Am 21.06.2005 um 19:10 schrieb Bert Freudenberg:

>
> Am 21.06.2005 um 16:46 schrieb Aran Lunzer:
>
>
>>  1268 at 927  (just what it happened to be)
>>
>
> Display depth? Host display depth?
>
> Make sure both match. Setting both to 16 might help, it's half the  
> data. Both at 32 might or might not be faster. On Intel, using an  
> LSB display might help (see appearance - display depth).
>
> At 1280x1024x32 you are pushing 5 MB each frame down the graphics  
> bus. PCI bus is 33 MHz and 32 bits wide, giving you 165 MB/s  
> bandwidth max, which means 33 ms per frame. AGPx4 is only 4 times  
> faster, giving you 8ms/frame, AGPx8 then 4ms. As simple as that.

Err, AGP is clocked at 66 MHz, so double those numbers ... AGP is  
fast. But of course, the driver has to make the CPU and chipset  
deliver your data to the graphics board efficiently. Which not all  
combinations of hardware and software do equally well.

- Bert -