Difference between revisions of "Boot an Iso image"

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You can boot install a bootmanager on CD. That`s called [[ISOLINUX]].
 
You can boot install a bootmanager on CD. That`s called [[ISOLINUX]].
  
However, you can chainload a CD using [http://sourceforge.net/projects/btmgr/ Smart Boot Manager], see [http://web.archive.org/web/*/http://gentoo-wiki.com/GRUB/Chainloaded_CD-ROM here].
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However, you can chainload a CD using [http://sourceforge.net/projects/btmgr/ Smart Boot Manager], see [http://web.archive.org/web/20080405082547/http://gentoo-wiki.com/GRUB/Chainloaded_CD-ROM here].
  
An even better method can be done with [http://grub4dos.sourceforge.net/wiki/index.php/Grub4dos_tutorial#Disk_emulation grub4dos]. Grub4dos can act as an CD-ROM emulator.
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An even better method can be done with [http://diddy.boot-land.net/grub4dos/files/map.htm#hd32 grub4dos].
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Grub4dos can act as an CD-ROM ''emulator''.
 
This is also possible if the BIOS has no native support for booting from CD-ROM.
 
This is also possible if the BIOS has no native support for booting from CD-ROM.
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Current versions of grub4dos can be found [http://code.google.com/p/grub4dos-chenall/downloads/list here].
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Note: just like floppy emulation ([[MEMDISK]] or grub4dos) this will only work as long the operating system is accessing the virtual disk using the BIOS. After the operating system loads its own drivers for accessing the controller it's very likely that this virtual disk can be no longer accessed.
 
Note: just like floppy emulation ([[MEMDISK]] or grub4dos) this will only work as long the operating system is accessing the virtual disk using the BIOS. After the operating system loads its own drivers for accessing the controller it's very likely that this virtual disk can be no longer accessed.
There is also currently no special application to stop this behavior (either full controller emulation or accessing the disk the legacy method).
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For examples, restrictions and workaround for booting ISO and floppy images with MEMDISK, see [[MEMDISK#ISO images]] and [[MEMDISK#INT 13h access: Not all images will complete the boot process.21]].

Latest revision as of 13:55, 20 June 2014

You can boot install a bootmanager on CD. That`s called ISOLINUX.

However, you can chainload a CD using Smart Boot Manager, see here.

An even better method can be done with grub4dos. Grub4dos can act as an CD-ROM emulator. This is also possible if the BIOS has no native support for booting from CD-ROM.

Current versions of grub4dos can be found here.


Note: just like floppy emulation (MEMDISK or grub4dos) this will only work as long the operating system is accessing the virtual disk using the BIOS. After the operating system loads its own drivers for accessing the controller it's very likely that this virtual disk can be no longer accessed.

For examples, restrictions and workaround for booting ISO and floppy images with MEMDISK, see MEMDISK#ISO images and MEMDISK#INT 13h access: Not all images will complete the boot process.21.