MrC Posted April 1, 2006 Share Posted April 1, 2006 Hi, Bought the VS1GBKIT400 memory kit the other week as an upgrade (from a 512MB dual TwinMOS kit) and immediately ran into problems with Windows XP re-booting at random. Have looked in the forum here and found various things to try (memory voltage at 2.7 volts and memory frequency at 100%) but memtest86+ fails with both modules in (it passes with one in at a time, except when using the third slot). Basic details of my system: Asus A7N8X Deluxe rev 2.0 with the latest bios Athlon 3200+ Thanks for ay help, Mike Link to comment Share on other sites More sharing options...
CandyKid Posted April 3, 2006 Share Posted April 3, 2006 Welcome to the forums, Mr. C! Can you try both modules in the first two slots? Also, either module fails when used alone, but in the third slot? If they pass together in 1 & 2, but fail both times in the third slot, that would indicate a failing chipset because the third slot is a separate memory controller channel. Since your old modules were 256MB's apiece and single sided (most likely) they may have provided a configuration which bypassed a failing of the chipset which has shown up with higher density (and double-sided) modules. Also, try resetting your CMOS and manually setting the latencies to 3-4-4-8 at 2.75 volts, CPU Interface at 100%. PLUR CK Link to comment Share on other sites More sharing options...
MrC Posted April 8, 2006 Author Share Posted April 8, 2006 Hi KC, Thanks for the info, I've tried various set-ups... The "DDR Reference Voltage" can only be either 2.7V or 2.8V so I've set it to 2.7V, the "Memory frequency" I've set to 100%. I've left the memory timings at "optimal" which made them 2.5T-3-3-8. With both modules in slots 1 & 2, 1 & 3 and 2 & 3 they fail memtest86+. With single modules in each slot they always fail in slot 3 with memtest86+. Changing the memory settings to "User defined" 3T-4-4-8 and with both modules in slots 1 & 2, 1 & 3 and 2 & 3 they fail memtest86+. I also upped the "DDR Reference Voltage" to 2.8V but it didn't help, the tests still failed. Any more thoughts? Thanks, Mike Link to comment Share on other sites More sharing options...
CandyKid Posted April 8, 2006 Share Posted April 8, 2006 "With single modules in each slot they always fail in slot 3 with memtest86+." So they pass in slots 1 & 2 when only one module is installed at a time? Again, sounds like a faulty chipset that's having major issues running either dual-channel, the second channel, or large amounts of memory (as in 1 & 2 being populated). However, it would be a very good test if you had a friend that would install the modules and run Memtest86+ on another system, just to double-check the modules. If they run on another system, then it's your mainboard. If they do NOT run on another system, you should look for an RMA. PLUR CK Link to comment Share on other sites More sharing options...
MrC Posted April 9, 2006 Author Share Posted April 9, 2006 "So they pass in slots 1 & 2 when only one module is installed at a time?" Yes. I have no access to another system to test them in so what are my options? Thanks, Mike Link to comment Share on other sites More sharing options...
CandyKid Posted April 10, 2006 Share Posted April 10, 2006 I'd call 1-888-222-4346 and see if tech has any other suggestions! PLUR CK Link to comment Share on other sites More sharing options...
RJLeong65 Posted April 10, 2006 Share Posted April 10, 2006 I'd call 1-888-222-4346 and see if tech has any other suggestions! Well, that should be done Monday through Friday. Corsair is closed on weekends and holidays. Link to comment Share on other sites More sharing options...
MrC Posted April 10, 2006 Author Share Posted April 10, 2006 I'm in the UK so calling a number in the US doesn't appeal plus I thought these were the official forums with official people from Corsair? Link to comment Share on other sites More sharing options...
CandyKid Posted April 10, 2006 Share Posted April 10, 2006 They are official forums, I just thought it might be easier to go through the phone in all honesty. I'll make sure RAM GUY sees this thread. PLUR CK Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 10, 2006 Corsair Employees Share Posted April 10, 2006 Please install the modules in slots 2-3 and then load setup/optimized defaults and then set the Dim Voltage to 2.7X volts (+.2 Volts W/Giga-Byte) and then set the timings manually to Cass 2.5-3-3-8 and then test the module/'s one at a time with www.memtest.org! If you still get errors, please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it! However, if you get errors with both modules that would suggest some other problem and I would test them in another system or MB to be sure. CPU Freq: 200 MHz System Performance: User Define Memory Frequency: 100% Dim Voltage to 2.7 Volts Resulting Frequency: 200MHz Memory Timings: Manual/User Define SDRAM CAS Latency: 2.5T SDRAM RAS to CAS Delay (tRCD): 3T SDRAM Row Precharge (tRP): 3T SDRAM Active to Precharge Delay (tRAS): 8T Link to comment Share on other sites More sharing options...
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