MB ¥Ñ¡¼¥Æ¥£¥·¥ç¥ó /dev/hda2 ¤ËÃÖ¤¤¤Æ¤¤¤Þ¤¹¡£

¡ÊÌõÃí¡§¥Ð¥¤¥È¿ô¤òɽ¸½¤¹¤ëºÝ¤Ë¤Ï¡¢K = 1024¡Ê¤Ä¤Þ¤ê 1KB = 1024¡Ë¤È¤¤¤¦·è ¤Þ¤ê¤¬¤¢¤ê¤Þ¤¹¤¬¡¢M = 1024KB ¤È¤¤¤¦·è¤Þ¤ê¤Ï¤¢¤ê¤Þ¤»¤ó¡£¤Ç¤¹¤«¤é³Æ HDD ¥á¡¼ ¥«¡¼¤Ï M = 1000KB ¤È¤·¤Æ HDD ¤ÎÍÆÎ̤òɽ¤·¤Æ¤¤¤Þ¤¹¡£¤Á¤Ê¤ß¤Ë¡¢k ¤È¾®Ê¸»ú ¤Çµ­½Ò¤·¤¿¾ì¹ç k = 1000 ¤È¤Ê¤ê¤Þ¤¹¡Ë

Çã¤Ã¤Æ¤­¤¿¤Ð¤«¤ê¤Î¥É¥é¥¤¥Ö¤Ç¤Ï¡¢MS-DOS ¤Ï¼«Ê¬¼«¿È¤òÀµ¾ï¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤¹ ¤ë¤³¤È¤¬¤Ç¤­¤Þ¤»¤ó¤Ç¤·¤¿¡£Novell DOS 7 ¤Ë¤âƱ¤¸ÌäÂ꤬¤¢¤ê¤Þ¤·¤¿¡£¤µ¤é¤Ë ¹¬±¿¤Ê»ö¤Ë¡¢"IBM ¤ÎÁªÄêÀè" ¤Ï "OnTrack" ¥Ç¥£¥¹¥¯¤ò¥É¥é¥¤¥Ö¤Î¥Ñ¥Ã¥±¡¼¥¸¤Î Ãæ¤ËÆþ¤ì˺¤ì¤Æ¤¤¤Þ¤·¤¿¡£¥É¥é¥¤¥Ö¤Ë¤Ï "OnTrack Disk Manager" ¤È¤¤¤¦À½Éʤ¬ ÉÕ°¤·¤Æ¤¤¤ë¤Ï¤º¤Ç¤·¤¿¡£MS-DOS ¤·¤«»ý¤Ã¤Æ¤¤¤Ê¤¤¾ì¹ç¡¢¤½¤ì¤ò»È¤¦É¬Íפ¬¤¢ ¤ë¤Ç¤·¤ç¤¦¡£

¡ÊÌõÃí¡§¤ª¤½¤é¤¯¥É¥é¥¤¥Ö¤¬ IBM À½¤Ç¡¢IBM ¤¬¥Ñ¥Ã¥±¡¼¥¸¥ó¥°¤òȯÃí¤·¤Æ¤¤¤ë ²ñ¼Ò¡¿¹©¾ì¤¬¥Þ¥Ë¥å¥¢¥ë¤òÆþ¤ì˺¤ì¤¿¤È¤¤¤¦¤³¤È¤Ç¤·¤ç¤¦¡Ë

¤½¤³¤Ç¡¢¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¥Æ¡¼¥Ö¥ë¤ò Linux ¤«¤éºî¤ê¤Þ¤·¤¿¤¬¡¢MS-DOS 6.2 ¤Ï /dev/hda1 ¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤¹¤ë»þ¤Ë ``this release of MS-DOS is for new installations. Your computer already has MS-DOS so you need to get an upgrade release from your dealer.'' ¤È¤¤¤¦¥á¥Ã¥»¡¼¥¸¤¬É½¼¨¤µ¤ì¤Þ ¤·¤¿¡£¤Ç¤¹¤¬¡¢¤³¤Î¥Ç¥£¥¹¥¯¤Ï¿·ÉʤǤ·¤¿¡£

¡ÊÌõÃí¡§¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤ò¤¢¤¨¤ÆÌõ¤¹¤È¤¹¤ë¤È¡¢``¤³¤Î¥ê¥ê¡¼¥¹¤Î MS-DOS ¤Ï ¿·µ¬¥¤¥ó¥¹¥È¡¼¥ëÍѤǤ¹¡£¥³¥ó¥Ô¥å¡¼¥¿¡¼¤Ë¤Ï¤¹¤Ç¤Ë MS-DOS ¤¬¥¤¥ó¥¹¥È¡¼¥ë¤µ ¤ì¤Æ¤¤¤Þ¤¹¡£¥¢¥Ã¥×¥°¥ì¡¼¥ÉÈǤòÆþ¼ê¤¹¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£''¤Ç¤·¤ç¤¦¤«¡£ÆüËÜ ¸ìÈÇ MS-DOS ¤ò»ý¤Ã¤Æ¤¤¤Ê¤¤¤Î¤Ç¡¢³Îǧ¤Ï¤Ç¤­¤Þ¤»¤ó¤¬¡£¤´Â¸¤¸¤ÎÊý¤ÏËÝÌõ¼Ô (cz8cb01@linux.or.jp)¤Þ¤Ç¤´°ìÊó¤ò :-)¡Ë

¤Ê¤ó¤Æ¤³¤Ã¤¿¡£¤½¤ì¤«¤é Linux ¤Î fdisk ¤òºÆ¤Ó¼Â¹Ô¤·¤ÆºîÀ®¤·¤¿¥Ñ¡¼¥Æ¥£¥·¥ç ¥ó 1 ¤òºï½ü¤·¤Þ¤·¤¿¡£¤³¤ì¤Ç MS-DOS 6.2 ¤¬Ëþ­¤·¤¿¤Î¤«¡¢¤¤¤Þºï½ü¤·¤¿¤Î¤È ¤Þ¤Ã¤¿¤¯Æ±¤¸¥Ñ¡¼¥Æ¥£¥·¥ç¥ó 1 ¤òºîÀ®¤¹¤ë¤È¡¢¤½¤³¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤Ç¤­¤Þ¤·¤¿¡£ MS-DOS 6.2 ¤Ï¤½¤Î¥É¥é¥¤¥Ö¤Î MBR ¤Ë½ñ¤­¹þ¤ß¤Þ¤·¤¿¤¬¡¢¥Ö¡¼¥È¤¹¤ë¤³¤È¤Ï¤Ç¤­ ¤Þ¤»¤ó¤Ç¤·¤¿¡£

¹¬¤¤¡¢Slackware ¤Î¥«¡¼¥Í¥ë¤¬¥Õ¥í¥Ã¥Ô¡¼¡ÊSlackware ¥¤¥ó¥¹¥È¡¼¥ë¥×¥í¥°¥é¥à ¤Î "setup" ¤Çºî¤é¤ì¤¿¤â¤Î¡Ë¤Ë¤¢¤Ã¤¿¤Î¤Ç¡¢Linux ¤ò¥Ö¡¼¥È¤·¤Æ Lilo ¤Ç MS-DOS ¤Î²õ¤ì¤¿ MBR ¤ò¾å½ñ¤­¤·¤Þ¤·¤¿¡£¤³¤ì¤Ï¤¦¤Þ¤¯¤¤¤­¤Þ¤·¤¿¡£¤³¤ì¤¬»È ÍѤ·¤¿ /etc/lilo.conf ¤Ç¤¹¡£

boot = /dev/hda
map = /lilo-map
delay = 100
ramdisk = 0             # Slackware ¥«¡¼¥Í¥ë¤Î¥é¥à¥Ç¥£¥¹¥¯¤ò¥ª¥Õ
timeout = 100
prompt
disk = /dev/hda         # BIOS ¤Ï»Ï¤á¤Î 500MB ¤Î¤ßǧ¼±
   bios = 0x80          # 1 ÈÖÌܤΠIDE ¤ò»ØÄê
   sectors = 63         # ¥É¥é¥¤¥Ö¤Î¥Þ¥Ë¥å¥¢¥ë¤«¤é¤³¤Î¿ôÃͤòÄ´¤Ù¤Æ¤¯¤À¤µ¤¤
   heads = 16
   cylinders = 2100
image = /vmlinuz
  append = "hd=2100,16,63"
  root = /dev/hda2
  label = linux
  read-only
  vga = extended
other = /dev/hda1
  label = msdos
  table = /dev/hda
  loader = /boot/chain.b

¤³¤ì¤é¤Î¥·¥¹¥Æ¥à¤ò¥¤¥ó¥¹¥È¡¼¥ë¤·¤¿¸å¡¢zImage, boot.b, map, chain.b ¤ª¤è ¤Ó ¥á¥Ã¥»¡¼¥¸¥Õ¥¡¥¤¥ë¤Î¤¢¤ë¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤¬ msdos fs¡Ê¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¡Ë ¤ò¡¢"stackered" ¤ä "doublespaced" ¤µ¤ì¤Æ¤¤¤Ê¤¤¸Â¤ê¡¢»ÈÍѤǤ­¤ë¤³¤È¤ò³Îǧ ¤·¤Þ¤·¤¿¡ÊÌõÃí¡§"stackered" ¤Ï Stacker¡¢"doublespaced" ¤Ï Double Space ¤Ç°µ½Ì¤µ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î»ö¤Ç¤·¤ç¤¦¡£²û¤«¤·¤¤¤Ç¤¹¤Í¡Ê¾Ð¡Ë¡Ë¡£¤³ ¤ì¤Ç¡¢DOS ¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤ò /dev/hda1 500MB ¤ËºîÀ®¤¹¤ë¤³¤È¤¬¤Ç¤­ ¤Þ¤·¤¿¡£

»ä¤Ï "OnTrack" ¤¬¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¥Æ¡¼¥Ö¥ë¤òÀèÆ¬¤«¤é¤Ç¤Ï¤Ê¤¯¿ô½½¥Ð¥¤¥ÈÀ褫 ¤é½ñ¤¤¤Æ¤·¤Þ¤¦¤³¤È¤òÃΤäƤ¤¤Þ¤·¤¿¡£¤³¤ÎÌäÂê¤Ï Linux ¤Î IDE ¥É¥é¥¤¥Ð¤ò¥Ï¥Ã ¥¯¤¹¤ë¤³¤È¤ÇÂнè¤Ç¤­¤Þ¤¹¤¬¡¢¥³¥ó¥Ñ¥¤¥ëºÑ¤ß¤Î Slackware ¥«¡¼¥Í¥ë¤Ç¤Ï¥¤¥ó ¥¹¥È¡¼¥ë¤¹¤ë¤³¤È¤Ï¤Ç¤­¤Þ¤»¤ó¤Ç¤·¤¿¡£ºÇ½ªÅª¤Ë¡¢IBM ¤Ï "OnTrack" ¥Ç¥£¥¹¥¯ ¤òÁ÷¤Ã¤Æ¤­¤Þ¤·¤¿¡£OnTrack ¤Î¥Æ¥¯¥Ë¥«¥ë¥µ¥Ý¡¼¥È¤ËÅÅÏä·¤¿¤È¤³¤í¡¢Linux ¤Ï BIOS ¤ò»È¤ï¤Ê¤¤¤«¤é·ç´ÙÉʤÀ¤È¸À¤ï¤ì¤Þ¤·¤¿¡£¤³¤Î¥Õ¥í¥Ã¥Ô¡¼¥Ç¥£¥¹¥¯¤Ïï ¤«¤Ë¤¢¤²¤Æ¤·¤Þ¤¤¤Þ¤·¤¿¡£

¡ÊÌõÃí¡§¤¤¤Ä¤«¤é¼ÂÁõ¤µ¤ì¤¿¤Î¤«¤ÏÃΤê¤Þ¤»¤ó¤¬¡¢¸½ºß¤Ç¤Ï Linux ¤Îɸ½à¥«¡¼ ¥Í¥ë¤Ë DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤ DiskManager ¤ä EZ Drive ¤ËÂбþ¤¹¤ë¥³¡¼¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤Ï¤º