Mode 4 is UDMA 66
Mode 2 is UDMA 33
What UDMA 66 controller is in your box?
Tom
E T wrote:
> > > Mandrake 7.0.2 just refuses to be installed on my system (booting
> > > from a CD-ROM).
> > >
> > > I tried several times (including the "most default" installation),
> > > but it keeps crashing in the middle of installing the packages.
> > >
> > > Here's the post-mortem:
> > >
> > > Unable to handle kernel paging request at virtual address ffff0105
> > > current->tss.cr3 = 07f11000, %cr3 = 07f11000
> > > *pde = 00000000
> > > Oops : 0002
> > > CPU : 0
> > > EIP : 0010 : [<c011b0a4>]
> > > EFLAGS : 00010217
> > >
> > > .... snip ...
> > >
> > > Process runinstall2 (pid:9, process nr: 9, stackpage = c7f15000)
> > >
> > > My PC is nothing special:
> > > Athlon 650 MHz on Biostar M7MKA motherboard
> > > 128MB PC100 SDRAM
> > > 1 IDE harddrive (20Gb with the first 2Gb left for Windoze)
>
> Well, after 2 days of hair-pulling, I finally have a Linux system.
> The problem was in UDMA/33 CD-ROM. I knew that I had to disable
> UDMA/66 on the hard drive, but thought UDMA/33 is supported (my
> CD is on the secondary IDE controller). Now they're both DMA-disabled,
> in some purgatory that BIOS calls "Mode 4."
>
> Now, what is the safe way to get myself up from "Mode 4" to UDMA/33
> on both controllers? Award BIOS MKA1223B doesn't seem to have an
> intermediate option...
>
> --ET.
>
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