Re: Strange graphics issues on G5 with NVIDIA 6600

On Tuesday, January 12, 2021, Jason Bacon <[email protected]> wrote:

> On 1/12/21 1:00 PM, Mark Millard via freebsd-ppc wrote:
>
>>
>> On 2021-Jan-12, at 08:22, Dennis Clarke via freebsd-ppc <freebsd-ppc at
>> freebsd.org> wrote:
>>
>> <snip>
>>>
>>>> I didn't put any serious effort into resolving the resolution issues, so
>>>> it might be possible to get it working beyond 640x480. Or maybe there's
>>>> another card that someone on this list can verify works well?
>>>>
>>>> Off topic slightly but exactly what and how did you even do an install
>>> on this box?  I have four of these units laying around wherein one of
>>> them is a workable unit with the so-called "quad" PPC64 config. Not
>>> much runs on them these days and that includes Debian Linux wherein
>>> the installer is slightly broken. Slightly. There just is not much in
>>> the way of resources alive and workingout there that cares to debug
>>> the multitude of issues we face with this architecture. So I have to
>>> ask you, what did you use to install FreeBSD on this unit? I have not
>>> seen a workable installer in at least a year.
>>>
>> A possibility:
>>
>> Jason M. originally specified "iMac G5", so probably 1-socket/1-core-each.
>> A lot of the operational problems are likely associated with multi-socket
>> and/or multi-core, per the workarounds of making such systems only use one
>> cpu (in FreeBSD terms).
>>
>> I've never had access to a 1-socket/multi-core PowerMac so I do not know
>> how those behave. I've also never had access to a 1-socket-/1-core-each
>> G5: always 2 sockets for the G5s. But I do have access to such a G4 and
>> even a G3.
>>
>> ===
>> Mark Millard
>> marklmi at yahoo.com
>> ( dsl-only.net went
>> away in early 2018-Mar)
>>
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>>
>
> I have both an iMac G5 and a PowerMacG5.
>
> The iMac mostly works fine, though there is no DRI so the GUI is a little
> sluggish.
>
> The PowerMac has the fan issue and only 640x480 res.  If I recall it was
> using the vesa driver and I didn't spend time trying to improve it since I
> run this system headless anyway.
>
> --
> Earth is a beta site.
>
>
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>
I hope that this gets through to all.
You need to use the “retro” option with “Xorg  -configure” to add other
resolutions.
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