z-plane Posted May 1, 2006 Share Posted May 1, 2006 Hallo, 2 pairs purchased together. I have them working at 2.5-3-3-6. CPU-Z confirmed. memtest, prime and sandra say I'm fine at 2.5-3-3-6 but 2-3-3-6 no boot, 2T 200Mhz. No OCing here. 3.56GB recognosed under ''System'', a little more (3.735GB) under ''Task Manager'', somwhere inbetween by 3rd party utilities. XP Pro (SP1) with some additional fixes I needed in the way and tweaked to perform its best. Software and hardware all monitored and configured with special care. I have been talking to other people who use the same system but 2GB (2 sticks) same RAM and it works for them at 2-3-3-6. Didn't get the latest A8V deluxe BIOS update because there's trouble if something goes wrong and I can't afford that right now. Didn't read what they fixed either...will do. No other problems. I am using the 3GB switch but I have done all my tests with and without it. Here's how the RAM settings look like in the BIOS: MemclockMode: Limit Memclock to CPU ratio: 2:1 (DDR400) HardwareMemoryHole: Disabled BankInterleaving: Enabled BurstLenght: 4Beats MCTTimingMode: Manual CAS: 2.5 TRAS: 6 TRP: 3 TRCD: 3 TRC: 16 --- AsyncLat: Auto ReadPreamble Settings: Auto 2TCommand: Enabled I don't remember the rest but they must be all set to auto. I will have a look and post them if you think it's necessary. Dual channel is enabled of course, the sticks are placed where they should be. I have tried voltages (up to 2.8) and left it at 2.7. I also tried several other combinations with AGP apertures/speeds/latencies (and PCI latencies) but no go. I also pulled out the HDDs and the 5 pci cards I have in there just in case there was not enough power but that didn't work either. I know these shouldn't effect this but... Any help would be appreciated. Kind regards PS: Found the time today and did some further testing on another system I have here, same mobo and AMD 64 3200 venice E6 (eembedded memory controller), AGP MX4000 T128 MSI, 1 Samsung sp pata an 1 Samsung sp sata, 2 Plextor CDRW, same PSU. Exactly same behaviour from RAM (2-3-3-6 no boot). Link to comment Share on other sites More sharing options...
Wired Posted May 1, 2006 Share Posted May 1, 2006 2-3-3-6 is only for 1 pair, not 2. If they work fine @ 2.5-3-3-6 then that's as close as you'll get. Some have to run 4 sticks @ 3-4-4-8. Link to comment Share on other sites More sharing options...
z-plane Posted May 1, 2006 Author Share Posted May 1, 2006 Thank you for your input. I couldn't get a straight answer on that one. I had chosen the components carefully to avoid slow settings. Tcl at 2T would be snapier but it's not a problem at 2.5T. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted May 2, 2006 Corsair Employees Share Posted May 2, 2006 I would test the system one set at a time with http://www.memtest.org to be sure one is not failing, but with 4 modules I would suggest Cas 3-3-3-8 at 2.75 Volts. Link to comment Share on other sites More sharing options...
z-plane Posted May 2, 2006 Author Share Posted May 2, 2006 Hi and thanks for your input. I did run memtest, prime and sandra before I settled down to 2.5-3-3-6, (I mentioned that in my first post) but not at each set individually. I would have done so if it had given me an error but it didn't. The applications run very smoothly even at very high system load. I am positive that there is no problem with these settings as I'm working on this setup for a couple of months now. No errors, freezes, BSODs. It's a dedicated audio machine this one, stripped down to the absolutely necessary (system/software-wise); I would have heard it if there were problems. If you think that it's advisable to run additional tests on each set then I would gladly do it. regards Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted May 2, 2006 Corsair Employees Share Posted May 2, 2006 If the system is stable at those settings you should be good to go! Link to comment Share on other sites More sharing options...
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