OS/2, eCS & ArcaOS - Technical > Virtualization

Win-OS/2 - Open vbesvga.drv video driver

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Roderick Klein:

--- Quote from: Martin Iturbide on December 11, 2025, 04:15:22 pm ---Hello

At the testing mail list, Lewis told me that ArcaOS  cannot recommend this driver and will not use any of the code. They don't specify why, but I'm guessing it does not detail the license of use and for commercial software this has to be clear as water.

I was suggested to open a ticket so they can try to solve the issue.
The ticket is right here for people that wants to follow it:
- mantis.arcanoae.com/view.php?id=3855

Regards

--- End quote ---

The WIN/OS2 driver for full screen and WIN/OS2 seamless session from IBM uses GRADD calls somehow and not BIOS calls. This route is possibly more stable then using the VESA based graphics driver. The other issue is that for UEFI boot with ArcaOS the video VESA BIOS is limited in functionality compared to a BIOS system. And this seems to even less receommend by Dixie.

Roderick

walking_x:
This driver is definitely only suitable for non-UEFI systems.
In UEFI, this will replace native driver calls with VESA emulation in VEFI.SYS, which will add a delay and and increase CPU load ...

Martin Iturbide:
Hi

Just in case, for non-UEFI systems, version 1.0 beta 1 of  vbesvga.drv was released.
- https://github.com/PluMGMK/vbesvga.drv/releases

Regards

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