Soundwave27 Posted September 21, 2008 Share Posted September 21, 2008 I was wondering if this RAM would work together with a Q9650 running at 1333 FSB on the DX48BT2, the system has to run at 1333 fsb. The TWIN3X4096-1600C7DHXIN should automaticly set the fsb to 1333 fsb because of the IN. Atleast it should be doing this. Because when i read the topics here about compatible ram for the DX48BT2, it tend to run at 1066 fsb.(and a whole lot of other problems) Even if the CPU and the RAM both are 1333. Isnt this odd? I'm not planning to overclock, (atleast not for a while) you do have a compatibility sheet for ram that are compatible for the DX48BT2, but did you realy tested, or is it based on the specs of the motherboard and ram..? Any way wil the TWIN3X4096-1600C7DHXIN automaticly set the fsb to 1333 together with a cpu that runs at 1333, i prefer plug and play in order to run the system at 1333 fsb or should i tweak a little bit in the bios in order to run the system at 1333 fsb, and offcourse rock solid and stable! Thats my main reason for an Intel board. Thanx in advance Link to comment Share on other sites More sharing options...
LucasGrillis Posted September 21, 2008 Share Posted September 21, 2008 I read your post and here's some info. I have 2 systems. One is a DX38BT and the other is the DX48BT2. Here's something I noticed in the bios on the DX48BT_ the system bus speed says 1600, the system memory speed says 1066, with the third line saying system memory speed override at 1600. Now the interesting comparative thing is...the DX38BT bios says the system bus speed says 1333, the system memory speed says 1333, with the third line saying system memory speed override at 1332 ( I am running 1600 speed ram at 1333). The system memory speed on the DX48BT seems odd that it would say 1066, in that this board is rated at 1600. However Intel has no tested 1600 speed compatible ram on their list! Their tech support responded too the question of why they have no listed 1600 speed with "we don't handle this." Intel says the black slots must be populated, not the blue as the manual says. It also says only 2 1gig sticks of 1600 speed ram can be used. New information: I just got off of the phone with tech support and they say the blue and the black slots of channel B must be used for the 1600 ram modules, and that 4 gig can be used. They also say the "system memory speed" will automatically increase in the bios by populating the correct slots. It doesn't however. It runs at 1066. System memory override is 1600. Link to comment Share on other sites More sharing options...
TDMPRO2K Posted September 21, 2008 Share Posted September 21, 2008 I have just upgraded my system to a Intel DX48BT2 and have bought some of the 1600mhz memory. Model number TW3X4G1600C9DHX (4GB) and mine only registers 1066mhz. No matter what I try to change in the bios it just doesn't see it as 1600. I have spoke to intel and they say its Corsair problem not theirs. How can I get this working? How can I return it the memory if it is not faulty?. I dont see the point in paying the extra when i can't use it. Please Help.... Link to comment Share on other sites More sharing options...
Soundwave27 Posted September 21, 2008 Author Share Posted September 21, 2008 I read your post and here's some info. I have 2 systems. One is a DX38BT and the other is the DX48BT2. Here's something I noticed in the bios on the DX48BT_ the system bus speed says 1600, the system memory speed says 1066, with the third line saying system memory speed override at 1600. Now the interesting comparative thing is...the DX38BT bios says the system bus speed says 1333, the system memory speed says 1333, with the third line saying system memory speed override at 1332 ( I am running 1600 speed ram at 1333). The system memory speed on the DX48BT seems odd that it would say 1066, in that this board is rated at 1600. However Intel has no tested 1600 speed compatible ram on their list! Their tech support responded too the question of why they have no listed 1600 speed with "we don't handle this." Intel says the black slots must be populated, not the blue as the manual says. It also says only 2 1gig sticks of 1600 speed ram can be used. New information: I just got off of the phone with tech support and they say the blue and the black slots of channel B must be used for the 1600 ram modules, and that 4 gig can be used. They also say the "system memory speed" will automatically increase in the bios by populating the correct slots. It doesn't however. It runs at 1066. System memory override is 1600. I read your post LucasGrillis. I do have a question for you. What type of DDR3 memory do you have meaning the specifiek name like the one i want is: TWIN3X4096-1600C7DHXIN. Pay attention to the last 2 letters IN. Well i read on this forum that this type of memory should automaticly set your bus system to 1333 fsb with a 1333 fsb cpu, hence the higher price tag. And what is your specifiek cpu? If even the IN version doesnt work. Then its maybe a bios flaw in the intel board. To bad intel claims 1600 fsb. For example if you have a 9770 extreme cpu running 1600 fsb. And you have a DDR3 1600 . The system should run 1600 fsb wich it doesnt:sigh!:. So many people having this issue. You spend so much money on a board thinking this is an enthousiast board and the specs says it can run 1066 1333 16000 fsb. But the only thing it can run is 1066. Unless you overclock or tweak with a lot of trial and error, wich i dont like. Didnt expect this from Intel. Link to comment Share on other sites More sharing options...
Soundwave27 Posted September 21, 2008 Author Share Posted September 21, 2008 I have just upgraded my system to a Intel DX48BT2 and have bought some of the 1600mhz memory. Model number TW3X4G1600C9DHX (4GB) and mine only registers 1066mhz. No matter what I try to change in the bios it just doesn't see it as 1600. I have spoke to intel and they say its Corsair problem not theirs. How can I get this working? How can I return it the memory if it is not faulty?. I dont see the point in paying the extra when i can't use it. Please Help.... I see u have the TW3X4G1600C9DHX. Your as far as i am. Perhaps swapping them with TWIN3X2048-1600C7DHXIN? See the post above for the reason why. But before you do that we have to know if this IN version automaticly adjust the system fsb to 1333 (or 1600 if u have a QX9770 or QX9775). If not what kind of tweaking in the bios should a person do? Thats why i posted my question here. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted September 22, 2008 Corsair Employees Share Posted September 22, 2008 Yes they will run great on that MB but you will have to install them in the black slots and over clock the CPU to get 1600 FSB to run the memory at DDR1600 and the Q9XX series CPU will not over clock as well as the E8XXX series, you would just need to try the specific CPU you want to use and maybe set the settings manually. Link to comment Share on other sites More sharing options...
Soundwave27 Posted September 23, 2008 Author Share Posted September 23, 2008 thanx for your reply RAM guy. I still have some questions for you. the reason i had my eyes on the TWIN3X2048-1600C7DHXIN was of the IN version. And since there where no DDR3 1333Mhz modules with an IN (EMP). I would have taken the TWIN3X2048-1600C7DHXIN. I found out that not all MB's are compatible with the EMP. And if they do like in one of the other topics about the intel MB: http://www.houseofhelp.com/forums/showthread.php?t=71676 In order to automaticly adjust the fsb you need a overclock cpu, am i right? I am not intrested in a 1600 fsb cpu. My choice Q9650 1333 FSB (3.0 Ghz) and a memory module that can run 1333Mhz on the intel MB, if possible automaticly (plug and play). What modules do you recommend me (2x 2G) in order to run the system at 1333? Without messing to much with the bios. (overclocking the CPU and tweaking the memory modules in order to achive an 1333Mhz fsb, i am not that skilled with overclocking. And if so then its better to find a more suitable MB thats more easy to run at 1333. Hope you can help me. Thanx in advance Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted September 23, 2008 Corsair Employees Share Posted September 23, 2008 I am sorry but we do not offer a modules that would be JEDEC compliant at that speed grade, All of our modules would need to manually set or over clocked. Link to comment Share on other sites More sharing options...
Soundwave27 Posted September 24, 2008 Author Share Posted September 24, 2008 Thank you for the information you provided me Ram Guy. I now have a better understanding where to look at conserning ram modules. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted September 24, 2008 Corsair Employees Share Posted September 24, 2008 NP and please let me know if oyu have any more questions! Link to comment Share on other sites More sharing options...
LucasGrillis Posted September 25, 2008 Share Posted September 25, 2008 I am running the QX 9770 which has a native 1600 bus speed without overclocking. My memory is TWIN3X4096-1600C7DHXIN G which is 1600 speed ram. The Intel DX48BT2 is supposed to have a 1600 memory speed, but in the bios it says 1066. It does however say memory speed override is running at 1600 in the bios. Intel has no listed compatible memory that runs at 1600 on their website. The highest speed is 1333. Now for the kicker, in Intel's own desktop monitoring program it says the ram is running at 1066! They (tech support) do not offer any comment on this, so I'm unsure whether it is a bios issue or it is supposed to be like that. I wish they would be up front with the info.:[pouts: Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted September 25, 2008 Corsair Employees Share Posted September 25, 2008 Please post a screen shot of the Memory Tab in CPU-Z. Link to comment Share on other sites More sharing options...
LucasGrillis Posted June 2, 2009 Share Posted June 2, 2009 After 10 months of trying to get stability on this system using a premium Corsair 1600DHXIN speed ram, I have thrown in the towel and installed Corsair Twin3X2048-1333C9 G ram, which works. Intel's claim that this board supports 1600 speed ram is inaccurate and one only has to look at all of the threads to confirm this. The true proof of this is that their own website lists NO COMPATIBLE 1600 SPEED RAM! My experience has been a steady freeze-up and/or bluescreen/bugcheck on a daily basis. Numerous attempts to get their tech dept to respond to this issue has returned silence. I have noticed that one forum post indicated that underclocking the cpu would remedy this, but my feeling is that this should not be the solution. Why did I pay big bucks to underclock the cpu on a board that claims to have full 1600 speed capabilities? I would really be interested to hear from any forum users who have attained stability with this board and 1600 speed ram. On another note related to the board and bios updates, I did one and spent a week bluescreening at startup. Intel's tech dept had no solutions and their suggestions bordered on the ridiculous. Bios recovery did not work by any of their 4 methods, and finally I was able to boot into safe mode and disable the Intel Desktop Control Center in the Task Manager processes window. It was not compatible with the bios update. The computer would then boot normally. I informed their tech department of this and they said they would put a warning on the bios update page. Never did though. To sum it up, if your DX48bt2 board locks up with 1600 speed ram, replace it with 1333! Link to comment Share on other sites More sharing options...
BlackKnight Posted June 5, 2009 Share Posted June 5, 2009 It is possible to run your ram at 1600 with this board. Check out these forums. Also if you post cpu z screenshots and bios settings there are plenty of people here who can help you. Are you running the new 1997 bios yet? Link to comment Share on other sites More sharing options...
LucasGrillis Posted June 5, 2009 Share Posted June 5, 2009 I looked through every post that had the same processor and board, but found no success stories. The searches I've done seem to indicate that the later version of this board with blue capacitors may have a better chance of working with 1600 ram. My settings were the same as other people who indicated success...Not running that version of bios yet. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted June 6, 2009 Corsair Employees Share Posted June 6, 2009 There are plenty of threads running that MB at DDR1600 I will search for them later and re post a link, but you have to install the modules in the second set of slots and you have to run the CPU at 1600 FSB. With Intel Chipsets you cannot run the memory faster than the CPU FSB. Link to comment Share on other sites More sharing options...
BlackKnight Posted June 6, 2009 Share Posted June 6, 2009 http://www.xtremesystems.org/forums/showthread.php?t=166289&page=79 There is a ton of information about this board and overclocking at the xtremesystems forums. Link to comment Share on other sites More sharing options...
LucasGrillis Posted June 8, 2009 Share Posted June 8, 2009 I looked at the posts on that site, and most were for the DX38BT board. I did not see any that were running the same cpu, the QX9770 which has a 1600 bus speed and the 1600DHXIN ram. I have the proper slots populated, after the erroneous Intel info originally posted. I would like to see some screen shots of the bios in a machine that is running stable with the same components. I thought I had stability several times but after a relatively short time the freezing and bluscreens continued. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted June 9, 2009 Corsair Employees Share Posted June 9, 2009 What is the exact part number of the modules you have? And just used the search and came up with this post should be more helpful: Hi, Try these settings, please: Intel DX48BT2, BT1554P BIOS, QX9770, TWIN3X4096-1600C7DHXIN BT1554P BIOS setup | Quad SuperPi 32M | Prime95 Blend Good luck! :): Link to comment Share on other sites More sharing options...
LucasGrillis Posted June 10, 2009 Share Posted June 10, 2009 I looked at that post several times. The difference is the tRRd value on mine was 6. On theirs it was 5. Also I am running newer bios, 1902. Also, it appears they changed settings in the processor bios area, which I never touched. I assumed that running the cpu at auto would be best. I saw another post about underclocking the processor to make it work, but opted to not do that. The ram is (was) Twin3X4096-16007DHXIN G. I am about to try it in an Asus Maximus Extreme board. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted June 10, 2009 Corsair Employees Share Posted June 10, 2009 What were the exact settings you had set and what slots do you have the modules in? For that MB the modules will have to be installed in the Black slots if memory serves me correctly! Link to comment Share on other sites More sharing options...
LucasGrillis Posted June 10, 2009 Share Posted June 10, 2009 Here are a couple of screenshots. I have them in the correct slots for 1600 speed ram, the black slots. I also just now updated the bios and had an immediate bluescreen upon restart. Seems to be working now, though. I am running the Corsair 1333 xms ram now, and have had good luck with the change until recently...only 1 freeze-up in 5 days of testing. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted June 10, 2009 Corsair Employees Share Posted June 10, 2009 You have the modules on the wrong slots and what about the reference Voltage override. Please look at that link I gave you more closely to compare your settings. And the CPU Vcore? Link to comment Share on other sites More sharing options...
LucasGrillis Posted June 10, 2009 Share Posted June 10, 2009 I had them in the black slots as per Intel's tech support instructions. "For 1600 MHz memory, only two DIMMs are supported for a maximum of 4 GB utilizing 1 Gb memory technology. DIMMs should be configured as a matched pair equal in speed and size in DIMM 0 and DIMM 1 of channel B." I am now on my 3rd freeze with the 1333 memory, (all 4 slots filled) and am starting to wonder if it could be the video card overheating. I've noticed on a lot of forums that in the middle of heavy game playing people are having freezes and bluescreens. I will check cpu vcore and the link you sent more closely. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted June 10, 2009 Corsair Employees Share Posted June 10, 2009 Try them in the other two slots the link I gave you would suggest he used different slots. Link to comment Share on other sites More sharing options...
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