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Advice on a build

post #1 of 10
Thread Starter 
I bought an xfx nforce 750a mobo as an "upgrade" from my Asus M4785-m Mobo for the fact that it has SLI capabilities. I now find out that I have to downgrade my cpu which is a AMD Phenom IIx4955 because the wattage on the card (125w) exceeds the MoBos wattage capability (95w). I have an AMD Phenom IIx2 560be that I can put in but I am unsure if this will cause a decrease in performance even with running SLI Gtx 460's. I am new at building computers and sure am learning quick with the amount of wasted money involved. Any advice on this set up? To sum it all up I am sacrificing my PhenomIIx4 955 for a AMD Phenom IIx2 560be to have dual GTX 460 XLR8 GPU's
wtf
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wtf
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post #2 of 10
1. Get AMD chipset 790X board (M4A79XTD EVO anyone?)
2. Plug in cards
3. Use SLI hack
4. ????
5. PROFIT
^^^ That would be your cheapest choice. SLI hack usually runs beautifully on 790X chipsets - did on mine.

Otherwise you could make do with a newer 750A board or 980A board from ASUS or MSI.... though at the moment none of those boards are good (they don't overclock as well, MSI has VRM problems, ASUS has vDroop problems...)
post #3 of 10
Does your mobo look like this one with the big heat-sink and heat-pipe and 8-pin CPU power on it?

Quote from that review:

"Something doesn't sound right.....:?

XFX states that their nForce 750a SLI motherboard supports the 95W TDP AMD Socket AM2+ CPUs. One thing to note is I was able to install and run all of our standard motherboard tests with the 125W TDP AMD Phenom X4 9850 CPU we use for our AMD platform. At no point were issues found with this combination in running any of the tests and in fact the performance was the highest on this combination in almost every test. Also tested on this board was an AMD Phenom x4 9950 which was just released. The 9950 has a TDP of 140W and no issues were found with that CPU on this board.
"

-------------

Hey XD,

if he picks up a 790X, he'd have to settle for an older AM2 variant anyways if he wanted to re-use his rather large investment in DDR2. I'm sure part of the reason he sought out that 750a chipset was for this reason. The mobo you suggested is not compatible with his 8GB of RAM.

-----------

Marsico,

That 750a board can probably handle the quad just fine as long as the bios doesn't refuse it all-together and you don't OC it, and perhaps more importantly, as long as you do something to compensate for the loss of proper VRM cooling caused by your water cooling of the CPU. PUT A FAN BACK WHERE IT BELONGS, IE: BLOWING AT THE VRMS.
Edited by mdocod - 3/25/11 at 9:49pm
     
CPUMotherboardGraphicsRAM
FX-8350 990X EVO R2.0 Sparkle GTX460 768MB ballistix tactical 2 x 8GB 
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Toshiiba THNSNH 256GB Enterprise RE3 1TB Asus BD combo drive Artic A30 
OSMonitorMonitorMonitor
Manjaro Linux Samsung 21.5" LCD E2009WFP E2009WFP 
PowerCase
Seasonic G 550W Modular Fractal Design Core 3500 
CPUMotherboardGraphicsRAM
FX-6300, 4.7 GHZ@1.43V GA-970A-UD3P GTX 460 768MB Mixed DIMMs. 2x4GB + 2x8GB @ 1600-8-8-8 
Hard DriveHard DriveHard DriveHard Drive
Toshiba THNSNH 19nm 256GB 1TB Spinpoint F3 WD RE3 1TB WD RE3 1TB 
Optical DriveCoolingOSOS
yes CM Seidon 120V SolydK OpenSuse 13.1 
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Linux Mint 9-32 bit // Linux Mint 17-64 bit  Manjaro Xfce Samsung 21.5" HannsG 21.5" sideways! 
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A10-6800k 4.8GHZ @ 1.375V, 1.2GHZ iGPU Gigabyte GA-F2A85XN-WIFI HD8670D Ripjaws 
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Seagate ST1000DM003 Asus BC-12B1ST/BLK/B/AS Zalman CNPS5X Linux Mint 15 
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LG IPS224V-PN Logitec K360 FSP 400W Aurum S 80+ gold Prodigy 
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CPUMotherboardGraphicsRAM
FX-8350 990X EVO R2.0 Sparkle GTX460 768MB ballistix tactical 2 x 8GB 
Hard DriveHard DriveOptical DriveCooling
Toshiiba THNSNH 256GB Enterprise RE3 1TB Asus BD combo drive Artic A30 
OSMonitorMonitorMonitor
Manjaro Linux Samsung 21.5" LCD E2009WFP E2009WFP 
PowerCase
Seasonic G 550W Modular Fractal Design Core 3500 
CPUMotherboardGraphicsRAM
FX-6300, 4.7 GHZ@1.43V GA-970A-UD3P GTX 460 768MB Mixed DIMMs. 2x4GB + 2x8GB @ 1600-8-8-8 
Hard DriveHard DriveHard DriveHard Drive
Toshiba THNSNH 19nm 256GB 1TB Spinpoint F3 WD RE3 1TB WD RE3 1TB 
Optical DriveCoolingOSOS
yes CM Seidon 120V SolydK OpenSuse 13.1 
OSOSMonitorMonitor
Linux Mint 9-32 bit // Linux Mint 17-64 bit  Manjaro Xfce Samsung 21.5" HannsG 21.5" sideways! 
KeyboardPowerCaseMouse
Sticky ATNG Rosewill Green 630W NZXT Gamma Basic Microsoft corded 
CPUMotherboardGraphicsRAM
A10-6800k 4.8GHZ @ 1.375V, 1.2GHZ iGPU Gigabyte GA-F2A85XN-WIFI HD8670D Ripjaws 
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Seagate ST1000DM003 Asus BC-12B1ST/BLK/B/AS Zalman CNPS5X Linux Mint 15 
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LG IPS224V-PN Logitec K360 FSP 400W Aurum S 80+ gold Prodigy 
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post #4 of 10
Ah, just remembered about the DDR2..... perhaps his best bet would be to find a DDR2 board used, i.e. an MA790X-UD4P.
I would definitely trust the manufacturer rating over what other people say. They rated it 95W for a reason. In fact there already are 1 or 2 known VRM failures on that board, one occuring after around a year (so it took some time). It is a 3+1 phase... to begin with I would consider running any 125W a bad idea, but with many other 3+1 phase rated only 95W for good reason, I think XFX makes sense here. To begin with even further, a lot of people (check: Newegg reviews) have problems trying to run Phenom II x4 CPUs with this board, as in non-VRM problems.
Edited by xd_1771 - 3/25/11 at 11:49pm
post #5 of 10
Hellow XD_1771,

In previous debates with me, you have suggested that a manufacture rated 125W 3+1 (no heat-sinks) phase board was inadequate to supply such a CPU. That we should instead trust our own judgment that a 3+1 phase design couldn't possibly handle a 125W CPU.

Now, you are stating that we should trust the manufacture that the mobo can only handle 95W TDP CPUs... This time, the mobo has heat-sinks on a similar 3+1 Phase design.

Why can't we use our own judgment on this one? it's OK to de-rate what a manufacture has rated something at but not the other way around?

Some companies want to move volume at reduced prices and minimal promises. Some companies want to move less volume at inflated prices but with promises of warranty and the like. Each is likely to slant their ratings slightly one way of another. In reality, the capability over-laps to some degree.

Eric
     
CPUMotherboardGraphicsRAM
FX-8350 990X EVO R2.0 Sparkle GTX460 768MB ballistix tactical 2 x 8GB 
Hard DriveHard DriveOptical DriveCooling
Toshiiba THNSNH 256GB Enterprise RE3 1TB Asus BD combo drive Artic A30 
OSMonitorMonitorMonitor
Manjaro Linux Samsung 21.5" LCD E2009WFP E2009WFP 
PowerCase
Seasonic G 550W Modular Fractal Design Core 3500 
CPUMotherboardGraphicsRAM
FX-6300, 4.7 GHZ@1.43V GA-970A-UD3P GTX 460 768MB Mixed DIMMs. 2x4GB + 2x8GB @ 1600-8-8-8 
Hard DriveHard DriveHard DriveHard Drive
Toshiba THNSNH 19nm 256GB 1TB Spinpoint F3 WD RE3 1TB WD RE3 1TB 
Optical DriveCoolingOSOS
yes CM Seidon 120V SolydK OpenSuse 13.1 
OSOSMonitorMonitor
Linux Mint 9-32 bit // Linux Mint 17-64 bit  Manjaro Xfce Samsung 21.5" HannsG 21.5" sideways! 
KeyboardPowerCaseMouse
Sticky ATNG Rosewill Green 630W NZXT Gamma Basic Microsoft corded 
CPUMotherboardGraphicsRAM
A10-6800k 4.8GHZ @ 1.375V, 1.2GHZ iGPU Gigabyte GA-F2A85XN-WIFI HD8670D Ripjaws 
Hard DriveOptical DriveCoolingOS
Seagate ST1000DM003 Asus BC-12B1ST/BLK/B/AS Zalman CNPS5X Linux Mint 15 
MonitorKeyboardPowerCase
LG IPS224V-PN Logitec K360 FSP 400W Aurum S 80+ gold Prodigy 
Mouse
logitec M235 
  hide details  
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CPUMotherboardGraphicsRAM
FX-8350 990X EVO R2.0 Sparkle GTX460 768MB ballistix tactical 2 x 8GB 
Hard DriveHard DriveOptical DriveCooling
Toshiiba THNSNH 256GB Enterprise RE3 1TB Asus BD combo drive Artic A30 
OSMonitorMonitorMonitor
Manjaro Linux Samsung 21.5" LCD E2009WFP E2009WFP 
PowerCase
Seasonic G 550W Modular Fractal Design Core 3500 
CPUMotherboardGraphicsRAM
FX-6300, 4.7 GHZ@1.43V GA-970A-UD3P GTX 460 768MB Mixed DIMMs. 2x4GB + 2x8GB @ 1600-8-8-8 
Hard DriveHard DriveHard DriveHard Drive
Toshiba THNSNH 19nm 256GB 1TB Spinpoint F3 WD RE3 1TB WD RE3 1TB 
Optical DriveCoolingOSOS
yes CM Seidon 120V SolydK OpenSuse 13.1 
OSOSMonitorMonitor
Linux Mint 9-32 bit // Linux Mint 17-64 bit  Manjaro Xfce Samsung 21.5" HannsG 21.5" sideways! 
KeyboardPowerCaseMouse
Sticky ATNG Rosewill Green 630W NZXT Gamma Basic Microsoft corded 
CPUMotherboardGraphicsRAM
A10-6800k 4.8GHZ @ 1.375V, 1.2GHZ iGPU Gigabyte GA-F2A85XN-WIFI HD8670D Ripjaws 
Hard DriveOptical DriveCoolingOS
Seagate ST1000DM003 Asus BC-12B1ST/BLK/B/AS Zalman CNPS5X Linux Mint 15 
MonitorKeyboardPowerCase
LG IPS224V-PN Logitec K360 FSP 400W Aurum S 80+ gold Prodigy 
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logitec M235 
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post #6 of 10
Thread Starter 
thanks for the advice guys but I just went ahead and got the MSI Nforce 750a with new DDR3 Ram. That should just solve the problem all together.
wtf
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AMD phenom IIx6 1090t MSI Nvidia Nforce 750a GTX 590 Classified 8gb Corsair Vengeance 
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wtf
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AMD phenom IIx6 1090t MSI Nvidia Nforce 750a GTX 590 Classified 8gb Corsair Vengeance 
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Windows 7 Ultimate LG Flatron L1734S Razer Lycosa Corsair HX750 
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post #7 of 10
uh... well... outside of bios recognition, I doubt the MSI will support the CPU (power wise) any better than what you had.
     
CPUMotherboardGraphicsRAM
FX-8350 990X EVO R2.0 Sparkle GTX460 768MB ballistix tactical 2 x 8GB 
Hard DriveHard DriveOptical DriveCooling
Toshiiba THNSNH 256GB Enterprise RE3 1TB Asus BD combo drive Artic A30 
OSMonitorMonitorMonitor
Manjaro Linux Samsung 21.5" LCD E2009WFP E2009WFP 
PowerCase
Seasonic G 550W Modular Fractal Design Core 3500 
CPUMotherboardGraphicsRAM
FX-6300, 4.7 GHZ@1.43V GA-970A-UD3P GTX 460 768MB Mixed DIMMs. 2x4GB + 2x8GB @ 1600-8-8-8 
Hard DriveHard DriveHard DriveHard Drive
Toshiba THNSNH 19nm 256GB 1TB Spinpoint F3 WD RE3 1TB WD RE3 1TB 
Optical DriveCoolingOSOS
yes CM Seidon 120V SolydK OpenSuse 13.1 
OSOSMonitorMonitor
Linux Mint 9-32 bit // Linux Mint 17-64 bit  Manjaro Xfce Samsung 21.5" HannsG 21.5" sideways! 
KeyboardPowerCaseMouse
Sticky ATNG Rosewill Green 630W NZXT Gamma Basic Microsoft corded 
CPUMotherboardGraphicsRAM
A10-6800k 4.8GHZ @ 1.375V, 1.2GHZ iGPU Gigabyte GA-F2A85XN-WIFI HD8670D Ripjaws 
Hard DriveOptical DriveCoolingOS
Seagate ST1000DM003 Asus BC-12B1ST/BLK/B/AS Zalman CNPS5X Linux Mint 15 
MonitorKeyboardPowerCase
LG IPS224V-PN Logitec K360 FSP 400W Aurum S 80+ gold Prodigy 
Mouse
logitec M235 
  hide details  
Reply
     
CPUMotherboardGraphicsRAM
FX-8350 990X EVO R2.0 Sparkle GTX460 768MB ballistix tactical 2 x 8GB 
Hard DriveHard DriveOptical DriveCooling
Toshiiba THNSNH 256GB Enterprise RE3 1TB Asus BD combo drive Artic A30 
OSMonitorMonitorMonitor
Manjaro Linux Samsung 21.5" LCD E2009WFP E2009WFP 
PowerCase
Seasonic G 550W Modular Fractal Design Core 3500 
CPUMotherboardGraphicsRAM
FX-6300, 4.7 GHZ@1.43V GA-970A-UD3P GTX 460 768MB Mixed DIMMs. 2x4GB + 2x8GB @ 1600-8-8-8 
Hard DriveHard DriveHard DriveHard Drive
Toshiba THNSNH 19nm 256GB 1TB Spinpoint F3 WD RE3 1TB WD RE3 1TB 
Optical DriveCoolingOSOS
yes CM Seidon 120V SolydK OpenSuse 13.1 
OSOSMonitorMonitor
Linux Mint 9-32 bit // Linux Mint 17-64 bit  Manjaro Xfce Samsung 21.5" HannsG 21.5" sideways! 
KeyboardPowerCaseMouse
Sticky ATNG Rosewill Green 630W NZXT Gamma Basic Microsoft corded 
CPUMotherboardGraphicsRAM
A10-6800k 4.8GHZ @ 1.375V, 1.2GHZ iGPU Gigabyte GA-F2A85XN-WIFI HD8670D Ripjaws 
Hard DriveOptical DriveCoolingOS
Seagate ST1000DM003 Asus BC-12B1ST/BLK/B/AS Zalman CNPS5X Linux Mint 15 
MonitorKeyboardPowerCase
LG IPS224V-PN Logitec K360 FSP 400W Aurum S 80+ gold Prodigy 
Mouse
logitec M235 
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post #8 of 10
Thread Starter 
Yeah it will its an AM3 socket http://www.newegg.com/Product/Produc...-235-_-Product people have OC'd the phenom 955 on there to 4ghz
wtf
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Windows 7 Ultimate LG Flatron L1734S Razer Lycosa Corsair HX750 
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World of Warcraft Cataclysm Mouse 
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wtf
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AMD phenom IIx6 1090t MSI Nvidia Nforce 750a GTX 590 Classified 8gb Corsair Vengeance 
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Windows 7 Ultimate LG Flatron L1734S Razer Lycosa Corsair HX750 
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World of Warcraft Cataclysm Mouse 
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post #9 of 10
Actually the MSI 750A isn't that bad or so it seems. I haven't seen the kind of trending failures on this board that other MSI boards seem to have. Odd one out I guess? I'd still set a nice voltage limit if I were you though.
post #10 of 10
Thread Starter 
I dont plan to do a real heavy oc on the cpu anyways. I am rather inexperienced in that field. Would you know of any OC'ing guides that pertain this particular CPU and MoBo? Any help would be greatly appreciated.
wtf
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AMD phenom IIx6 1090t MSI Nvidia Nforce 750a GTX 590 Classified 8gb Corsair Vengeance 
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Windows 7 Ultimate LG Flatron L1734S Razer Lycosa Corsair HX750 
Mouse
World of Warcraft Cataclysm Mouse 
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wtf
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CPUMotherboardGraphicsRAM
AMD phenom IIx6 1090t MSI Nvidia Nforce 750a GTX 590 Classified 8gb Corsair Vengeance 
OSMonitorKeyboardPower
Windows 7 Ultimate LG Flatron L1734S Razer Lycosa Corsair HX750 
Mouse
World of Warcraft Cataclysm Mouse 
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