What speed is my ram running at ?

[ihsaan96]

Okay now I've bought two sticks of nice Corsair XMS3 RAM. To be precise " Corsair CMX8GX3M2A2000C9 DDR3 XMS3 8GB "

It says that the RAM sticks should be running at a clock speed of 2000MHz & a 9-10-9-27 latency. Was wondering how I'm actually meant to check if it running at that speed ?

Thanks guys

 

[itzdanielp]

Currently your RAM is running at 1033MHz at 7-7-7-20 timings/latency. Which is the default for your CPU/MB.

If you want your RAM to run at the higher speed you will need to OverClock your RAM to the XMP-2000 Profile, assuming your MB and CPU supports it.

 

[ihsaan96]

Hmmmm have to do that in the bios right ? Also is it better to leave the timings on 7-7-7-20 ? Or change it to the normal timing of the RAM ?

Thanks

 

[ihsaan96]

Also the board that the ram is on is a AsRock 990FX Am3+ board. & processor is AMD Bulldozer 4170.

 

[ihsaan96]

Okay I've messed around & tweaked some stuff in my bios. Is this more like what my ram should be ? Or is it better?

 

[itzdanielp]

That is definitely a lot closer to what it should look like

I would suggest dropping it down closer to 933MHz (1866MHz) and try tightening the timings up closer to 9-9-9 or 10-10-10.

But otherwise, you should be pretty good.

 

[ihsaan96]

Would leaving it at 2133Mhz & Timing of 7-7-7-20 be better than what the standard is ? Or do you think I should tighten it up to 9-9-9

 

[itzdanielp]

There is no way you can run at 2133 with 7-7-7-20.

The best performance would be 1866 with 9-10-9-27

 

[ihsaan96]

Alright then , how can I change my timings? ^_^ I tried and it didn't change in the BIOS.

Thanks mate

 

[itzdanielp]

You would have to set them all manually. What MB do you have?

 

[DarkSable]

Would leaving it at 2133Mhz & Timing of 7-7-7-20 be better than what the standard is ? Or do you think I should tighten it up to 9-9-9

Erm... you know that timings are better when they get lower, right? Just checking.

 

[itzdanielp]

Erm... you know that timings are better when they get lower, right? Just checking.

He was asking about 2133 @ 7-7-7 which to the best of my knowledge is impossible.

His RAM defaults to 7-7-7 @ 1033 MHz, but when he went up to 2133MHz his timings went up to the 13's.

So I suggested he didn't clock the RAM all the way up, and use the 990FX default of 1866 and try to get tighter timings.

 

[DarkSable]

Okay. I was just confused by his phrasing of "tighten it up" to CAS 9 from 7.

No worries then.

 

[ihsaan96]

Sorry for late reply didn't get any notifications. My motherboard is the AsRock 990FX Extreme3. I've actually been getting problems with the ram , seems that the my system suddenly crashes when browsing but doesn't crash when gaming. Could the voltage be a problem ?

 

[DarkSable]

Not at 1.5v, but 1.65 could, as Intel chips technically aren't rated for that. I'd be surprised, though.

Have you run several checks with MemTest?

 

[ihsaan96]

I'm using a AMD Motherboard ? Also yeah and it passed 6 runs in one go and 3 others separately in Memtest. It normally crashes when using Chrome or a browser. Otherwise runs fine :/

 

[DarkSable]

Erm... you have an intel core i7, right? There's no possible way you could boot an intel chip in an AMD mobo.

If there is, then, well... I found your problem!

That sounds to me more like a virus than a RAM issue, then, unless it's giving you an error regarding memory.

 

[ihsaan96]

No no I'm talking about a different system haha. I've got an as rock 990fx exrreme3 with a and fx 4170. I don't get errors just the system hangs and I have to force restart

 

[DarkSable]

Ahh, sorry, it's been a while since I've read this thread.

Where does the system hang; can you get into your BIOS?

 

[ihsaan96]

My system runs fine when I go into the bios , I can game with it etc. But it hangs when I use the web browser , It never used to do that so was wondering if it's cause I changed any settings etc. The RAM works fine in my friends system and I'm currently using his ram.

 

[DarkSable]

Huh. And things are working, with his ram?

I'd probably say that's from overclocking the ram you have, then... or from it not being able to run at what it's rated for.

 

[ihsaan96]

Yeah thinks are working fine with his ram. Also I haven't overclocked the ram it should be running fine as my motherboard unclocks the ram automatically to 1866Mhz instead of 2000Mhz

 

[DarkSable]

Well okay then, I'm confused.

What are the differences between your set and his?

 

[ihsaan96]

My ram stock is 2000Mhz but my motherboard runs it at 18886Mhz. His ram my motherboard runs at 1033Mhz stock

 

[DarkSable]

Okay, so his ram is much more towards the norm.

I think what's happening is that your motherboard / CPU simply isn't able to handle faster memory when it comes to something as RAM dependent as web browsing. Try undervolting and underclocking your ram to 1600 MHz or 1033MHz (since you know that last one works.)