Re: Cheat codes for an HP 800CT Omnibook Laptop
Dear John,
On Mon, Mar 05, 2007 at 05:44:29PM -0800, John Conover wrote:
> Klaus Knopper writes:
> > On Mon, Mar 05, 2007 at 04:37:01PM -0800, John Conover wrote:
> > > Are there any Knoppix cheat codes for the HP 800CT Omnibook?
> >
> > Probably yes, but what are the Symptoms, what's the error message, at
> > which point does it stop booting?
> >
>
> Thanks, Klaus. The CD is not bootable on such an ancient machine, so I
> made a boot and root floppy, booted with a Knoppix 3.6 CD in the
> CDROM, installed the root floppy when prompted, and it boots to KDE,
> but the display is splattered, (looks like an X problem-windows are
> not disappearing when closed, and overwritten with new text-moving a
> shell results in the text behind the shell window being displayed in
> the shell window, too.)
Could also be read errors from CD, these can cause all kinds of strange
effects. Please check the "dmesg" output for read errors.
> Knoppix says its a NeoMagic NM2070 graphics chip, (some docs on the
> Internet confirm that this is correct,) and I have unsuccessfully
> tried Xmodule=svga, (the X server fails,) and both Fb800x600 and
> fb1024x768 which seem to have no effect.
Have you tried "knoppix xmodule=vesa"? Please be aware that options are
case-sensitive.
> I don't know if it is related, but at boot, I get a "You Passed an
> Undefined Mode Number" message, and I have to choose 80x25.
This is just caused by the fact that the NM2070 does not offer a
1024x768 framebuffer resolution in texmode - at least not without an
additional compiled-in module.
You can try to do a network boot instead of using a bootfloppy
(bootfloppies don't exist anymore in recent Knoppix versions, since the
kernel alone is already over 2MB. For booting Knoppix via PXE, a second
computer running the "knoppix terminalserver" provides network boot
capabilities, and with a boot floppy from http://rom-o-matic.net/ , even
old computers can boot over a network.
With kind regards
-Klaus knopper
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