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CPU AMD Phenom II X4 840


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#1 tizzyloucat

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Posted 11 March 2011 - 10:10 AM

I bought this CPU AMD Phenom II X4 840 because it was inexpensive so far as X4s go. I didn't realize it was just marketed in Jan 2011. I got it to go on Asus M4A89GTD Pro board only to find out from ASUS that the CPU will not power the board. I am unable to find a list that includes this CPU. I saw some information that indicated it would work with Asus M2N-SLI Deluxe, a board I have in my current working computer. However, I would have to flash the bios to be able to get the CPU to work since I have an old version of Bios. I am not brave enough to flash bios since I have heard to many horror stories about turning a MOBO to a brick. Is there some way I can tell how to identify the boards this CPU will work with -- i.e. chipset or something else? I am not a novice, but certainly am not an expert. Any help would be great!!

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#2 ThunderZ

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Posted 11 March 2011 - 11:53 AM

That is a socket AM3 processor. The socket is the first thing to look for on the mobo.

Once you find a motherboard(s) with the AM3 socket then check it`s compatibility list for that specific processor.

#3 killerx525

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Posted 11 March 2011 - 09:30 PM

I just had a look and the Phenom II X4 840 is not on the list.

>Michael 
System1: CPU- Intel Core i7-5820K @ 4.4GHz, CPU Cooler- Noctua NH-D14, RAM- G.Skill Ripjaws 16GB Kit(4Gx4) DDR3 2133MHz, SSD/HDD- Samsung 850 EVO 250GB/Western Digital Caviar Black 1TB/Seagate Barracuada 3TB, GPU- 2x EVGA GTX980 Superclocked @1360/MHz1900MHz, Motherboard- Asus X99 Deluxe, Case- Custom Mac G5, PSU- EVGA P2-1000W, Soundcard- Realtek High Definition Audio, OS- Windows 10 Pro 64-Bit
Games: APB: Reloaded, Hours played: 3100+  System2: Late 2011 Macbook Pro 15inch   OFw63FY.png


#4 tizzyloucat

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Posted 11 March 2011 - 09:51 PM

I have two problems:

1. The x4 840 is so new it is not on lists.

2. The x4 840 is an AM3 but did not work the the ASUS AM3 M4A89GTD Pro board I bought it to be used on. SO, you can't just buy an AM3 and stick it on a board and hope it will work -- according to ASUS, the 840 does not have enough power for the 89GTD Pro. How do you tell if a CPU has enough power to power up a board?

#5 killerx525

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Posted 11 March 2011 - 09:58 PM

The X4 840 uses 95W.

>Michael 
System1: CPU- Intel Core i7-5820K @ 4.4GHz, CPU Cooler- Noctua NH-D14, RAM- G.Skill Ripjaws 16GB Kit(4Gx4) DDR3 2133MHz, SSD/HDD- Samsung 850 EVO 250GB/Western Digital Caviar Black 1TB/Seagate Barracuada 3TB, GPU- 2x EVGA GTX980 Superclocked @1360/MHz1900MHz, Motherboard- Asus X99 Deluxe, Case- Custom Mac G5, PSU- EVGA P2-1000W, Soundcard- Realtek High Definition Audio, OS- Windows 10 Pro 64-Bit
Games: APB: Reloaded, Hours played: 3100+  System2: Late 2011 Macbook Pro 15inch   OFw63FY.png


#6 ThunderZ

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Posted 11 March 2011 - 10:28 PM

How do you tell if a CPU has enough power to power up a board?



Once you find a motherboard(s) with the AM3 socket then check it`s compatibility list for that specific processor.



#7 killerx525

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Posted 11 March 2011 - 11:53 PM

It's really important to check before you buy it.

>Michael 
System1: CPU- Intel Core i7-5820K @ 4.4GHz, CPU Cooler- Noctua NH-D14, RAM- G.Skill Ripjaws 16GB Kit(4Gx4) DDR3 2133MHz, SSD/HDD- Samsung 850 EVO 250GB/Western Digital Caviar Black 1TB/Seagate Barracuada 3TB, GPU- 2x EVGA GTX980 Superclocked @1360/MHz1900MHz, Motherboard- Asus X99 Deluxe, Case- Custom Mac G5, PSU- EVGA P2-1000W, Soundcard- Realtek High Definition Audio, OS- Windows 10 Pro 64-Bit
Games: APB: Reloaded, Hours played: 3100+  System2: Late 2011 Macbook Pro 15inch   OFw63FY.png





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