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On 07/17/2013 10:57 PM, Stan Hoeppner
wrote:
Lets kind of start over.On 7/16/2013 6:30 PM, Gary Roach wrote:I can't say that the memory is absolutely good but can say with a high degree of certainty that it is the correct memory for the system.I gave you the exact JEDEC specs the 4x 1GB DIMMs need to be, and you didn't respond to that. Post the part identification number and density information located on the sticker on each of the 4 DIMMs. Either the board has a problem or the DIMMs are the problem. Apparently the board worked fine for years before you added RAM, correct? That makes the DIMMs the likely suspect.I am going to try running sysbench on the memory and see if that uncovers anything. I know that it is primarily for bench testing but may uncover something.Sysbench can't tell you why the BIOS doesn't see all of the RAM. It might reveal a timing problem, or bad cells, but such issues won't cause the main problem you have. 1) I thought I said early on that this was a new to me, used, mobo. I don't know if it worked before. 2) The bios in setup mode lists 4 memory modules 3) The bios on post checks finds only 2.92GB of ram 4) The Kingston KVR400 series modules are recommended by Intel for the D865PERL mobo. 5) I ran memtest86+ on the system. The program found no errors but only found 3 memory slots. 6) I installed lm-sensor. i2c-tools and modprobed the eeprom kernel module. This allowed me to run decode-dimms. This program reads the SPD information off of each of the memory modules. This program found all 4 modules. The listing for all 4 modules were identical with the exeption of the serial numbers. The results from the 4th module was: ---=== SPD EEPROM Information ===---At this point I strongly suspect that the bios is defective. My next move is to reburn it. Gary R |