Google Groups no longer supports new Usenet posts or subscriptions. Historical content remains viewable.
Dismiss

Programm is not running witout VGA

0 views
Skip to first unread message

Nils Koehler

unread,
Feb 1, 2005, 5:21:30 AM2/1/05
to
Hello,

We have a Linux 2.4 running on a Kontron Dimm-PC.

The system Software is not running properly, when we

let run it without a VGA graphic card module installed.

any idea for us?

Is there any Switch to ignore the Grafic card BIOS

Kindest regards

Nils Köhler

-----------------------------------------------
Nils Köhler
IBT Interfaces
Im Taubhaus 19
63322 Rödermark
Germany

Tel: +49-6074-6964-160
Fax: +49-6074-6964-161


Marco Cavallini

unread,
Feb 1, 2005, 5:36:41 AM2/1/05
to
> We have a Linux 2.4 running on a Kontron Dimm-PC.
> The system Software is not running properly, when we
> let run it without a VGA graphic card module installed.
> any idea for us?

I think you should disable video support into the kernel and change kernel
boot options in order to send console output to a serial port (ttyS0)
instead of (tty0) for example.
Kind regards

Marco Cavallini
==============================================
Koan s.a.s. - Software Engineering (x86 and ARM)
Linux and WinCE solutions for Embedded and Real-Time Software
Klinux : the embedded distribution for industrial applications
- Microsoft Windows Embedded Partner
- Intel PCA Developer Network member
Via Pascoli, 3 - 24121 Bergamo - ITALIA
Tel. (++39) 035-255.235 - Fax (++39) 178-223.9748
http://www.koansoftware.com - http://www.klinux.org
==============================================


invalid-d...@sig.com

unread,
Feb 1, 2005, 5:39:53 AM2/1/05
to
In article <ctnl43$s7p$00$1...@news.t-online.com>,

"Nils Koehler" <nils.k...@ibt-interfaces.de> writes:
> We have a Linux 2.4 running on a Kontron Dimm-PC.
> The system Software is not running properly, when we
> let run it without a VGA graphic card module installed.

What do you mean by "System Software"? Linux Kernel, BIOS ?

> Is there any Switch to ignore the Grafic card BIOS

You can configure Linux to use e.g. a serial port as console and
you can remove the VGA console driver from the kernel. That should
do the trick as far as Linux is concerned.

For the BIOS: most of them need a VGA card/Keyboard for the configuration
dialog, so setting up the board configuration (and fixing it if there
was, e.g. a CMOS checksum error ...) can only be done with a VGA card
installed. Most BIOSes, however have an option where you can select
wether a VGA/EGA card is "installed". I forget the names of the
proper selections to be made, but this usually allows you to put
the board into a mode where it will boot without a VGA.

HTH

Rob

--
Robert Kaiser email: rkaiser AT sysgo DOT com
SYSGO AG http://www.elinos.com
Klein-Winternheim / Germany http://www.sysgo.com

Nils Koehler

unread,
Feb 2, 2005, 4:55:17 AM2/2/05
to
Thanks!


<invalid-d...@sig.com> schrieb im Newsbeitrag
news:ctnm9p$atk$01$3...@news.t-online.com...

Anton Erasmus

unread,
Feb 3, 2005, 3:20:30 PM2/3/05
to
On Tue, 1 Feb 2005 11:39:53 +0100, invalid-d...@sig.com wrote:

>In article <ctnl43$s7p$00$1...@news.t-online.com>,
> "Nils Koehler" <nils.k...@ibt-interfaces.de> writes:
>> We have a Linux 2.4 running on a Kontron Dimm-PC.
>> The system Software is not running properly, when we
>> let run it without a VGA graphic card module installed.
>
>What do you mean by "System Software"? Linux Kernel, BIOS ?
>
>> Is there any Switch to ignore the Grafic card BIOS
>
>You can configure Linux to use e.g. a serial port as console and
>you can remove the VGA console driver from the kernel. That should
>do the trick as far as Linux is concerned.
>
>For the BIOS: most of them need a VGA card/Keyboard for the configuration
>dialog, so setting up the board configuration (and fixing it if there
>was, e.g. a CMOS checksum error ...) can only be done with a VGA card
>installed. Most BIOSes, however have an option where you can select
>wether a VGA/EGA card is "installed". I forget the names of the
>proper selections to be made, but this usually allows you to put
>the board into a mode where it will boot without a VGA.
>

There is a VGA card emulator with a serial port available. You plug
this card into the PC, and it simulates enough of a VGA card to fool
the BIOS. All output to the console is then converted to a normal
RS-232 serial stream. I have forgotten the name of the company,
but it should be in the archives.

Regards
Anton Erasmus

0 new messages