Specs for r300 and rv250

hmmh...
if those PP slides are real, then we have (quite suprisingly) ATi staying 128Bit memory interface. ( I didn't find any mention about new memory architechture on the R300 highlights )

but using 128Bit memory bus and 8 pipelines seems a bit odd to me...
 
if those PP slides are real, then we have (quite suprisingly) ATi staying 128Bit memory interface.

We do? Forgive me, but I could find no reference to that on there at all.
 
DaveBaumann said:
if those PP slides are real, then we have (quite suprisingly) ATi staying 128Bit memory interface.

We do? Forgive me, but I could find no reference to that on there at all.

well, if you would be making those slides, would you put a 512Bit internal architechture and 256Bit DDR bus in the highlights?

I would... and there isn't any talk about memory interface...
 
MuFu said:
P.S. Will try to get back to you about this one guys.

Ok, the slides seem credible. The only thing about them is that they are either old (and the dates have been changed) or are a really bad marketing presentation that misses a few key points.

R300 DOES have a 256-bit memory bus. You can look at the termination resistor sets on the Computex board's PCB and pretty much determine that yourself if you are an EE. The trace density is also pretty ludicrous on that board if you look at close-up shots of the memory.

Again... that 350MHz figure is only possible if they have secured 0.13u. I'm still quite doubtful. The details about MPEG code/decoding are confused as well. Apparently, most of the work will still be done using software algorithms. This is very likely for RV250 and pretty likely for R300. Overlay and iDCT assist will be in hardware as before though. Rage Theater 2 is actually not that different from Rage Theater 1, the main difference being that RT2 has audio DACs and supports component (YPrPb) capture.

MuFu.
 
MuFu said:
Again... that 350MHz figure is only possible if they have secured 0.13u. I'm still quite doubtful. The details about MPEG code/decoding are confused as well. Apparently, most of the work will still be done using software algorithms. This is very likely for RV250 and pretty likely for R300. Overlay and iDCT assist will be in hardware as before though. Rage Theater 2 is actually not that different from Rage Theater 1, the main difference being that RT2 has audio DACs and supports component (YPrPb) capture.

MuFu.
If they use a MCM then maybe they could get the heat from the chips without any problem at 350MHz.
 
removeing the info's

Because ATi have conteacted me, I will remove the slides from my page.

Thomas
 
pascal said:
If they use a MCM then maybe they could get the heat from the chips without any problem at 350MHz.

Aren't MCM's only used for multiple-chip packages though?

I can tell you now that boards based on the first revision drew about 54W, which is 6W over the AGP spec from three rails. The second revision is within spec but I still don't know whether this is because of a process change or refinements in the silicon. If the 350MHz figure seen in those slides is accurate (and more importantly, up to date) then no doubt ATi are confident in having 0.13u fabrication available for launch. Can't really conclude too much from them asking tb to remove the slides though.

MuFu.

P.S. That is an ATi slide template, whether the information on it is correct or not, BTW. I doubt someone could have guessed the layout so accurately.
 
pascal said:
If they use a MCM then maybe they could get the heat from the chips without any problem at 350MHz.

Perhaps the slides are old . . . They may not have been able to make the planned 350MHz. Perhaps they dropped the clock rate in order to stay within the AGP spec for power usage?

--Grue
 
Thanks for hosting them while you could, Thomas.

So, what does "400MHz SDR/DDR" mean? Are we talking 400MHZ 256-bit DDR? :eek:
 
I don't think they'd use 400MHz SDR, it wouldn't make much sense when DDR is almost as cheap. Though whether the 400MHz units will be economically viable by launch may be in doubt. I put my money on a 300MHz or 350MHz DDR setup for launch.

Oh and the inquirer have changed their story about ATi using .13u and nVidia using .15u. They've swapped them back around again.
 
Did anybody comment on the dates appearing on the slides? The date actually says "June 18, 2002." It was a little difficult to see, but I zoomed in on it...
 
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