Changing my C drive what is boot sequence

March 5, 2011 at 02:32:54
Specs: Windows XP
Hi I am having problems with my C drive so I am buying a bigger drive to re-install windows on. How do you decide the boot sequence on SATA? I know that you would change the jumpers on the old IDE drives but I am not sure about SATA.

I would like to keep the old C drive as well and do not want to reformat that as I may need a program, ( I have so many that it is going to be a while until everything is up and running.) I don't want it to boot up though. Is there a way?

Jo


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#1
March 5, 2011 at 02:35:47
With SATA drives you should set the boot sequence in the BIOS.

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#2
March 5, 2011 at 05:50:38
Hi there, thanks for your reply.

Ah, so I see them there and select which one I want to boot from and the other drive wouldn't try to boot as the first had already launched Windows. Is that correct ?

Jo


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#3
March 5, 2011 at 07:05:43
For a long time now it has been possible to select the boot drive from the BIOS without changing jumpers regardless of whether the drives are P-ATA or S-ATA.

The necessity to boot from drive C: was a throw back to MS-DOS and with the demise of MS-DOS With Windows 2000/XP, it is no longer a necessity.

To be strictly accurate the BIOS never boots from drive C: becasue the BIOS has no knowledge of drive letters, That is strictly something determined by the operating system at boot time. The BIOS boots from the the first primary bootable partition it finds on the designated drive . That nearly always just happens to be drive C: although it could be any drive letter that Windows allocates to it.

In the days a MS-DOS and MS-DOS based operating system like Windows 98, the BIOS attempted to to boot from the first primary partition in the system, which was invariably drive C:, and it would ignore any other primary partitions.

In those days a drive could only have one active primary partition. No so with modern computers. These days you can have four primary partitions on the same drive, all bootable if you chose to make it so. In that case you would need some kind of boot manager in order to determine which partition to boot from.

Stuart


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#4
March 5, 2011 at 08:29:43
OK I have put a new Hard drive on, selected boot from CD, put my Windows XP cd in and started the PC and now I just get disk boot error please insert disc and hit enter. I do that and it just goes back to the error message. Any ideas??

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#5
March 5, 2011 at 08:46:26
Are you sure you are booting from the CD. When you selected Boot From CD, did you save the settings and not just re-boot.

Stuart


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