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To: bruce rogers who wrote (12910)5/22/1999 12:02:00 AM
From: Patrick Grinsell  Read Replies (2) | Respond to of 16960
 
Plaz, thanks for the response. I don't know if I made myself clear though. The bandwidth you stated is for AGP in general, not just AGP texturing. Why can't somebody come up with a solution (maybe even at the driver level) that's just as good as AGP texturing if it's necessary to move textures from main memory. I mean, is AGP texturing the ONLY way to move from textures from main memory. Of course not. Is there something special at the hardware level that gives AGP an advantage vs. a software only solution? If it isn't, then why are we (reviewers) making a big deal about it?

Pat



To: bruce rogers who wrote (12910)5/24/1999 12:31:00 PM
From: Plaz  Respond to of 16960
 
Just a quick note that the 48000 MB/sec is probably quoted for the internal framebuffer bandwidth (on chip DRAM) for the PS2.
I think the new Rambus chips run 16 bits per channel, so it's more like 3200 MB/sec for Rambus at 800 mhz x 2.

Thanks for the info. I wasn't quite sure how to calculate the rambus bandwidth; I thought the 48GB/sec seemed high. You're right, that's probably an embedded DRAM number.

Plaz


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