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AMD Staring at 140W Barrier with Phenom II X4 965?

btarunr

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Remember the ULI chipsets that supported SLI, but NV blocked in a driver update?

Exactly, after NVIDIA acquired ULI, enter nForce 560 SLI, nForce 500 SLI, etc. :)
 

FordGT90Concept

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Put simply, I see more evidence that SLI involves hardware than to the contrary. It isn't solely a license agreement.


SLI has always been software limited. Remember the ULI chipsets that supported SLI, but NV blocked in a driver update?
When was this? NVIDIA acquired ULI in late 2005.
 

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Put simply, I see more evidence that SLI involves hardware than to the contrary. It isn't solely a license agreement.



When was this? NVIDIA acquired ULI in late 2005.

Exactly when they blocked ULI chipsets from running SLI.

And as far as SLI needing hardware, google it on X58 my friend. It's purely a BIOS string. No hardware needed, unless you want 16,16,16x Tri SLI instead of 16,16,8. None of the SLI boards, and I repeat, NONE of the SLI boards that support only 16,16,8 or lower have the NF chips on them.
 

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The following statements are made with this in mind: almost all hardware can be replicated using software at a performance penalty.

The "hacks" only worked up to nForce 4 and 500 series. From that point on, something changed. Were these original hacked drivers merely a corporate-sponsored software version (basically like Crossfire) or was SLI purely software on these chipsets? After nForce 500 series, something changed.


X58 already has the necessary hardware to run SLI (x16, x8, x8). The BIOS string determines whether or not the functionality is reported. Ehm, just like how nForce 600 series chips is the hardware for SLI on those platforms, X58 is the hardware for SLI on its platform. NVIDIA licensed the technology so Intel could embed it.

Obviously, if the manufacturer wants more lanes than that, they'll have to supplement the X58 chip.
 

btarunr

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X58 already has the necessary hardware to run SLI (x16, x8, x8). The BIOS string determines whether or not the functionality is reported. Ehm, just like how nForce 600 series chips is the hardware for SLI on those platforms, X58 is the hardware for SLI on its platform. NVIDIA licensed the technology so Intel could embed it.

Obviously, if the manufacturer wants more lanes than that, they'll have to supplement the X58 chip.

Every X58 board would have shipped with SLI support. That's not the case. The GeForce driver recognizes an X58-board which is meant to support SLI from its secret-sauce qualified-platform list.

Maybe if a virtual-machine software ever emulates a Core i7 + qualified X58 motherboard, we'll get to see that first hand on any machine? It's a big maybe.

Anyway, we're going south of the topic. Nice discussion, can resume it elsewhere.
 

Wile E

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The following statements are made with this in mind: almost all hardware can be replicated using software at a performance penalty.

The "hacks" only worked up to nForce 4 and 500 series. From that point on, something changed. Were these original hacked drivers merely a corporate-sponsored software version (basically like Crossfire) or was SLI purely software on these chipsets? After nForce 500 series, something changed.


X58 already has the necessary hardware to run SLI (x16, x8, x8). The BIOS string determines whether or not the functionality is reported. Ehm, just like how nForce 600 series chips is the hardware for SLI on those platforms, X58 is the hardware for SLI on its platform. NVIDIA licensed the technology so Intel could embed it.

Obviously, if the manufacturer wants more lanes than that, they'll have to supplement the X58 chip.

No, the only thing that changed was the encryption on the drivers that hid the SLI switch from the hackers. X58 was never designed with SLI in mind. In fact, it's not even designed with Crossfire in mind. It's just designed to have x number of PCIe lanes available.

And, I'm not sure if you remember, but when X48 first release, I believe either Falcon Northwest or VooDooPC released a system with SLI on an X48 board(and then later Crossfire on a 790i board). The only thing that was custom, was the BIOS and drivers. There were no hardware changes at all.
 

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Anyway, we're going south of the topic. Nice discussion, can resume it elsewhere.
Pretty much. I wish I could find the patent. Even then, how it is implemented isn't something the patent would contain in detail so yeah, it is pretty much impossible to be certain.


Edit: I Googled "SLI patent" and came up with this:
http://www.onsiteil.com/tips-and-tricks-center/61-sli-crossfire-explained

NVIDIA SLI takes advantage of the increased bandwidth of the PCI ExpressTM bus architecture, and features hardware and software innovations within NVIDIA GPUs (graphics processing units) and NVIDIA nForce4 MCPs (media and communications processors).
I doubt they are talking solely about the SLI bridge there.

It's all gray area...intentionally. :(


Nevermind, that's on a thousand sites, word for word, as part of an NVIDIA statement when it launched.


Edit: There is no filed patents. :(
 
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:eek: amd`s prescott

they had their prescotts with B2 and B3 revisions they cant reapet tha all the time :rofl:

But the skyscraper large fact that they f-k-d us in favor of cutting down server chip -Istanbul core R&D they really did. They produce some Deneb core that consumes almost or even more than 50% of all that power (ACP) caused with enormous L3 cache thats nothing more than marketing hog .... Deneb==Nehalem marketing fables. and we see how great it should perform with just 2M of L3 cache or maybe 3M only and power consumption would be 100W instead 140W.


Cmon now. It's nowhere near 200W tdp :laugh: (I'm serious, intel lied so bad back then)

They couldnt lie too much cause power VRM circutry couldnt handle too much more than 130W in those days. Even p4D need special boards for that double precotts (smithhhyfields iirc) just to power up. And canceled Tejas should be a real power hog with 150W on idle 2.80GHz :D :D

Intel's CPUs only run so "warm" because of incorrect temperature readings from programs such as core temp which always never address the issue of the tjunction temps being 15 (or 25) or so degrees off the real readings, but yeah its slightly warm, but nothing to fret over (80*C? BS, the CPU can't even run at that temperature without shutting itself down). Secondly the stock cooler is pure CRAP.


Please dont be such a cry baby. And self explanatory rocket scientist in the same post.

Current CPUs are made on Silicon with all that Ge/Hf and so on. And yes pure silicon could easily run on 150°C Tj. But not the processing units. Most of old CPUs (P6,K7,P4-prescott) work well on 95°C and it wasn't some sweating sauna for them. Just other elements on mobo sufferd (like capacitors that were overheated by overburdened VRM and poorly cooled CPU)

Most modern GPUs nv7800->gtx280 works great @100C ntm all that new ATI rv670/rv770/rv790/rv740 that in most cases if power supply on card is properly designed could work 120°C for a few hours of FurMark stress test. Yep they'll consume alot but they wont fail while power circuitry can :cool: And the best thing is that GPUs are based on pure silicon process that they call Bulk and not so fancy SiGe, streched-strained, with HighK gates, or just poor old SiO base.

i believe AMD is reaching the Thermal Barrier of the Current Arch, sort of what happened with the Athlon XP at 3200.

OMG. Unfortunatly they don't reach anynthing with current architecture. They reach their thermal envelope @140W and ~3.6GHz with old F3 revision on last Athlon FX core. Since then they just buying time and delaying real R&D in the desktop/workstation segment. And buying themselves a lot of time. But at least they stamping more and more cores with advanced processing for server cores like Istanbul. Not that helps us at all. But we get TWKR nuclear fusion hog. yupiiii. we really need to worship AMD golden bull now.
 
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Wile E

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Holy triple post. The edit and multi-quote buttons are your friends. Get acquainted with them.
 
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Holy triple post. The edit and multi-quote buttons are your friends. Get acquainted with them.

great i didnt notice it. so that's why i multi-quoted :D part of them and other i typed while i was reading the rest of the small thread. but tnx for advice
 
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