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How to I get my memory to work at the right timings


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Okay so I have a crappy HP computer the SR1650NX


(see http://www.compusa.com/products/pro...&pfp=BROWSE )


with this ASUS AmberineM motherboard


(see http://h10025.www1.hp.com/ewfrf/wc/...cname=c00496280 )


well I just bought a Corsair XMS 2-3-3-6 dual channel 2x512Mb kit

(see http://www.newegg.com/product/product.asp?item=N82E16820145449 )


I installed it and CPU-Z says the timings are running at 3-3-3-8. I went into the bios to try and set them at 2-3-3-6 but I CANT! I talked with HP and the bastards said that they don't ship with a bios that lets you alter timings.


How do i fix the timings? Can I, and if so how do I, upgrade the BIOS? Is there another way to fix the timings (preferably without messing with the BIOS)?


All of this crap above is Greek to me...I've just picked up what to do from reading forums/how-tos. So if you can help me...please explain in as dumbed down tech-speak as possible.


Also...a side question. Assuming that I ever get the timings on these 2 sticks correct...I'd also like to use the CAS3 sticks that came with the computer (2x512). All 4 would be in dual channel. Would performance be limited by the CAS3 sticks (similarly to how lower PCXXXX sticks would limit PC3200 sticks)??


BTW, all 4 sticks are installed and working now, 2 GB in 2 sets of dual channel but timings of 3-3-3-8 according to CPU-Z

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Due to the holiday's, I'm sure Corsair is under-staffed at the moment. Please be patient.


As for your setup, there is no way for you to set all of the timings without going through the BIOS.


On the timings holding you back... all the modules run at the same speed and same latencies. All at the same time, no differences, thus if you have CAS 3 modules and CAS 2 modules, they'll all run at CAS 3.


HP's, Dell's, Gateway's, etc, are all shipped with a BIOS that doesn't allow for such modification to allow for compatibility at the cost of performance.




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  • Corsair Employee

If your system is stable and working with all four modules they I would run it like it is until you get a MB that will you set the timings manually.

However, for any OEM system that I have seen you will not be able to mix memory and or set the timings or frequency manually. You would have to consider using a channel MB more suited for over clocking. You can follow the link in my signature for the tested settings and the make and model's of MB's we use to validate our modules. That will give you some basic information about your settings as well.

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