Please look at:
http://www.apple.com/macosx/features/quartzextreme/
Please note the small text
"Quartz Extreme Requirements
Quartz Extreme functionality is supported by the following video GPUs: NVIDIA GeForce2 MX, GeForce3, GeForce4 MX, or GeForce4 Ti or any AGP-based ATI RADEON GPU. A minimum of 16MB VRAM is required."
QE requires 16 MB RAM. Per display, of course. So if you have a multiple display card, QE needs more RAM to allow full support on every display.
An iceBook has one display. Any outboard display just mirrors the screen. One image. 16MB. That's it. QE.
There is no magic other sort of Quartz Extreme which is only available for people with extra large video RAM. There's only Quartz Extreme. 16MB. A supported GPU. That's it. Fully supported.
Now if you know different, please say so, and point us to the references, so that we can confirm the details before buying yet more bizarre hardware for our unsupported machines.
rgds
GWW
On 16 Dec 2003, at 17:37, Tom Tubman wrote:
I used the words "fully supported" for that reason. I suspected that much of QE was supported on 16MB VRAM video cards that are otherwise QE compliant with the full 32 MB. Apple's literature states that ATI Radeons and NVidia cards are QE compliant and that full support needs 32 MB VRAM or more. Obviously many parts of QE are also supported with 16 MB.
Umm.
(Does fast user switch on iBook. Watches cube rotate by.)
That sure looked like QE to me...
Now it may be that 32M is needed for QE on two screens, but that don't apply to an iBook, does it.
Gerald WW
On 16 Dec 2003, at 17:05, Tom Tubman wrote:
As for the iBook/700, it does not fully support Quartz Extreme because (as far as I can tell from Apple's Specs) no models shipped with 32 MB VRAM, only 16MB. 32 is required for full QE compatibility.
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