A question I do have is -- what is Prime95 stressing and failing on when running the Torture Blend test with the setting of use 1500 Megabytes of RAM ... the CPU or the RAM -- which item is causing the rounding > .05 as compared to less the .04 or something like that -- is it RAM or CPU ?
Have the following:
EPoX 9NPA-Ultra Mobo
AMD 64 Athlon 3000+ Overclocked from 1.8 GHz to 2.52 GHz
Crucial Value DDR400 RAM overclocked to 420MHz
eVGA 7800 GTX overclocked from 430/1200 to 480/1350 MHz
At the settings below Prime95 -- Stable for 11 hours 44 minutes with AUTO voltage for CPU setting (it's drawing ~ 1.55volts) and a 2.6 Volts setting for the RAM.
With CPU running at ~ 2.64 GHz and RAM at ~ 432 MHz with Prime95 failed after 3 hours and 37 minutes. The voltage was drawn at ~ 1.58 volts for the CPU and the RAM was at 2.7 volts. 3DMark2005 benchmark rating is 8449 at the 2.52 GHz setting.
I've been able to get the CPU up to 2.74 GHz with the RAM up to ~ 442 Mhz and get a 3DMark05 Benchmark rating of 8897 but under Prime95 it would fail on a rounding error after ~ 30 minutes or so. The CPU was drawing ~ 1.64 Volts with the RAM set at 2.8 volts.
NOTE: The maximum CPU heat on the machine at any setting I've tried and run Prime95 or 3DMark2005 or played WoW or BF2 for any period of time (hours on end) or at 2.74GHz for CPU playing games or running tests for ~ 20 minutes has ever been 48C degrees. At my current settings it won't go over 44C degrees.
The RAM right now at the 11 hour stable setting was at 2.6 Volts ... I've had it running at 442 (221) with 2.8 Volts. What would be the MAX voltage I could apply to the RAM and not destroy it immediately or even for some time (~ 1 year) ... anyone have a guess-t-mate ?
BTW -- Excellent article here --> http://www.neoseeker.com/Articles/H...hlon64oc/1.html
I read this article after trying a lot of combos and measurements and was coming to the same conclusion ... but the author seemed to do a very good job of documenting their process and testing ... about the impact of CPU speed as related to everything else. I know to get the best out of the 7800GTX card I would need even more CPU speed. With a P4-D 2.8 GHz machine using 533MHz DDR2 RAM with the 7800GTX the highest I could get in 3DMark2005 benchmark was ~ 6550 -- and yes I know the Pentium Dualcore's are a lot slower ... in regards to single CPU / single thread performance.
Capture of some info from Prime95, CBId, CPU.z and Speedfan shown below:
Prime95 Running 11 Hours
SpeedFan showing Temps just before I stopped Prime95 after 11 hours
Central Brain Idenifier -- CBI -- Processor
CBI - Memory Settings
CPU.Z -- RAM Speed
CBI - Cache Screen and RAM Screen
CPU.Z RAM SPD Screen
RivaTuner Overclock Setting for eVGA 7800GTX
CPU.Z Validated Screen
3DMark2005 -- Ratings Screen
Thanks for any input ....
Have the following:
EPoX 9NPA-Ultra Mobo
AMD 64 Athlon 3000+ Overclocked from 1.8 GHz to 2.52 GHz
Crucial Value DDR400 RAM overclocked to 420MHz
eVGA 7800 GTX overclocked from 430/1200 to 480/1350 MHz
At the settings below Prime95 -- Stable for 11 hours 44 minutes with AUTO voltage for CPU setting (it's drawing ~ 1.55volts) and a 2.6 Volts setting for the RAM.
With CPU running at ~ 2.64 GHz and RAM at ~ 432 MHz with Prime95 failed after 3 hours and 37 minutes. The voltage was drawn at ~ 1.58 volts for the CPU and the RAM was at 2.7 volts. 3DMark2005 benchmark rating is 8449 at the 2.52 GHz setting.
I've been able to get the CPU up to 2.74 GHz with the RAM up to ~ 442 Mhz and get a 3DMark05 Benchmark rating of 8897 but under Prime95 it would fail on a rounding error after ~ 30 minutes or so. The CPU was drawing ~ 1.64 Volts with the RAM set at 2.8 volts.
NOTE: The maximum CPU heat on the machine at any setting I've tried and run Prime95 or 3DMark2005 or played WoW or BF2 for any period of time (hours on end) or at 2.74GHz for CPU playing games or running tests for ~ 20 minutes has ever been 48C degrees. At my current settings it won't go over 44C degrees.
The RAM right now at the 11 hour stable setting was at 2.6 Volts ... I've had it running at 442 (221) with 2.8 Volts. What would be the MAX voltage I could apply to the RAM and not destroy it immediately or even for some time (~ 1 year) ... anyone have a guess-t-mate ?
BTW -- Excellent article here --> http://www.neoseeker.com/Articles/H...hlon64oc/1.html
I read this article after trying a lot of combos and measurements and was coming to the same conclusion ... but the author seemed to do a very good job of documenting their process and testing ... about the impact of CPU speed as related to everything else. I know to get the best out of the 7800GTX card I would need even more CPU speed. With a P4-D 2.8 GHz machine using 533MHz DDR2 RAM with the 7800GTX the highest I could get in 3DMark2005 benchmark was ~ 6550 -- and yes I know the Pentium Dualcore's are a lot slower ... in regards to single CPU / single thread performance.
Capture of some info from Prime95, CBId, CPU.z and Speedfan shown below:
Prime95 Running 11 Hours
SpeedFan showing Temps just before I stopped Prime95 after 11 hours
Central Brain Idenifier -- CBI -- Processor
CBI - Memory Settings
CPU.Z -- RAM Speed
CBI - Cache Screen and RAM Screen
CPU.Z RAM SPD Screen
RivaTuner Overclock Setting for eVGA 7800GTX
CPU.Z Validated Screen
3DMark2005 -- Ratings Screen
Thanks for any input ....
.
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