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Booting an ISO from a USB flash drive. (Read 23534 times)

MudCrab

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	Re: Booting an ISO from a USB flash drive. Reply #15 - Feb 9^th, 2010 at 11:44pm Yes. That's kind of what I meant. On some systems, swapping works better than others. Also, depending on the way it's done, it may work for some things and not for others. I think the ISO mapping is taking place at the same general level.
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NightOwl

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Re: Booting an ISO from a USB flash drive.
Reply #16 - Feb 10^th, 2010 at 12:20am

Brian

Quote:

NightOwl, you definitely need new hardware.

Couldn't agree more!!! I'll put it on my birthday *wish list*!

Clarify--

Quote:

run the Acronis Media Builder

Do you run this to create the Acronis ISO to boot from. If you have an ISO of another bootable disc--then running the *Media Builder* is not part of the necessary procedure?

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Brian

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	Re: Booting an ISO from a USB flash drive. Reply #17 - Feb 10^th, 2010 at 12:28am I'll pass that question to MudCrab. I didn't use the Acronis part of the tutorial.
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NightOwl

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	Re: Booting an ISO from a USB flash drive. Reply #18 - Feb 10^th, 2010 at 12:37am @ Brian Quote: I didn't use the Acronis part of the tutorial. So, I assume that means you didn't run the Acronis Media Builder, and it wasn't needed to create the other bootable ISOs being used--the Acronis Media Builder is just for the Acronis bootable ISO--correct?
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MudCrab

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Re: Booting an ISO from a USB flash drive.
Reply #19 - Feb 10^th, 2010 at 1:25am

Acronis Media Builder only needs to be run to either put the Acronis files on the flashdrive or create the Acronis ISO file. If you're not using Acronis software, you wouldn't use Media Builder. Just ignore any Acronis-specific instructions.

Just put the desired ISO files on the drive, add the entries to the menu.lst file, and it's ready to go (assuming you installed Grub4DOS to the drive already).

Standard WinPE builds can be booted directly too. Just add an entry to call bootmgr. This can be handy for booting WinPE setups that won't work correctly from an ISO (license checking problems and things like that). For example:
Code:

title Win7RescuePE
chainloader /BOOTMGR

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Brian

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	Re: Booting an ISO from a USB flash drive. Reply #20 - Feb 10^th, 2010 at 2:39am @ NightOwl With the TeraByte products you can create a bootable .... floppy CD USB flash drive or an ISO The other ISOs I'm using, I downloaded. The MS-DOS I'm using was a Win98SE ISO. I changed the format to 2.88 MB and added a few DOS apps.
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Brian

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	Re: Booting an ISO from a USB flash drive. Reply #21 - Feb 10^th, 2010 at 11:30am @ MudCrab I tried chainloader /BOOTMGR with a WinPE and saw Error :15 File not found (The ISO does contain BOOTMGR)
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MudCrab

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Re: Booting an ISO from a USB flash drive.
Reply #22 - Feb 10^th, 2010 at 12:48pm

Brian,

Sorry, I wasn't clear. bootmgr needs to be on the partition along with all the other WinPE files. For example, with a flashdrive, this would be the same type of flashdrive as if you setup the flashdrive using DISKPART, created a WinPE build, and then copied the files to the flashdrive.

In other words, you can take a standard WinPE setup and boot it directly with Grub4DOS via bootmgr. Examples include a VistaPE flashdrive, VistaPE CD, WinPE-based CD, or similar setups.

I have to do this with one of my WinPE-based imaging apps because the license can't be found when booted as an ISO. It can be found when booted normally. I have this setup on my hard drive partition. With Grub4DOS already installed, I just copy all the files/folders from the CD to the partition. You can only boot into one WinPE "bootmgr" setup this way. If you need multiple versions (like I do), you can setup additional BCD entries to boot them. In the end, the process is this: You boot to Grub4DOS, select your "WinPE/bootmgr" entry, and then select from the Windows Boot Manager menu which sub-item you want.

Another advantage of using this method is that you can work with any files directly as they are not packed into an ISO file. In a VistaPE build, for example, you could update or modify any files (including programs) not packed into the WIM file. If you need to modify the WIM file, you'd have to mount it or rebuild. This helps with testing more than general use, though.

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Brian

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Re: Booting an ISO from a USB flash drive.
Reply #23 - Feb 11^th, 2010 at 2:45pm

MudCrab

MudCrab wrote on Feb 10^th, 2010 at 12:48pm:

I have to do this with one of my WinPE-based imaging apps because the license can't be found when booted as an ISO. It can be found when booted normally.

I just noticed that with the Demo of Active@ Boot Disk. When I tried to boot the ISO it asked for a name and serial. The app loads when using the program created USB flash drive.

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