Re: Another "What Motherboard Should I Buy" question

I demand that Anton Ertl may or may not have written...

Darren Salt <news@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> writes:
I demand that Anton Ertl may or may not have written...
[snip]
My laptop (iBook G4 with Mobile Radeon 9200) is much weaker than your
box, and it gets 2185fps with a few tweaks in the options (and IIRC
1200fps without any tweaks).

Sounds interesting... what tweaks? (Limitation: the display consists of
two monitors, total width 2304 pixels.)

In the Device section of the xorg.conf file:

Option "GARTSize" "16" #up to 64 on other systems

Hmm. How does this differ from the AGPSize option? Just an alias? (I have
that set to 128; memory says that the BIOS has the same setting, and the card
is claimed to have 128MB on-board.)

Option "ColorTiling" "on"

On by default, according to Xorg.0.log, but disabled due to the total display
width being greater than 2048 pixels.

Option "EnablePageFlip" "on"

Enabled.

Option "AccelMethod" "XAA"

I remember EXA working well, then not working well after an upgrade
(unfortunately, I'm not certain exactly which upgrade, but I suspect
something in X.org 6.9->7.1). Which is unfortunate, because it made xfwm4's
compositing work well.

Option "AGPMode" "4"

Both board and card support 8x. Is there a good reason for selecting 4x
despite this?

In addition, on the command line:
export hyperz=true #only affects R200 driver

That does make a noticeable difference, but not for glxgears :-)

1150fps at default size, 150fps at 1024x768 (full-screen on the smaller
monitor).

(Basically, I was hoping that I'd missed something...)

OTOH, I'm considering a 9550; ideally, I'd find something a bit better, but
they seem rather thin on the ground :-\

--
| Darren Salt | linux or ds at | nr. Ashington, | Toon
| RISC OS, Linux | youmustbejoking,demon,co,uk | Northumberland | Army
| + Output less CO2 => avoid massive flooding. TIME IS RUNNING OUT *FAST*.

2400 baud makes you want to get out and push!
.

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