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 grub4dos, .iso images and (hd32) or (0xFF) mapping, Post here ONLY reports of working setups!
post Jun 25 2008, 02:00 PM
Post #1
was_jaclaz
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Group: Advanced user

  Joined: 14-July 06 From: Gone in the mist

Posts: 7,226
Thank(s): 560


Italy


This thread is reserved for people reporting their success using newish releases of grub4dos that allow for direct booting to a .iso imaging through mappig the ISO image to (hd32).

Ideally, any user who had some success with this way of booting can post here reporting what he succeeded with and how he did it, links to other boards, tutorials guides related to the matter are also welcome.

PLEASE NO request for help here, post them in the grub4dos forum.

PLEASE NO "Nice, thank you!" kind of posts.

PLEASE NO "Ha, this is not useful!" type of comments.

This thread should become simply a list of working setups, no more, no less. smile.gif

Thanks for cooperation.

jaclaz


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post Jun 26 2008, 01:13 AM
Post #2
Galapo
Platinum Member   ******
Group: .script developer

  Joined: 16-July 06
Posts: 3,599
Thank(s): 339


Australia


I have had success with the feature with a ram-loading LiveXP from usb stick with grub4dos loaded to mbr of the stick. That is, BootSDI script is used and hence files from Windows 2k3.

Working for me:
CODE
title LiveXP - mem
find --set-root --ignore-floppies /!images/iso/LiveXP_RAM.iso
map --mem /!images/iso/LiveXP_RAM.iso (hd32)
map --hook
chainloader (hd32)
boot


Not working for me (although works from harddisk if grub4dos is started from boot.ini entry):
CODE
title LiveXP - direct
find --set-root --ignore-floppies /!images/iso/LiveXP_RAM.iso
map /!images/iso/LiveXP_RAM.iso (hd32)
map --hook
chainloader (hd32)
boot


Regards,
Galapo.


--------------------
galapo.boot-land.net
------
Recommended steps to build LiveXP:
1) Download suitable WinBuilder.exe from here and run it;
2) Update through the Download Center by clicking the 'Download' button; and
3) Then build LiveXP by pressing the 'Play' button.
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post Jun 27 2008, 12:36 PM
Post #3
SamK
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Group: Members

  Joined: 10-June 08
Posts: 44
Thank(s): 0


Objective:
To directly boot the DBan ISO file stored on a CD-ROM.


This post relates to:
Grub4DOS v 4.0.3
http://grub4dos.jot.com/WikiHome
DBan v 2.0 Beta ISO
http://sourceforge.net/project/downloading...042900_i386.zip


Sofware tools required:
mkisofs
http://cdrecord.berlios.de/private/cdrecord.html
ImgBurn
http://imgburn.com


File Structure
QUOTE
ISOBuild
\iso_root
\images
\dban-beta.2006042900_i386.iso
grldr
menu.lst
mkisofs.exe



menu.lst
CODE
title WIPE DISKS   ---   DBan 2.0.0 Beta
   map  /images/dban-beta.2006042900_i386.iso (hd32)
   map  --hook
   kernel (hd32)/ISOLINUX/DBAN.BZI nuke="dwipe --method zero" silent
   boot
Note: "--method zero" sets the default wipe to a single pass of 0 written to disk. Other methods are listed within the DBan interface.


ISO Creation
CODE
mkisofs -R -b grldr -no-emul-boot -boot-load-seg 0x1000 -volid "Volume Name" -o bootable.iso iso_root



ISO Burning
Use ImgBurn to burn "bootable.iso" to CD-ROM


Result
A bootable CD-ROM which displays a menu from which DBan can be started.
+Quote Post
post Jun 27 2008, 06:22 PM
Post #4
ilko
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Group: Advanced user

  Joined: 27-May 07
Posts: 248
Thank(s): 14


Bulgaria


Acronis True Image 10/Disk Director 10.
Use Bootable Rescue Media Builder to build the ISO. Name it acronis10.iso, copy it wherever you want.
Menu.lst for it:
CODE
title Acronis media
find --set-root /acronis10.iso
map /acronis10.iso (hd32)
map --hook
root (hd32)
chainloader (hd32)


Paragon HD manager 8.0 Special Edition. This is still available with a free registration:
http://www.vnudownloads.com/hdm8_se-20070203-0000-en.exe
http://registry.paragon-software.com/hdm8pers/

When you install it get the ISO from \Program Files\Paragon Software\Hard Disk Manager 8 Special Edition\ISO\bootcd.iso.
If it's not there, open the program and tools->recovery media builder and make it.

I renamed the ISO to hdmanager.iso, copy it wherever you want. Menu.lst for it:
CODE
title Paragon HD manager 8.0
find --set-root /hdmanager.iso
map /hdmanager.iso (hd32)
map --hook
root (hd32)
chainloader (hd32)


For both of them- if you change map --mem /hdmanager.iso (hd32) / map --mem /acronis10.iso (hd32)
you will be able to manipulate the partition, even overwriting the respective ISO or partition, as they the ISO will be running entirely from RAM.
+Quote Post
post Jul 4 2008, 08:19 AM
Post #5
diddy
Member   **
Group: Tutorial Writer

  Joined: 3-July 08
Posts: 65
Thank(s): 38


Tested with grub4dos-0.4.3-2008-03-14 on qemu

FreeDOS base CD (fdbasecd.iso) - success

CODE
title fdbasecd.iso (0xFF)
find --set-root /fdbasecd.iso
map /fdbasecd.iso (0xFF)
map --hook
root (0xFF)
kernel /isolinux/data/memdisk
initrd /isolinux/data/fdboot.img

or
CODE
title fdbasecd.iso (0xFF)
find --set-root /fdbasecd.iso
map /fdbasecd.iso (0xFF)
map --hook
root (0xFF)
map --mem /isolinux/data/fdboot.img (fd0)
map --rehook
chainloader (fd0)+1
rootnoverify (fd0)

Note - mapping as (hd32) resulted in missing CD error.



FreeDOS full CD (fdfullcd.iso) - partial success

CODE
title fdfullcd.iso (0xFF)
find --set-root /fdfullcd.iso
map /fdfullcd.iso (0xFF)
map --hook
root (0xFF)
kernel /isolinux/data/memdisk
initrd /isolinux/data/fdboot.img

or
CODE
title fdfullcd.iso (0xFF)
find --set-root /fdfullcd.iso
map /fdfullcd.iso (0xFF)
map --hook
root (0xFF)
map --mem /isolinux/data/fdboot.img (fd0)
map --rehook
chainloader (fd0)+1
rootnoverify (fd0)

Note - mapping as (hd32) resulted in missing CD error.

Installing option works. Live CD options do not.

diddy


--------------------
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post Jul 10 2008, 02:10 AM
Post #6
Galapo
Platinum Member   ******
Group: .script developer

  Joined: 16-July 06
Posts: 3,599
Thank(s): 339


Australia


QUOTE (Galapo @ Jun 26 2008, 11:13 AM) *
Not working for me (although works from harddisk if grub4dos is started from boot.ini entry):
CODE
title LiveXP - direct
find --set-root --ignore-floppies /!images/iso/LiveXP_RAM.iso
map /!images/iso/LiveXP_RAM.iso (hd32)
map --hook
chainloader (hd32)
boot


Interestingly, the above works if grldr is written as the bootsector of the ISO image!

Regards,
Galapo.


--------------------
galapo.boot-land.net
------
Recommended steps to build LiveXP:
1) Download suitable WinBuilder.exe from here and run it;
2) Update through the Download Center by clicking the 'Download' button; and
3) Then build LiveXP by pressing the 'Play' button.
+Quote Post
post Jul 27 2008, 09:10 AM
Post #7
mr_
Frequent Member   ***
Group: Members

  Joined: 19-June 08
Posts: 357
Thank(s): 9


Germany


situation:
  • XP encrypted with TrueCrypt installed on internal harddisk
  • using USB pendrive
  • grub4dos installed into MBR on USB pendrive
  • booting USB pendrive with BIOS
  • tc.iso is the rescue CD iso image created by TrueCrypt system encryption wizzard


pros:
  • bootmanger on USB pendrive will be never overwritten by any operating system, therefore no need to fix it ever
  • the MBR of the internal harddisk does not need to be touched
  • the bootmanager appears first where you can choose what operating system you like to boot
  • when choosed the rescue image you can enter your password and boot windows
  • you don't need to burn the TrueCrypt rescue cd, you save one cd you may need never, when encrypting many computers you have just a collection of iso images on USB and not many cd's


QUOTE
title tc.iso
map --mem /tc.iso (hd32)
map --hook
chainloader (hd32)

Works very well!
+Quote Post
post Aug 2 2008, 11:12 PM
Post #8
e2p2