Graphic card problems

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Message 1204470 - Posted: 10 Mar 2012, 5:40:04 UTC - in response to Message 1204464.  

My 460 is at 75.3, I have it overclocked to 800/1600.


I'm at 850/1700 now with 4008 on the memory and just 70% fan for ~60c.

My core/shaders have been higher, but Spring hath Sprung around here, it seems...getting warmer...


Lt
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Message 1204471 - Posted: 10 Mar 2012, 5:46:36 UTC - in response to Message 1204464.  
Last modified: 10 Mar 2012, 6:02:46 UTC

My 460 is at 75.3, I have it overclocked to 800/1600.

According to MSI Afterburner the Memory is at 2200MHz...

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Message 1204473 - Posted: 10 Mar 2012, 5:52:13 UTC - in response to Message 1204471.  
Last modified: 10 Mar 2012, 6:17:57 UTC

It's "Lying" to you.

That's QUAD pumped memory...it's really running at the equivalent of 4400 MHZ.

Different programs display the speed differently. Evga's Precision displays my memory speed as (corrected...) 2004 MHZ. I have to x2 that.

(edited: Well, something I was looking at showed memory at 1002...it wasn't eVGA's Precision..my mistake.)


Lt

edited...
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Message 1204474 - Posted: 10 Mar 2012, 6:04:26 UTC - in response to Message 1204473.  

It's "Lying" to you.

That's QUAD pumped memory...it's really running at the equivalent of 4400 MHZ.

Different programs display the speed differently. Evga's Precision displays my memory speed as 1002 MHZ. I have to x4 that.


Lt

Didn't know that, still it works pretty good, quad or not.
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Message 1204475 - Posted: 10 Mar 2012, 6:11:55 UTC - in response to Message 1204474.  

It's "Lying" to you.

That's QUAD pumped memory...it's really running at the equivalent of 4400 MHZ.

Different programs display the speed differently. Evga's Precision displays my memory speed as 1002 MHZ. I have to x4 that.


Lt

Didn't know that, still it works pretty good, quad or not.



Sorry Victor..it was GPU-Z that showed the 1002 MHZ memory speed. I corrected my previous entry.

It works basically the same way motherboard memory does; a 400 MHZ clock gets a 1600 speed rating...

Lt

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Message 1204478 - Posted: 10 Mar 2012, 6:30:45 UTC - in response to Message 1204475.  

It's "Lying" to you.

That's QUAD pumped memory...it's really running at the equivalent of 4400 MHZ.

Different programs display the speed differently. Evga's Precision displays my memory speed as 1002 MHZ. I have to x4 that.


Lt

Didn't know that, still it works pretty good, quad or not.



Sorry Victor..it was GPU-Z that showed the 1002 MHZ memory speed. I corrected my previous entry.

It works basically the same way motherboard memory does; a 400 MHZ clock gets a 1600 speed rating...

Lt


That's ok. Well now the gpu is at 797MHz and the Shaders are at 1594MHz(1451MHz is stock)...
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Message 1204479 - Posted: 10 Mar 2012, 6:43:48 UTC

Tried to go to 2300MHz from 2200MHz, I know it's 4400MHz/4600MHz, anyway the ram I think is as far as I can safely push the bandwidth as 4600MHz crashed the driver, thankfully I had 4400 saved and not 4600.
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Message 1204492 - Posted: 10 Mar 2012, 8:56:35 UTC

lol why are you trying to push it so hard ? ^^
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Message 1204531 - Posted: 10 Mar 2012, 11:59:35 UTC - in response to Message 1204457.  


I don't remember what blog/forum I was reading, but that was the gist of the idea - the better wafer/chips would go into the premium cards, the x80's and x90's...while the regular cards like x60's would get the just ok wafers/chips.


Do any of the forums say how you can read these values either from the hardware or via NVAPI? I would like to make SIV (http://rh-software.com/) report them. I have the NDA NVAPI and that does not seem to be able to do this.
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Message 1204539 - Posted: 10 Mar 2012, 12:51:07 UTC - in response to Message 1204531.  


I don't remember what blog/forum I was reading, but that was the gist of the idea - the better wafer/chips would go into the premium cards, the x80's and x90's...while the regular cards like x60's would get the just ok wafers/chips.


Do any of the forums say how you can read these values either from the hardware or via NVAPI? I would like to make SIV (http://rh-software.com/) report them. I have the NDA NVAPI and that does not seem to be able to do this.

It is more that they make a batch of chips. Lets say the GF110 which goes in the GTX560 to the GTX590 cards. The ones that test better get badged as higher end GPUs. Then the ones with bits that don't work correctly, fail to pass some validation tests, or if they just need more lower end parts get badged as lower end GPUs. It is a fairly common practice in the semiconductor world. So asking the chip who/what it is may not give you want you want.
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Message 1204589 - Posted: 10 Mar 2012, 15:11:18 UTC - in response to Message 1204479.  
Last modified: 10 Mar 2012, 15:18:41 UTC

Tried to go to 2300MHz from 2200MHz, I know it's 4400MHz/4600MHz, anyway the ram I think is as far as I can safely push the bandwidth as 4600MHz crashed the driver, thankfully I had 4400 saved and not 4600.

Fermis are know for not be very strong on memory controller. While overclocking memory and gaining not much(bcs bandwidth of 460 with 256-bit bus has proven being enough. It is not the case with 192-bit cards, btw, like those with 768 MB memory - they do suffer from narrow bus), you ruin overclocking abilities of GPU itself. Better overclock GPU than memory. 770 MHz is shy. Mine three run 810, while undervolted with 50 mV each. 850 MHz on default GPU voltage is common for all 460s I had and I have tested(over 15 pcs).
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Message 1204603 - Posted: 10 Mar 2012, 15:49:35 UTC - in response to Message 1203181.  
Last modified: 10 Mar 2012, 15:50:36 UTC

Hei, I had a monitor that looked a bit like that once.......
The infamous 'screwdriver' monitor. Oh, yeah.


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Message 1204604 - Posted: 10 Mar 2012, 15:51:25 UTC - in response to Message 1204589.  

Tried to go to 2300MHz from 2200MHz, I know it's 4400MHz/4600MHz, anyway the ram I think is as far as I can safely push the bandwidth as 4600MHz crashed the driver, thankfully I had 4400 saved and not 4600.

Fermis are know for not be very strong on memory controller. While overclocking memory and gaining not much(bcs bandwidth of 460 with 256-bit bus has proven being enough. It is not the case with 192-bit cards, btw, like those with 768 MB memory - they do suffer from narrow bus), you ruin overclocking abilities of GPU itself. Better overclock GPU than memory. 770 MHz is shy. Mine three run 810, while undervolted with 50 mV each. 850 MHz on default GPU voltage is common for all 460s I had and I have tested(over 15 pcs).

Well I reduced the memory to 2000 and increased the gpu/shaders to 800/1600, I'm crunching wu's at about 16-18 minutes each, as to voltage Mine is at the stock 1000mV, temp thanks to the 1GB MSI GTX460 Cyclones big heatsink is 48C-49C...
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Message 1204605 - Posted: 10 Mar 2012, 15:53:04 UTC - in response to Message 1204531.  
Last modified: 10 Mar 2012, 16:26:21 UTC


I don't remember what blog/forum I was reading, but that was the gist of the idea - the better wafer/chips would go into the premium cards, the x80's and x90's...while the regular cards like x60's would get the just ok wafers/chips.


Do any of the forums say how you can read these values either from the hardware or via NVAPI? I would like to make SIV (http://rh-software.com/) report them. I have the NDA NVAPI and that does not seem to be able to do this.


I don't recall any discussion about how/where the numbers come from.

AFAIK, GPU-Z is the only s/w that has this feature. You might contact them??


I found this quote in an eVGA forum this morning (They were discussing GPU-Z..)


SirWaWa


"We've found the ways in which AMD and NVIDIA segregate their freshly-made GPU ASICs based on the electrical leakages the chips produce (to increase yield by allotting them in different SKUs and performance bins), and we've found ways in which ASIC quality can be quantified and displayed. Find this feature in the context menu of GPU-Z. We're working on implementing this feature on older AMD Radeon GPUs."



I don't know who SirWaWa is quoting or where he found that quote or even who SirWaWa is...but this seems to indicate the numbers are formulated from some other values on the ASIC chip (GPU).


Lt

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Message 1204610 - Posted: 10 Mar 2012, 15:57:46 UTC - in response to Message 1204603.  
Last modified: 10 Mar 2012, 16:00:22 UTC

Yeah I remember, I'm hoping Yer keeping Yer inner barbarian locked up a bit better these days Mark. ;) I just wish the card below didn't make the lines that are in the bottom picture.



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Message 1204643 - Posted: 10 Mar 2012, 17:09:43 UTC - in response to Message 1204605.  


I don't remember what blog/forum I was reading, but that was the gist of the idea - the better wafer/chips would go into the premium cards, the x80's and x90's...while the regular cards like x60's would get the just ok wafers/chips.


Do any of the forums say how you can read these values either from the hardware or via NVAPI? I would like to make SIV (http://rh-software.com/) report them. I have the NDA NVAPI and that does not seem to be able to do this.


I don't recall any discussion about how/where the numbers come from.

AFAIK, GPU-Z is the only s/w that has this feature. You might contact them??

I found this quote in an eVGA forum this morning (They were discussing GPU-Z..)

SirWaWa

"We've found the ways in which AMD and NVIDIA segregate their freshly-made GPU ASICs based on the electrical leakages the chips produce (to increase yield by allotting them in different SKUs and performance bins), and we've found ways in which ASIC quality can be quantified and displayed. Find this feature in the context menu of GPU-Z. We're working on implementing this feature on older AMD Radeon GPUs."

I don't know who SirWaWa is quoting or where he found that quote or even who SirWaWa is...but this seems to indicate the numbers are formulated from some other values on the ASIC chip (GPU).


Thank you for the info. I have tried asking such questions in the past and the only reply I ever get it's all NDA information. I will try asking my nVidia NDA contect how GPU-Z does it.
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Message 1204677 - Posted: 10 Mar 2012, 19:05:49 UTC - in response to Message 1204610.  

LOL...inner barbarian is still alive and kicking.....
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Message 1204774 - Posted: 11 Mar 2012, 0:26:47 UTC

Well it won't be until sometime Monday before the PC has 3 GTX460 gpus again, the two 460 cyclones are stuck in the Post Office, but then the place was closed today and yet were delivered to the Post Office, one needs a signature, must be too large for the normal locked PO Boxes.
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Message 1208704 - Posted: 22 Mar 2012, 2:46:59 UTC - in response to Message 1204677.  

Looking for best NVIDIA driver for two EVGA GTX 295, Windows 7 Pro, 64bit addressing, Socket 775, ddr2. I "upgraded" to the newest NVIDIA driver and my computer is slower crunching SETI! Went back to 290.53, but I can not remember what I had before. If this computer was dedicated to BOINC, would any OS beside Windows 7 make it run faster?
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Message 1208706 - Posted: 22 Mar 2012, 2:49:57 UTC - in response to Message 1208704.  
Last modified: 22 Mar 2012, 2:50:39 UTC

Looking for best NVIDIA driver for two EVGA GTX 295, Windows 7 Pro, 64bit addressing, Socket 775, ddr2. I "upgraded" to the newest NVIDIA driver and my computer is slower crunching SETI! Went back to 290.53, but I can not remember what I had before. If this computer was dedicated to BOINC, would any OS beside Windows 7 make it run faster?

You could try the 275.50 Beta as that is what I ran on the GTX295 or 266.58, either will work.
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Message boards : Number crunching : Graphic card problems


 
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