Re: Graphics Window Setup

From: Bela Lubkin (belal_at_sco.com)
Date: 10/15/03

  • Next message: Bela Lubkin: "Re: Graphics Window Setup" 
    Date: Wed, 15 Oct 2003 05:05:39 GMT
To: scomsc@xenitec.ca

    Don Williams wrote:

    > Bela points out there is a BTL, OSS653A, to fix the initial VGA Recognition
    > problem with some mother boards.
    >
    > The ltr for that loader mentions the Intel 845 series boards (what I have),
    > and some IBM, Gateway, and Compaq systems and systems using AMI Bios issued
    > between early 2002 and mid-2003.
    >
    > I upgraded to Bios Version P10 which is dated 08/08/2003. That's the latest
    > I could find as of a few days ago and it doesn't fix the problem.
    >
    > I'm running a manually patched version of 5.0.6 but when I set the system to
    > boot from the OSR 5.0.6 CD I get a blank screen and then a flashing cursor,
    > no text, which is how it all started after the mother board change. This is
    > what caused the need for a patch.
    >
    > I don't know whether that problem has been fixed in 5.0.7 because the ltr
    > mentions that the BTL can be used with 5.0.2, 5.0.4, 5.0.5, 5.0.6, and
    > 5.0.7. Seems that if it were fixed in 5.0.7 that wouldn't be mentioned in
    > the lttr about the BTL.

    It was supposed to be fixed in OSR507, but the fix didn't work. At the
    time, nobody could point me at a machine that actually duplicated the
    problem, so I put in the best fix I could come up with without a test
    machine, and it wasn't good enough. Actually it's sort of good enough.
    OSR507 doesn't need oss653a, you can use a boot string "cn.primary=vga".
    Since oss653a does _work_ with OSR507, I documented it that way, giving
    507 users two choices.

    The problem you're referring to is a conflict between the OSR5 kernel
    console driver and your machine's BIOS. It has little to no bearing on
    the X server.

    > My Open Server thinks the graphics device is a VESA SiS, Standard VGA, VESA
    > SiS VBE (3.0) 1024X768 256-color.
    >
    > I don't know whether that came from the OS recognizing the board or from the
    > patch I typed in to force the system to be forced unconditionally to set for
    > a VGA card.

    The patch was so the console driver would recognize the card; so you
    could get text mode to work. X11 graphics drivers run as user
    processes. The string you show came from the machine's video BIOS and
    was obtained by user-level tools that call into the BIOS.

    You have an old hand-patch from when I was developing what became
    oss653a. oss653a is a cleaned-up version of the same thing. Both fix
    only text-mode problems.

    >Bela<

  • Next message: Bela Lubkin: "Re: Graphics Window Setup"

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