From: adam@address.invalid
unruh wrote:
> On 2012-05-18, Adam wrote:
>> 1) Boot up OEM Windows, create Windows recovery discs
>> 2) Boot from live CD, change MBR from UEFI to BIOS (which wipes
>> HD), repartition HD, copy Windows recovery discs to USB drive
>> 3) Boot from USB drive, reinstall OEM Windows from it
>> 4) Boot from Linux install discs and install it on HD
>
> Or, boot up OEM Windows. Use the Windows software to shrink the windows
> partition down (eg on mine it went from 280GB down to about 20GB)
> leaving a huge empty hole on the drive onto which you can put the Linux
> distro partitions.
Yes, that would be even simpler, if Linux would install on that.
That's exactly what I did with my current (2007) system.
> BIOS can read the disk, but only in the sense of loading data from
> some absolute sector number on the disk into memory
I was at the public library yesterday, and read the relevant three
pages of the 20th edition of Scott Mueller's (Windows-centric)
"Upgrading and Repairing PCs". He said the existing BIOS routines
(INT 13?) could only boot from HDs less that 2.2 TB, which has now
become a limitation. From what I read there and elsewhere, MS has
started using a new format (UEFI) for the MBR/partition table
sector, now on most/all PCs shipping with Windows. Fortunately new
versions of GRUB that can handle this are slowly appearing.
> MBR is the master boot record which is always on the hard
> disk, and constitutes a set of those bytes that the bios will transfer
> into memory and jump to.
And also the partition table, which if not in the same format (and
apparently UEFI isn't) won't work with existing versions of GRUB.
Adam
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