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comp / comp.os.linux.misc / How to use old VGA monitor with uefi?

SubjectAuthor
* How to use old VGA monitor with uefi?Tim Ritberg
`* Re: How to use old VGA monitor with uefi?Grant Taylor
 `* Re: How to use old VGA monitor with uefi?Tim Ritberg
  `- Re: How to use old VGA monitor with uefi?Grant Taylor

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Subject: How to use old VGA monitor with uefi?
From: Tim Ritberg
Newsgroups: comp.os.linux.misc
Date: Sun, 5 May 2024 12:58 UTC
Path: eternal-september.org!news.eternal-september.org!feeder3.eternal-september.org!weretis.net!feeder8.news.weretis.net!reader5.news.weretis.net!news.tota-refugium.de!.POSTED!not-for-mail
From: tim@server.invalid (Tim Ritberg)
Newsgroups: comp.os.linux.misc
Subject: How to use old VGA monitor with uefi?
Date: Sun, 5 May 2024 14:58:13 +0200
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Hi!

I have a new home server with efi bios and want to use my old 14" VGA
monitor (AOC cmlb-335).

How to setup grub2 to use 640x480 or 800x600 with 60-70Hz?
GRUB_GFXMODE="640x480x16" does not work well. Screen is not readable
then, seems to be out of range.

Grapics is buildin Ryzen 5 4600G.

Tim

Subject: Re: How to use old VGA monitor with uefi?
From: Grant Taylor
Newsgroups: comp.os.linux.misc
Organization: TNet Consulting
Date: Sun, 5 May 2024 20:03 UTC
References: 1
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From: gtaylor@tnetconsulting.net (Grant Taylor)
Newsgroups: comp.os.linux.misc
Subject: Re: How to use old VGA monitor with uefi?
Date: Sun, 5 May 2024 15:03:19 -0500
Organization: TNet Consulting
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On 5/5/24 07:58, Tim Ritberg wrote:
> Hi!

Hi.

> I have a new home server with efi bios and want to use my old 14" VGA
> monitor (AOC cmlb-335).

What does the firmware have to do with if VGA works or not?

> How to setup grub2 to use 640x480 or 800x600 with 60-70Hz?
> GRUB_GFXMODE="640x480x16" does not work well. Screen is not readable
> then, seems to be out of range.

That's a graphics configuration problem.

Try text mode without graphics.

> Grapics is buildin Ryzen 5 4600G.

I would sincerely hope that it still supports the venerable VGA text modes.

--
Grant. . . .

Subject: Re: How to use old VGA monitor with uefi?
From: Tim Ritberg
Newsgroups: comp.os.linux.misc
Date: Sun, 5 May 2024 20:15 UTC
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From: tim@server.invalid (Tim Ritberg)
Newsgroups: comp.os.linux.misc
Subject: Re: How to use old VGA monitor with uefi?
Date: Sun, 5 May 2024 22:15:04 +0200
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Am 05.05.24 um 22:03 schrieb Grant Taylor:
> On 5/5/24 07:58, Tim Ritberg wrote:
>> Hi!
>
> Hi.
>
>> I have a new home server with efi bios and want to use my old 14" VGA
>> monitor (AOC cmlb-335).
>
> What does the firmware have to do with if VGA works or not?
Because UEFI killed VGA VESA.

Tim

Subject: Re: How to use old VGA monitor with uefi?
From: Grant Taylor
Newsgroups: comp.os.linux.misc
Organization: TNet Consulting
Date: Sun, 5 May 2024 23:44 UTC
References: 1 2 3
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From: gtaylor@tnetconsulting.net (Grant Taylor)
Newsgroups: comp.os.linux.misc
Subject: Re: How to use old VGA monitor with uefi?
Date: Sun, 5 May 2024 18:44:18 -0500
Organization: TNet Consulting
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On 5/5/24 15:15, Tim Ritberg wrote:
> Because UEFI killed VGA VESA.

Thank you for explaining. I was not aware of that.

--
Grant. . . .

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