Max Edison Posted October 25, 2008 Share Posted October 25, 2008 Hello I need some help here. I posted on this forum about 6 months ago as I had bought corsair ram to upgrade a Gateway pc. Turned out the ECS stock board would not let me change the voltage and I got all kinds of errors. I went Back to using the stock 2 Gigs and kept the 4 gigs for later use. Now I am building my first PC and have these 4 gigs here waiting for my new MB. I bought 4 Gigs of CM2X1024-6400 1 set (2 gig) is XMS6405 V5.1 1 set (2 gig) is XMS6405 V 2.5 The PC parts I ordered are an Intel quad Q9550 and a GIGABYTE GA-EP45-UD3P LGA 775 Intel P45 http://www.newegg.com/Product/Product.aspx?Item=N82E16813128358 I need any advice on installing. Meaning is one of these sets better than the other? should one set be placed in certain slots. Will this new board set the correct volatage without me having to do it. Just any advice before the parts get here would be greatly appreciated! BTW I went to the Gigabyte site and it does say it will take CM2X1024-6400C4, My Ram package and sticks do not include the C4. Is there a difference? Link to comment Share on other sites More sharing options...
DerekT Posted October 25, 2008 Share Posted October 25, 2008 Download Memtest86+ Version 2.01 from--->Here and extract the ISO image. Burn the ISO image to an CD-ROM disk. Download CPU-z from Here. It is never advised nor is it supported to mix and match modules versions. This does not mean that they will not work together, just that it is not supported or advised. I would advise you (had you not had them) to purchase a two module kit of 4GB. It is also advised to drop the bandwidth and increase the memory controller (motherboard) voltage if you wish to populate all four DRAM slots. Please research this thread: http://www.houseofhelp.com/v3/showthread.php?p=372404#post372404 and the subthread: http://www.houseofhelp.com/v3/showthread.php?t=64360&highlight=Unpredictable+results+QUAD2X4096+Gigabyte+X38-DS5 So, let's get to your system. Shut the system down. Insert a single stick of DRAM in Slot 1 (Closest to the CPU). Restart, Enter your BIOS and Load Setup Defaults. Save Setup Defaults and set to these values: Enter your BIOS. On the main BIOS screen press Ctrl + F1. You will see the screen flicker. Next select the MB Intelligent Tweaker option. On that screen you will see many additional settings that were not there before. [b]MIB Intelligent Tweaker (M.I.T.)[/b]Robust Graphics Booster = Auto CPU Clock Ratio = 8.5 Fine CPU Clock Ratio = +0.0 CPU Host Clock Control = Enabled Clock Chip Control CPU Host Clock Control = Enabled CPU Host Frequency (Mhz) = 333Mhz PCI Express Frequency = 100Mhz C.I.A.2 = Disabled DRAM Performance Control DRAM Timing Selectable = Manual CAS Latency Time = 5 tRCD = 5 tRP = 5 tRAS = 15 Motherboard Voltage Control CPU Vcore = Auto CPU Termination = Auto CPU PLL = Auto CPU Reference = Auto MCH Core = Auto MCH Reference = Auto ICH I/0 = Auto Performance Enhance = Standard System Memory Multiplier = 2.0 Hi Speed DRAM DLL Settings = Option 2 DRAM Timing Selectable = Manual CAS Latency Time = 5 DRAM RAS# to CAS# Delay = 5 RAS# Precharge = 5 Precharge Delay (tRAS) = 15 ACT to ACT delay = Auto Bank Write To READ Delay = Auto Refresh to ACT Delay = 0 Read to Precharge Delay = Auto [b]System Voltage Control[/b] DDR2 OverVoltage Control = +.2V PCI-e OverVoltage Control = Normal (G)MCH OverVoltage Control = +.03 CPU Voltage Control = Auto Boot to the Memtest CD and allow two full passes. Shut the system down and insert the second stick in Slot 3 and retest. Then insert the third stick in slot 2 and retest. Finally insert the fourth stick in slot 4 and retest. You can, if you wish, after the first stick and BIOS settings, insert a second, third and fourth stick and then test. If you have errors though, then you would do well to test as previously mentioned. The above will set your DRAM speed to 667Mhz and will allow for stability in the long term. C4 is a timing difference that allows for a quicker response on the load and access of the DRAM pages. Other than that, there will be no difference. Results? Link to comment Share on other sites More sharing options...
Max Edison Posted October 25, 2008 Author Share Posted October 25, 2008 Thanks for the advice, I think with a major CPU and MB upgrade, I should get some faster better matched ram. Any Corsair suggestions that will work with this new GIGABYTE GA-EP45-UD3P MB I have also bought the following so far Antec PSU 650 Antec Case EVGA 9800 GTX Intel Q9550 quad stepping 0 (they say this version will be good for OC) The Gigabyte p45 Board Vista 32 bit Utimate Now i don't want to hold the system back with the Ram, so I'm thinking for now 4GIG of 2Gigs each Here is the MB Memory Compatibility list, I see the 2GB CORSAIR CM2X2048-8500C5D DS listed and at New Egg (where I buy everything) they have a good deal on TWIN2X4096-8500C5DF Again we are 1 letter off! Gigabytes listing does not that the "F" at the end???? What does the F mean, is this a different product? I hope someone can answer this soon, as I want to get this ordered this weekend as the New Egg deal has free shipping and a nice fan. With New Egg, one day there is free shipping and the next not. So does the New Egg part# = the number on the vendor list? http://www.gigabyte.com.tw/FileList/MemorySupport/motherboard_memory_ga-ep45-ud3p.pdf This is the MB compatabiltiy list Link to comment Share on other sites More sharing options...
DerekT Posted October 25, 2008 Share Posted October 25, 2008 F stands for "Fan". There is no difference otherwise. Twin2X4096-8500C5 is the part and that's a fine set of modules. You will be able to run them at the full 1066Mhz with a two slot population. Link to comment Share on other sites More sharing options...
Max Edison Posted October 25, 2008 Author Share Posted October 25, 2008 Thanks for the fast reply, last question New Egg has these Dominators TWIN2X4096-8500C5D Venor list ok's these 2GB CORSAIR CM2X2048-8500C5D Only difference is the 4096 vs 2048, I would assume these would work, maybe the vendor did not test this size? I think I will go with the Dominators unless I see different here, they seem to have much better reviews Link to comment Share on other sites More sharing options...
DerekT Posted October 25, 2008 Share Posted October 25, 2008 I think I will go with the Dominators unless I see different here, they seem to have much better reviews These modules will run very well. I run them myself. Link to comment Share on other sites More sharing options...
Max Edison Posted October 25, 2008 Author Share Posted October 25, 2008 Thanks man, Just ordered these, Anything to keep in mind to get my first build going without issues? is there something I should read here about how to install these in a new build, or is it as simple as just put em in and fireup, Sorry I know that's another question Link to comment Share on other sites More sharing options...
Wired Posted October 25, 2008 Share Posted October 25, 2008 TWIN2X4096-8500C5D 2GB CORSAIR CM2X2048-8500C5D They're the SAME THING. The former is a pre-tested pair of the latter. Link to comment Share on other sites More sharing options...
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