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memory running at low speed


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#1 the_patriot11

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Posted 10 February 2009 - 02:53 AM

Hey all, I have 2 GBs of patriot ddr2 6400 (800 mhz) memory installed on my GA-M61P-S3 motherboard. the memory is supposed to run at 2.2 bolts, but the motherboard default is 1.8. now, ive been running it at 1.8v because it runs cooler and I noticed no system slow down-still scored a 5.9 in vista score, ran 3dmark06 and all my games just as well when I had it upped to 2.2 (i tried both) with no difference. Now I did an online hardware test at another site, and according to this test it only ran at 400 mhz. I was like huh tha was weird so I bumped it up to 2.2v and ran the test again-and according to the test, it read as 800 mhz. two days later, I ran the test again at 2.2v and it said the memory ran at 400 mhz. so i thought is this the test or my computer, whats up with it, so I ran memtest86 off my ubuntu live CD, and it said It was running at 2.2v at 400 mhz, though it passed every test i ran on it fine. the hardware monitoring tool that came with my motherboard, easytune 5, read it as 800 mhz. the only explanation I can think of is that the computer is doing what it does with the processor-when its not using it as much it runs it at a lower speed to save energy, but ive never heard of that with memory. Im usually pretty knowledgeable about PCs, but this is bugging me, not because its a major problem my system runs fine-but because I dont know why. Can anyone explain to me why its doing this, and how to make it run at the full 800mhz? I posted the same question on the other site but no one decided to help me so im gonna ask here. thanks in advance. :D

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Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

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#2 the_patriot11

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Posted 10 February 2009 - 02:55 AM

oh and by the way my other specs are Amd athlon 64 x2 6000+ windsor CPU, WD 500 GB hard drive, coolermaster 750 watt PSU and ATI Saphire 3870 x2 video card. Im running vista ultimate 64 bit on it as well as both the Ubuntu and Kubuntu versions of linux on it.

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Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

If I don't reply within 24 hours of your reply, feel free to send me a pm.


#3 dpunisher

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Posted 10 February 2009 - 03:01 AM

It's DDR. Take into account that at 800mhz= 400mhz DDR.

On that memory, the only time it might need the full 2.2V is if you are running the timings really tight. Default SPD timings are quite loose and 1.8v will usually suffice.

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#4 the_patriot11

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Posted 10 February 2009 - 03:12 AM

explain that please-i think im misunderstanding your statement. you said that its ddr, which in my mind translates into standard DDR, but its DDR2. are you saying DDR as in the regular DDR or as in just the Dual Data Rate standard? and if so, why would 800 mhz ram run at half speed i still dont totally comprehend (please be patient with me, I do custom build comps, but I have no education much of what I know I either self taught or learned by asking dumb questions like this)

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Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

If I don't reply within 24 hours of your reply, feel free to send me a pm.


#5 the_patriot11

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Posted 10 February 2009 - 03:14 AM

and why would that test rate at 800 mhz that one time, and not the other times, and why would easytune 5 read it as the full 800?

picard5.jpg

 

Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

If I don't reply within 24 hours of your reply, feel free to send me a pm.


#6 dpunisher

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Posted 10 February 2009 - 03:24 AM

DDR800 memory runs at 400mhz by default. DDR667 runs at 333mhz by default. No idea on your "Easytune".

I am a retired Ford tech. Next to Fords, any computer is a piece of cake. (The cake, its not a lie)

3770K @4.5, Corsair H100, GTX780, 16gig Samsung, Obsidian 700 (yes there is a 700)


#7 the_patriot11

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Posted 10 February 2009 - 03:51 AM

but why does it run at 400 by default-if it does, then what would be the point from upgrading from regular DDR?

picard5.jpg

 

Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

If I don't reply within 24 hours of your reply, feel free to send me a pm.


#8 the_patriot11

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Posted 10 February 2009 - 04:49 AM

never mind I answered my own question via google, its 400 mhz up and down creating an effective 800 mhz. my bad lol Im sorry it was a stupid question, thanks for bearing with me though. I figured it would be something like that. still dont know why that hardware scan said they were 800 that one time. I did know that the reason for higher voltage was tighter timings, I just ran lower voltage because it ran a notch cooler and still did everything I needed to at lower timings. Im running them at the full 2.2v right now just cuz I can and I decided they dont run that much hotter, might as well get as much performance out of them as I can. anyway thanks again for bearing with me, like I said a lot of what I know is self taught-me tearing apart computers and putting them together until I knew what did what and then reading up on them and asking people questions like this, computers are a hobby of mine that I enjoy learning about.

picard5.jpg

 

Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

If I don't reply within 24 hours of your reply, feel free to send me a pm.





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