mcapasso Posted October 27, 2007 Share Posted October 27, 2007 Hi, I have upgraded my mobo vith 2x1GB Value select Corsair memory. Using bios default setting the system wont boot, it restart after post. I have changed only the bios memory to 266MHz and 2.5, 3, 3, 7 as suggested on this forum. http://www.asktheramguy.com/v3/showthread.php?t=48103&highlight=a7v600-x But I can't set the voltage at 2.7 because the 1009 bios don't have this setting. I tried to make a test using Windows memory diagnostic and it freeze always on test N°4 The PC specs are: AMD Sempron 7.8.1 256 L2 cache (I think it is a 2400+) A7V600-X SYS 305 AGP Card Maxtor 160GB ATA Someone have any suggestion to help me? Thanks in advance for your help Maurizio Link to comment Share on other sites More sharing options...
DerekT Posted October 27, 2007 Share Posted October 27, 2007 Since you can not set the Vdimm (DRAM Voltage) you might wish to try setting the DRAM to 3-4-4-8 2T. Try with 333Mhz. You are running 2 X 1024 sticks, correct? Link to comment Share on other sites More sharing options...
mcapasso Posted October 27, 2007 Author Share Posted October 27, 2007 Since you can not set the Vdimm (DRAM Voltage) you might wish to try setting the DRAM to 3-4-4-8 2T. Try with 333Mhz. You are running 2 X 1024 sticks, correct? Correct, but I'm not sure if the cpu is a 2400+ How can I identify it Link to comment Share on other sites More sharing options...
DerekT Posted October 27, 2007 Share Posted October 27, 2007 Download CPU-z from Here This will inform you of your CPU speed and model. Link to comment Share on other sites More sharing options...
mcapasso Posted October 27, 2007 Author Share Posted October 27, 2007 Download CPU-z from Here This will inform you of your CPU speed and model. Thanks the files attached is the result cpuz. The actual setting semms to be working fine, but I'm sure that CPU is a sempron not a athlon XP. Link to comment Share on other sites More sharing options...
DerekT Posted October 27, 2007 Share Posted October 27, 2007 Sempron of that variety is the same as an Athlon of that variety. Both carry 256k cache. It's not reading correctly though, so I suspect you are correct. The Sempron 2400+ was a B0 revision 266Mhz FSB processor. However, your settings show 133MHz as the FSB, and you need to change this so that your processor is running correctly. You are, at the moment, running at 10 x 133 = 1333MHz. You should be running at 10 X 166Mhz = 1.667MHz. Change your FSB to 166Mhz, and that will give you a 1:1 relationship with the 166 X 2 (dual channel) DRAM. In your BIOS under Advanced CPU External Frequency = 166Mhz I would then set your DRAM to 3-3-3-8 and 333Mhz as you can often have issues with dropping the DRAM too low. Set to the above and run Memtest. I would not run the Windows Memory Test. Download memtest from http://www.memtest.org. Extract the ISO image, and burn the ISO image to an optical disk. Boot to the memtest CD in the optical drive. Allow for two full passes. Results? Link to comment Share on other sites More sharing options...
mcapasso Posted October 27, 2007 Author Share Posted October 27, 2007 Sempron of that variety is the same as an Athlon of that variety. Both carry 256k cache. It's not reading correctly though, so I suspect you are correct. The Sempron 2400+ was a B0 revision 266Mhz FSB processor. However, your settings show 133MHz as the FSB, and you need to change this so that your processor is running correctly. You are, at the moment, running at 10 x 133 = 1333MHz. You should be running at 10 X 166Mhz = 1.667MHz. Change your FSB to 166Mhz, and that will give you a 1:1 relationship with the 166 X 2 (dual channel) DRAM. In your BIOS under I would then set your DRAM to 3-3-3-8 and 333Mhz as you can often have issues with dropping the DRAM too low. Set to the above and run Memtest. I would not run the Windows Memory Test. Download memtest from http://www.memtest.org. Extract the ISO image and burn the ISO image to an optical disk. Boot to the memtest CD in the optical drive. Allow for two full passes. Results? ok, I will try it Link to comment Share on other sites More sharing options...
mcapasso Posted October 27, 2007 Author Share Posted October 27, 2007 ok, I will try it Using your setting the pc freeze before post (black screen) I tried your suggestions changing only the memory speed to 266 and the pc start. Now I will test it with memtest. Other suggestion? Link to comment Share on other sites More sharing options...
DerekT Posted October 27, 2007 Share Posted October 27, 2007 If you pass memtest, then you are good for the go. Link to comment Share on other sites More sharing options...
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