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Technical Analysis: Asus EAX1800xl

post #1 of 9
Thread Starter 
vmemcq: Voltage of both mvddq and mvddc
vgpu: Voltage of the R520 GPU

The results show that the DDR3 memory chips of the asus eax1800xl have the same potential as a stock x1800xt, where theoretical maximum is ~748.97mhz at ~2.61vmemcq.

No other sets of tests were run with a GPU higher than 600mhz at 1.1vcore. Note that max GPU at 1.1vcore is 610mhz.

It is also important to note that no further tests were carried out past 2.195 vmemcq not because of card failure but because of my own personal tolernace for risk. Basically I don't want to break my card
 
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Golden Copper
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post #2 of 9
thanks, that info will be useful
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post #3 of 9
Thread Starter 
Thanks Stallion, I made this chart not only for my own personal curiosity but also for other x1800xl owners who wish to OC safely. By using the formula I got you can find the right voltage and sustainable speed for the DDR3 mem! I am in the process of doing the same analysis for the GPU so we can have formulas for the mem and the GPU to find the sweetspot of your card! Well of the eax1800xl specifically.
 
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post #4 of 9
when your talking about memory voltage are you referring to MVDDC or MVDDQ?
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post #5 of 9
Thats interesting i didnt think that the memory on the XL would nearly be as good as the XT.
post #6 of 9
yess i told ppl the mem on my X1800XL loves voltage
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post #7 of 9
well... my mem artifacts like mad @ 2.150 but i can run 700mhz @ 2.1
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post #8 of 9
Thread Starter 
memvcq refers to both of the memory votlages I kept them the same.
 
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Golden Copper
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AMD PII X4 940 BE (235x14.5; 3.4 Ghz; 1.475v) ASUS M4A78-E (NB: 2585Mhz) ATI HD 7870 (3.839 GB; 1000Mhz core; 1200Mhz mem) Kingston 4G Dual Channel DDRII 940 Mhz (2x2G) 
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Western Digital WD10EZEX (1.0 TB) ASUS DVDRW +/- & BR R Scythe Ninja Cu Windows 7 Ultimate (x64) 
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post #9 of 9
Thread Starter 
Quote:
Originally Posted by |talian $tallion
well... my mem artifacts like mad @ 2.150 but i can run 700mhz @ 2.1
I'll bet the AIW is a better quality card than the regular x1800xl. Just remember that this data analysis is based on the eax1800xl and should really only be used as a benchmark for this model and no other.

I attached the chart of the GPU analysis and it looks alright, but I won't push the voltage of my GPU to the theoretical maximum of 1.52volts Maybe someone out there has the guts and the cooling to do it.
 
Golden Copper
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CPUMotherboardGraphicsRAM
AMD PII X4 940 BE (235x14.5; 3.4 Ghz; 1.475v) ASUS M4A78-E (NB: 2585Mhz) ATI HD 7870 (3.839 GB; 1000Mhz core; 1200Mhz mem) Kingston 4G Dual Channel DDRII 940 Mhz (2x2G) 
Hard DriveOptical DriveCoolingOS
Western Digital WD10EZEX (1.0 TB) ASUS DVDRW +/- & BR R Scythe Ninja Cu Windows 7 Ultimate (x64) 
MonitorKeyboardPowerCase
LG 27" W2753V Logitech White Backlit CM 750w (60a @ 1x12v) Antec 300 
Mouse
Gigabyte M6900 
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Golden Copper
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CPUMotherboardGraphicsGraphics
Intel Core i5 3210M (3.1 Ghz) Asus G46VW.210 Nvidia GTX 660M 2GB (GDDR5; 950/1250) Intel HD Graphics 4000M 
RAMHard DriveMonitorMouse
8GB (DDR3; 800; 1T) 750GB (5200rpm) 14" LCD Gigabyte M6900 
CPUMotherboardGraphicsRAM
AMD PII X4 940 BE (235x14.5; 3.4 Ghz; 1.475v) ASUS M4A78-E (NB: 2585Mhz) ATI HD 7870 (3.839 GB; 1000Mhz core; 1200Mhz mem) Kingston 4G Dual Channel DDRII 940 Mhz (2x2G) 
Hard DriveOptical DriveCoolingOS
Western Digital WD10EZEX (1.0 TB) ASUS DVDRW +/- & BR R Scythe Ninja Cu Windows 7 Ultimate (x64) 
MonitorKeyboardPowerCase
LG 27" W2753V Logitech White Backlit CM 750w (60a @ 1x12v) Antec 300 
Mouse
Gigabyte M6900 
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