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Author Topic: Changing to the next device in the boot sequence via DOS  (Read 2468 times)

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yossarian

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Changing to the next device in the boot sequence via DOS
« on: August 07, 2007, 02:58:05 PM »
Once booted into DOS from a USB Flash disk, is it possible to exit DOS and have the loader switch control to the next device in the boot sequence (from USB to CD-ROM or Hard disk)?  Thanks.
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patio

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Re: Changing to the next device in the boot sequence via DOS
« Reply #1 on: August 07, 2007, 03:00:49 PM »
No.
The boot order is determined by the BIOS...way before DOS loads...
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yossarian

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Re: Changing to the next device in the boot sequence via DOS
« Reply #2 on: August 07, 2007, 06:19:28 PM »
Just to clarify, I don't mean DOS finding the boot order in BIOS, I just mean DOS booting to another device.  So I couldn't have DOS check for an MBR on the CD drive (after loading drivers for it), then on the hard disk, and booting into one of those devices if an MBR is found?
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Deerpark



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    Re: Changing to the next device in the boot sequence via DOS
    « Reply #3 on: August 07, 2007, 06:26:08 PM »
    It is the BIOS that boots a device, so no, there's no way to get DOS to do what you want.
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