Rob Horton wrote:
> I find on startup that the system hangs up when the boot command in grub
> is issued.

I suspect it's trying to use a VGA mode that isn't supported by that
LCD. 800x400 is an odd resolution.


> I am guessing that the boot process tries to talk to the monitor to get
> some sort of information. When the chassis mount monitor
> (presumably)fails to respond, the boot process looks like it is just
> sitting there, indefinately.

It could be trying to get the EDID information from the monitor to see
what it supports, but I find that highly unlikely.


> I can create a similar situation by trying to boot up with no monitor
> attached at all.

How can you tell if it's halting on boot if you don't have a monitor
setup? Serial console?


> tried the usual stuff like adding vga=771 etc. Didn't work.

Try vga=ask.

- Ken