ATI's is Having Leakage Problems With R520 'Fudo' graphics processor


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Guest

http://www.gamers.com/?run=news&news_id=4620

ATI R520 delayed due to leakage?
June 30, 2005 09:25:00
DigiTimes is reporting that ATI's upcoming sucessor to the RADEON X850 XT
PE, codenamed "R520" has been delayed due to leakage issues and that the
company is currently revamping the chip's design.

If you recall, Intel ran into the same problem with their processors during
the migration to 0.09-micron. With R520 delayed, DT reports that Dell and HP
have selected NVIDIA's GeForce 7800 for their high-end PCs that will be
released later this year.



If R520 is indeed delayed due to leakage, that would be news to me. I was
under the impression the chip wasn't yielding well at the clock speeds they
were targeting. Leakage could be a much greater problem to resolve

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http://www.beyond3d.com/#news24523

30-Jun-2005, 21:41.03 Reporter : DaveBaumann

As we reported, during ATI's recent financial conference call ATI noted that
R520's release has been moved from "early summer" to "late summer",
suggesting that the bring-up of the part hasn't gone as smoothly as they
would have hoped. Digitimes is today reporting that R520 is suffering from
"leaking issues". Leakage issues within a chip are typically a result of
current being used even though a circuit may be disabled, which can result
in lower performance than the limits of the process would indicate. R520's
have been seen to be operational in a number of circumstances, including
running game demonstrations at E3, and seemingly some developers are running
them given that game R520 specific game patches have been appearing,
suggesting that there is nothing wrong with the functional operation of the
chip.

Also in line with some of the statements from ATI, Digitimes reports that
ATI may release the mainstream RV530 and entry-level RV515 eahead of
schedule and if this were some of them may be announced at the same time as
R520. RV530 and RV515 are also expected to utilise the 90nm process, however
if they are ahead of schedule it would seem as though these smaller chips
may not be suffering similar issues as R520.


forum comments:
http://www.beyond3d.com/forum/viewtopic.php?topic=24523&forum=9
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http://www.digitimes.com/mobos/a20050630A4017.html

Delay of ATI R520 to boost Nvidia 4Q sales
Charles Chou, Taipei; Jessie Shen, DigiTimes.com [Thursday 30 June 2005]
The delay of the ATI Technologies R520 graphics processing unit (GPU) will
benefit sales of the Nvidia GeForce 7800 GTX (G70), as more PC vendors
including Dell and Hewlett-Packard (HP) have decided to adopt the GeForce
7800 series for their high-end PC models slated for release at the end of
this year, according to unspecified Taiwan motherboard makers.

ATI is currently revamping the chip design of its R520, said the makers,
adding that the company is facing leakage issues, as it attempts to migrates
its manufacturing to a 90nm process. The situation is similar to when Nvidia
postponed the availability of its 0.13-micron NV30 high-end chip in 2002 due
to production issues, the makers pointed out.

Despite the delay of the R520, ATI may launch its mainstream R530 and
entry-level RV515 GPUs ahead of schedule, with both parts being manufactured
at 90nm, according to sources.

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Y

Yousuf Khan

NV55 said:
http://www.gamers.com/?run=news&news_id=4620

ATI R520 delayed due to leakage?
June 30, 2005 09:25:00
DigiTimes is reporting that ATI's upcoming sucessor to the RADEON X850 XT
PE, codenamed "R520" has been delayed due to leakage issues and that the
company is currently revamping the chip's design.
Any idea who manufactures these chips for ATI? TSMC or UMC? TSMC
recently said it was disappointed with the takeup of its 90nm SOI
process, because there wasn't enough demand for it. It looks like ATI
could've benefitted from it.

Yousuf Khan
 

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