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RAM stuck at 1333 PLEASE HELP!!!!

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  • RAM
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June 12, 2012 9:59:36 AM

I just recently overhauled my entire computer as a college graduation gift to myself. I replaced the CPU, CPU Cooler, RAM, Motherboard, and PSU. My current setup is:

Intel Core i-5 3570K
ASRock Extreme4 Z77 Chipset
Patriot G2 PC3-12800 DDR3 1600 Mhz
Cooler Master Hyper 212 EVO
Cooler Master Extreme Power Plus 700W
Western Digital Caviar Blue 320GB SATA 3.0 GB/s 7200RPM
XFX Radeon HD 5670 1GB DDR5

I am having a couple of really strange issues that I think are connected to my RAM and Motherboard.

First of all, every time my computer boots up the fans spin up then stop and then it continues to boot up normally. I have had NO BSOD's and have no other problems that are apparent but I know this is not normal and is caused by some issue that I am simply not able to diagnose. I have updated the BIOS, I have checked and re-checked the ATX 12V 24-pin and 8-pin connectors to make sure they are properly seated, I have taken out and reseated the RAM (which is correctly installed in dual channel mode) and now I just cant seem to think of anything else to check. I have stress tested the computer with prime95 and memtest to try to cause it to reveal any flaws but none have been exhibited.

It seems to reset itself like clockwork (even stops on the same Dr. Debug code every time [Code 10 - PEI Core is started]) but I don't see a connection between the Debug code and the problem itself.

Secondly, my RAM refuses to run at 1600 MHz like it rated. I have changed the BIOS settings multiple times (both enabling the XMP 1.2 settings, setting the frequency manually and both) but to no avail. CPU-Z still shows it running at 666.8 MHZ (1333) and even the BIOS itself still reports it as 1333 frequency despite the fact that I have it manually set to 1600 MHz. I have already tried going into the BIOS and manually setting the timings but this has not helped.

Seems to me these problem might be interconnected but I have neither the physical resources (extra DDR3-1600 modules) nor the monetary resources to test whether my RAM module is causing this problem. Also the particular modules I purchased is specifically listed in the Certified Vendor list posted in the product documentation for my motherboard on the ASRock website and I see little other ill effects that are normally associated with faulty RAM (BSOD's, System hangs, crashing, system slowdowns).



PLEASE HELP!!! I am at my wits end....

More about : ram stuck 1333

June 12, 2012 10:16:28 AM

Well the thing is what you are experiencing is a feature. When you are not at default settings the board may stop and start a few times to determine what it thinks is the safest settings to run at.

Make sure the RAM is certified for the board you are running. Lastly if it is running stable at 1333 MHZ then consider just running it at 1333 MHZ. You will not experience any noticeable increase in performance by running at 1600 MHZ. Tests have proven this again and again. I run 1333 MHZ for the stability and the fact that it makes no real difference to run faster RAM.
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a c 92 } Memory
June 12, 2012 10:23:31 AM

looks like you have a bad motherboard if these post codes match up across the whole intel platform.
http://docs.oracle.com/cd/E20881_01/html/E20885/gkzpz.h...
looks like the mb or cpu has a low level bug.
error before the chipset post check. if it within time i would return the mb to the place you bought it from and the cpu just to be safe. if it over 30 days i would rma the mb first then the cpu.
also one thing i seen here is one stick of ram or a ram slot may be bad. have you tried using one stick of ram and moving into each of the slots and see if any of the errors change??
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June 13, 2012 4:51:06 AM

Quote:
looks like you have a bad motherboard if these post codes match up across the whole intel platform.
http://docs.oracle.com/cd/E20881_0 [...] gkzpz.html
looks like the mb or cpu has a low level bug.
error before the chipset post check. if it within time i would return the mb to the place you bought it from and the cpu just to be safe. if it over 30 days i would rma the mb first then the cpu.
also one thing i seen here is one stick of ram or a ram slot may be bad. have you tried using one stick of ram and moving into each of the slots and see if any of the errors change??


Ummm? How did you come to these assumptions? As I stated in the original post, I have not seen any ill effects caused by this particular oddity other than the fact that it spins up the fans once and powers ont he motherboard for about 3-4 seconds and then powers down before properly booting. Although the 0x10 (PEI Core is started) is usually when it does this I don't believe that is a proper indication of the problem as it posts that same report when it fully boots and has no problem getting past the 0x10 code.

What do you mean by a low-level bug? What kind of bug could cause this problem? I am by no means an expert on the subject of hardware but it does not make sense to me that there would be a bug in the motherboard that would cause the problem i am having. (Again this does not mean that it is not the problem I just need some valid reasoning to go on before I jsut start making wild assumptions about my new build.

The problem I'm having is that I bought most of my new parts from MicroCenter as part of an in-store pick-up only offer. The issue is that i live nearly 3 and 1/2 hours from that MicroCenter and cannot just hop on down to the store without a good reason and a solid udnerstanding of what might be going wrong. i don't want to spend $40-$50 bucks in gas to drive all the way to MC, then take all of my parts completely apart and reassemble them to simply find that it was a harmless new feature (like the first reply indicated) or that it was a compatibility issue (which would induce ANOTHER trip to return my parts and purchase new ones).
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June 13, 2012 5:02:41 AM

Quote:
Make sure the RAM is certified for the board you are running. Lastly if it is running stable at 1333 MHZ then consider just running it at 1333 MHZ. You will not experience any noticeable increase in performance by running at 1600 MHZ. Tests have proven this again and again. I run 1333 MHZ for the stability and the fact that it makes no real difference to run faster RAM.


The RAM I am running is on the Certified Memory Vendor listed specifically under the part number I have purchased.

ASRock Memory Support List:
http://www.asrock.com/mb/memory.us.asp?Model=Z77 Extreme4
My RAM:
http://www.microcenter.com/single_product_results.phtml...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Something strange I have noticed since I first posted this thread was that on the box for my RAM it says that "this RAM was specifically designed for the Intel 2nd Generation processors." Could the issue be that I have a 3rd Gen Ivy Bridge-based 3570K and this is causing my RAM to default to a different setting? If that is the case I would think it is reasonable that Wamphryi is right and the restarts are simply my mother board determining what it believes to be the safest configuration based on my installed hardware.
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a c 146 } Memory
June 13, 2012 5:05:15 AM

spursfann07 said:
Quote:
looks like you have a bad motherboard if these post codes match up across the whole intel platform.
http://docs.oracle.com/cd/E20881_0 [...] gkzpz.html
looks like the mb or cpu has a low level bug.
error before the chipset post check. if it within time i would return the mb to the place you bought it from and the cpu just to be safe. if it over 30 days i would rma the mb first then the cpu.
also one thing i seen here is one stick of ram or a ram slot may be bad. have you tried using one stick of ram and moving into each of the slots and see if any of the errors change??


Ummm? How did you come to these assumptions? As I stated in the original post, I have not seen any ill effects caused by this particular oddity other than the fact that it spins up the fans once and powers ont he motherboard for about 3-4 seconds and then powers down before properly booting. Although the 0x10 (PEI Core is started) is usually when it does this I don't believe that is a proper indication of the problem as it posts that same report when it fully boots and has no problem getting past the 0x10 code.

What do you mean by a low-level bug? What kind of bug could cause this problem? I am by no means an expert on the subject of hardware but it does not make sense to me that there would be a bug in the motherboard that would cause the problem i am having. (Again this does not mean that it is not the problem I just need some valid reasoning to go on before I jsut start making wild assumptions about my new build.

The problem I'm having is that I bought most of my new parts from MicroCenter as part of an in-store pick-up only offer. The issue is that i live nearly 3 and 1/2 hours from that MicroCenter and cannot just hop on down to the store without a good reason and a solid udnerstanding of what might be going wrong. i don't want to spend $40-$50 bucks in gas to drive all the way to MC, then take all of my parts completely apart and reassemble them to simply find that it was a harmless new feature (like the first reply indicated) or that it was a compatibility issue (which would induce ANOTHER trip to return my parts and purchase new ones).



The fan thing is expected and nothing to worry about so long as the fans are running afterwards.

As for the 'bug', it could be related to a lot of things. Sometimes it just needs a firmware update, Asus took months to get the Rampage IV Extreme to POST properly. This is what you should check first
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a c 114 } Memory
June 13, 2012 5:06:48 AM

1600 ram is 1333 ram that can be overclocked to 1600.
In this case, the ram seems to require 1.65v.

The symptoms you describe is the motherboard not liking the 1600 ram speed, and resetting it to a speed it can handle. Namely 1333.

One thing you can try is to increase the ram voltage a notch or two and see if you can maintain 1600.
But, do not increase it past 1.65v, or you can damage your cpu.


Some motherboards have a preferred pair of slots when you only install two sticks. Check your motherboard manual to see. It is recommended to install a memory module in DDR3_A2 or DDR3_B2 slot first.
Or, change the pair of slots anyway.

If you are stable with memtest without the restarting, stick with that speed. 1333 is the default, and is fine. Ram speed makes very little difference to app performance or fps.
Read this:
http://www.anandtech.com/show/4503/sandy-bridge-memory-...
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June 13, 2012 5:23:08 AM

Quote:
As for the 'bug', it could be related to a lot of things. Sometimes it just needs a firmware update, Asus took months to get the Rampage IV Extreme to POST properly. This is what you should check first


I have already update the firmware and BIOS for my motherboard so I don't think thats what is causing the problem. That is unless the problem is on the manufacturers side and they haven't figured out a solution to this known bug. I am udner the impression that this is not that new of a board though and I that is one of the reasons I bought it because I figured they would have worked most of the kinks out by now.

Quote:
One thing you can try is to increase the ram voltage a notch or two and see if you can maintain 1600.
But, do not increase it past 1.65v, or you can damage your cpu.


That is one of the strangest factors in this whole dilemma is that i figured it would automatically reset the DRAM voltage to 1.5V if it was going to run at 1600. This is not the case however as it defaults to 1.65V. I will try switching the slots and running memtest to see if anything changes. I will update with the new info when I have it.
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June 13, 2012 5:26:10 AM

Quote:
If you are stable with memtest without the restarting, stick with that speed. 1333 is the default, and is fine. Ram speed makes very little difference to app performance or fps.
Read this:
http://www.anandtech.com/show/4503 [...] -best-ddr3


The only problem with that statement is that article's point is that I don't have a Sandy Bridge-based CPU I have a 3570K which is based on the new Ivy Bridge architecture which is notable for utilizing the higher RAM frequency and providing much more significant gains in performance.
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a c 114 } Memory
June 13, 2012 5:28:32 AM

The ram you linked to specifies 1.65v and 1600 speed. I think it needs 1.65v to run at that speed.
Not so good , I think.
Most ram for ivy bridge is 1.5v.

Since the ram is on the ASUS support list, you might ask them.
If it is on the Patriot support list(check their configurator) also, try their support too.
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a c 114 } Memory
June 13, 2012 5:30:22 AM

spursfann07 said:
Quote:
If you are stable with memtest without the restarting, stick with that speed. 1333 is the default, and is fine. Ram speed makes very little difference to app performance or fps.
Read this:
http://www.anandtech.com/show/4503 [...] -best-ddr3


The only problem with that statement is that article's point is that I don't have a Sandy Bridge-based CPU I have a 3570K which is based on the new Ivy Bridge architecture which is notable for utilizing the higher RAM frequency and providing much more significant gains in performance.


It applies to all the newer Intel cpu's with the integrated memory controller. Ivy bridge is mostly a 22nm die shrink to sandy bridge, and the excellent memory controller is not new.
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a c 146 } Memory
June 13, 2012 5:39:31 AM

spursfann07 said:
Quote:
If you are stable with memtest without the restarting, stick with that speed. 1333 is the default, and is fine. Ram speed makes very little difference to app performance or fps.
Read this:
http://www.anandtech.com/show/4503 [...] -best-ddr3


The only problem with that statement is that article's point is that I don't have a Sandy Bridge-based CPU I have a 3570K which is based on the new Ivy Bridge architecture which is notable for utilizing the higher RAM frequency and providing much more significant gains in performance.


The gains in performance due to memory speed are identical on Sandybridge and Ivybridge. Nothing was changed architecturally on the memory controller, they just added "official" DDR3-1600 support. You are correct in that it should run 1600 without issue
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June 13, 2012 6:09:25 AM

Okay...

I have taken both modules out and replaced them into the B2 and A2 clots (this is the preferred slot according to motherboard documentation) in that respective order.
I downloaded and ran boot-time memtest-86 scan. It is still running but so far I have not encountered any problems. One concern I do have is that the memtest-86 screen reports my RAM as running at the correct speed. This seems to indicate to tme that there isnothing wrong with the modules themselve but instead are not properly configured to work with my other components (probably my CPU).

Since it was pointed out that these are probably not the best for my CPU (1.65V vs 1.5V) and that I should be encountering no problems like this with the way my architecture interacts with the RAM. I am now left with the truth that I probably got an incompatible RAm module set and should just return them and try something else. Based on the specs list in the original post what modules would you all recommend? I have had good luck with Mushkin in the past but they are very few Mushkin modules on the Memory Support Documentation for my motherboard (should I just forgoe this list as it has already steered me wrong once?).

I want to remain with similar specs:
240-pin DDR3 PC-12800 1600MHz

Any recommendations?
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a c 347 } Memory
June 13, 2012 11:21:44 AM

I just glanced at some of this interesting stuff...yep the RAM needs to be in it's correct DIMM slots, and typically using XMP & Profile 1 also sets the DRAM Voltage. QVL is typically very limited and rarely updated or maintained -- too many kits.

If this is indeed your kit - http://patriotmemory.com/products/detailp.jsp?prodline=... then 1.65v RAM isn't an ideal match especially with DDR3-1600. The issue isn't the DRAM Voltage itself it's the (VCCIO/VCCSA) IMC voltage on the SB/IB CPU.

My picks for a 2x4GB DDR3-1600 kit below. I really like the DDR3L 1.35v kits, and run them on my X79 and they're great - they're rated for both 1.35v and 1.50v. All of these kits will work fine:

1.35v DDR3L-1600:
Mushkin Enhanced Blackline 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model 996988 - http://www.newegg.com/Product/Product.aspx?Item=N82E168...
CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model CML8GX3M2A1600C9W - http://www.newegg.com/Product/Product.aspx?Item=N82E168...
G.SKILL Ripjaws X Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Low Voltage Desktop Memory Model F3-12800CL9D-8GBXM - http://www.newegg.com/Product/Product.aspx?Item=N82E168...

1.50v DDR3-1600:
Mushkin Enhanced Blackline 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model 996995 - http://www.newegg.com/Product/Product.aspx?Item=N82E168...
CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Low Profile Desktop Memory Model CML8GX3M2A1600C9 - http://www.newegg.com/Product/Product.aspx?Item=N82E168...

1.25v DDR3U-1600:
G.SKILL Sniper Low Voltage Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-8GBSR2 - http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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a c 114 } Memory
June 13, 2012 1:56:02 PM

There are many kits that should work, including the one you installed.
If memtest is running fine, and showing 1600 speed, then what's the problem?

If you want to return the ram and replace it with some that you are more comfortable with, then ok.
As a start, I went to the corsair memory selection app, and entered your motherboard.
Here are the results:
http://www.corsair.com/us/learn_n_explore/

Here is one 8gb(2 x 4gb) kit of 1600 low profile 1.5v ram that is on their list. If you should have any problems, Corsair support is very good.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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July 9, 2012 3:46:20 AM

Best answer selected by spursfann07.
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a c 146 } Memory
July 9, 2012 8:56:42 AM

This topic has been closed by Nikorr
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