theseus824 Posted August 23, 2007 Share Posted August 23, 2007 Ok here is the issue I'm currently looking at. I had built my system and it ran great for 5months until the motherboard crapped out. I was running two pairs of TWIN2X2048-6400C4 on the Asus M2N32-SLI Deluxe without any issues. I exchanged my motherboard and re-built the machine just like I had it prior to the fault. The new build refuses to POST if I install the chips for Dual-Channel however I can boot successfully if I just install 2GB in a non-paired config. After reading the forums and using the information below, I must be missing something cause I still can't get it to POST in dual-channel. I have also sucessfully boot using each stick by itself leading me to believe all sticks are good. The only thing I can think of that I noticed to be different is this board was preloaded with a BIOS newer than the one I was using before. Should I reflash and revert to the previous BIOS? I know the memory works but but just strikes me as odd because I didn't have to configure the first time, plug 'n play worked fine. Please help me before I kick this thing lol EDIT: Oh, and I realized my PSU was on the small side to I have ordered 800W unit to replace it. Motherboard make and model: Asus P5WD2 or M2N32-SLI Premium/Deluxe Each pair is tested and packaged together using the following settings: AI Over Clock Tuner: Manual CPU External Frequency: Manually set to 200MHz DDR2 SDRAM Clock: Manually set to 800MHz PCI Express Freq: Auto PCI Freq: 33.33 Performance Mode: Standard DRAM Timing Selectable: Manual SDRAM CAS Latency: 4T SDRAM RAS to CAS Delay (tRCD): 4T SDRAM Row Precharge (tRP): 4T SDRAM Active to Precharge Delay (tRAS): 12T SDRAM Write Recovery Time: 5 Write to Precharge Delay: 15 (If it's Listed) Command Rate: 2T DDR2 SDRAM Voltage: 2.1 Advanced voltage control CPU Vcore offset:_Disabled DDR2 Termination: 0.5x CPU to NB HT:____1.200V NB to SB HT:_____AUTO NB Core/PCI-E:___AUTO SB Core/PCI-E:___AUTO SB Standby core:_+1.500V Output driver control CKE:______AUTO CS/ODT:__1.00X ADD/CMD:_1.00X MEMCLK:__1.00X Chipset Core Voltage: Auto All other settings are motherboard defaults. Maximum DDR2 recommended VDIMM: 2.1 Volts Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted August 23, 2007 Corsair Employees Share Posted August 23, 2007 With 4 modules you would need to set the memory frequency at DDR667. Link to comment Share on other sites More sharing options...
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