goosebumps Posted January 23, 2008 Share Posted January 23, 2008 I'm building a new system with the following specs: GA-P35-DS3L rev 2.0 motherboard with bios ver F8a Intel E8400 processor XFX 7600GT graphics card 4GB Corsair memory (TWIN2X4096-6400C5) I started off putting both sticks of memory ( I tried banks 1&3, and 2&4 ) and it wouldn't POST. It works fine if I take one out and just use a single stick of 2GB, also tried switching the two and it works fine as long as only one stick is used, so I know both sticks work fine individually but not together. I've also tried bumping the voltage in the bios to 1.9 (that's what it says on the sticker) and that didn't help. I also tried changing the default settings from 5-5-5-18 to 5-5-5-12 like it says on the sticker and that didn't help either. I'm really out of ideas and wondering if there's any other settings I have to tinker with in the bios to get this to work. Any help would be greatly appreciated. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted January 23, 2008 Corsair Employees Share Posted January 23, 2008 That would suggest a problem with the MB, but with that CPU I would also suspect the MB BIOS may need to be updated and I would suggest talking to the MB Maker and make sure they BIOS version you have will support that CPU and if not I would get them to replace/repair the MB. Link to comment Share on other sites More sharing options...
goosebumps Posted January 23, 2008 Author Share Posted January 23, 2008 After reading posts with same problems with other motherboards, tried them in single channel mode (banks 1&2) and it works fine. Must be something to do with the mobo and/or bios. I will send a note to the mobo tech support. Thanks! Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted January 23, 2008 Corsair Employees Share Posted January 23, 2008 NP and please let us know how you make out! Link to comment Share on other sites More sharing options...
Djibrille Posted March 31, 2008 Share Posted March 31, 2008 Hi, I have a similar problem with my system although not quite that bad. Here's my system: Asus p5k-e wifi/ap Intel C2D 4300@2700 mhz 310fsb 1,4v 2 GB ddr2 800mhz OCZ 4-4-4-15 2T @775mhz 1.9v Evga 8800gt non-oc 250gb Seagate 7200.10 320gb WD KS Samsung sh-s203b SATA DVD-RW Leadtek winfast tv2000xp deluxe tuner Corsair HX620W Antec case, Razer mouse, Samsung 226bw etc... My problem is I cannot make my system work with 4gb Corsair TWINX2X4096-6400C5 G. I can boot Windows with the 2 sticks installed but I get random freezes in 2D mode (for example while browsing with Opera) and I cannot use 3D mode at all. As soon as it changes to 3D mode it freezes. Well the sistem is not completely frozen because for example I can get it back to 2D from 3DMark 06 by pressing ESC. Let me tell you what I tried doing so we dont waste time: 1. I set 1.9v RAM Voltage and 5-5-5-18 in Bios with and without memory remapping (4gb or 3gb)-no success 2.I had a different MB asus P5b-e that I changed -same behaviour:mad: 3.I had a different Power supply(Tagan 430W)-no success 4.I tried removing everything else except MB,CPU,RAM,VGA,HDD-no success 5.I ran everything at default speeds-no success 6. I tried 4 and 5 simultaneous-no success 6 I tried running in single channel mode (slot 1 and 2) I was ready to declare the ram bad, but it passed about four hours of Memtest86 testing, and the system was fine with only one stick of ram, and the ram worked fine in another system. I will try a BIOS update for my MB soon but am skeptical. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 1, 2008 Corsair Employees Share Posted April 1, 2008 When you changed the memory did you load setup defaults and set the timings and Voltage manually and test the system with http://www.memtest.org? Also You'll need to install MS patch 929777 from Microsoft for more than 3 GIG in Win Vista. If you have Windows Vista installed. You can search for it at http://www.microsoft.com. Link to comment Share on other sites More sharing options...
Djibrille Posted April 1, 2008 Share Posted April 1, 2008 Yes, I did load setup defaults, I also tried setting memory voltage manually to 1.9v and the timings to 5-5-5-18 as specified on the memory stickers. Running memtest was also the first thing I tried when I got the first crashes, it never showed me any errors at stock or overclocked speeds. I forgot to say that in 2d mode I don't get freezes but rather BSOD for a second then reboot. I don't have Windows Vista, I run XP 32 bit. My guess is there's some sort of incompatibility between the RAM and the video card(because the other system where all seems to be fine has an ATI card). Or maybe it's just an nvidia driver issue( I tried 169.21,169.44 and an older driver 161...something). Link to comment Share on other sites More sharing options...
DerekT Posted April 1, 2008 Share Posted April 1, 2008 Let's try a different route via tRFC. AI Overclocking: Manual CPU Ratio Control: Auto FSB Frequency: 310 (Can you make 333?) PCI-E Frequency: 100 DRAM Command Rate: 2T DRAM Frequency: 1066 FSB Strap to Northbridge: 333 DRAM Timing Control: Manual CAS# Latency: 5 RAS# to CAS# Delay: 5 RAS# Precharge: 5 RAS# Activate to Precharge: 18 TWR: Auto TRFC: 52 TWTR: Auto TRRD: Auto TRTP: Auto DRAM Static Read Control: Disabled Transaction Booster: Disabled - Relax Level = 1 Clock Over-Charging Mode: Auto CPU Spread Spectrum: Disabled PCIE Spread Spectrum: Disabled CPU Voltage: 1.4v CPU Voltage Reference: Auto CPU Voltage Damper: Enabled CPU PLL Voltage: Auto DRAM Voltage: 1.9v FSB Termination Voltage: Auto North Bridge Voltage: 1.4 North Bridge Voltage Reference: Auto South Bridge Voltage: Auto Advance CPU SettingsCPU Ratio Control: Auto C1E Suppport: Enabled Max CPUID Value Limit: Disabled Vanderpool Technology: Enabled CPU TM Function: Disabled Execute Disable Bit: Disabled PECI: Disabled Link to comment Share on other sites More sharing options...
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