druid_3_2000 Posted February 28, 2005 Share Posted February 28, 2005 I'm attempting to use 2 sticks of CMX512-3200XLPRO ram with a new Asus A8V Deluxe MB - AMD 64 CPU 3500+ other RAM info as printed on the sticks: XMS3208v1.1 0443013-2 indicates 2.2.2.5 latency MB has 4 memory slots: A1 (blue) A2 (black) B1 (blue) B2 (black) For a single stick, Asus recommends it go in slot B1 For dual channel, Asus recommends they go in slots A1 - B1. I can put either stick (by itself) into slot B1, board boots fine With sticks in slots A1 & B1, no boot (tried both combinations of sticks) With sticks in slots A2 & B2, no boot (tried both combinations of sticks) With sticks in slots B1 & B2, boots fine, but only in Single Channel mode (to be expected) I haven't mucked with any of the MB memory timings yet. The values that are available for me to change include: Bank Interleaving // set to auto // [auto - enabled - disabled] available Node Interleaving // set to disabled // [auto - enabled - disabled] available Burst Length // set to 8 beats // [4 beats - 8 beats] available everything below is currently set to "auto": CAS Latency [CL] [auto - 2.0 - 2.5 - 3.0] available TRC [auto - 7 - 8 - 9 - 10 - 11 - 12 - 13] CLK available TRFC [auto - 9 - 10 - 11 - 12 - 13 - 14 - 15] CLK available TRCD [auto - 2 - 3 - 4 - 5 - 6] CLK available TWR [auto - 2 - 3] CLK available TRWT [auto - 1 - 2 - 3 - 4 - 5 - 6] CLK available TRAS [auto - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15] CLK available TRP [auto - 2 - 3 - 4 - 5 - 6] CLK available TWCL [auto - 1 - 2] CLK available AsyncLat [auto - 4 - 5 - 6 - 7 - 8 - 9] CLK available Read Preamble Setting [auto - 2.0 - 2.5 - 3.0 - 3.5 - 4.0 - 4.5 - 5.0 - 5.5 - 6.0 - 6.5 - 7.0 - 7.5 - 8.0 - 9.0] ns available 2T Command [auto - enabled - disabled] available I'm using an enermax 600W power supply, so I don't think this is a low power issue. Any recommendations on settings to see if I can get this thing to boot in Dual Channel mode? Or, if you need further information, please indicate what you need. Thanks! Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted March 1, 2005 Corsair Employees Share Posted March 1, 2005 Please make sure that you have the latest bios, as that can cause this issue. If you do and still have this problem, I would RMA the CPU. Link to comment Share on other sites More sharing options...
druid_3_2000 Posted March 1, 2005 Author Share Posted March 1, 2005 Please make sure that you have the latest bios, as that can cause this issue. If you do and still have this problem, I would RMA the CPU. Out of idle curiosity, why do you recommend an RMA of the CPU vs. the motherboard? Is there are history of these CPUs causing this type of issue? The BIOS version that the board came with is 1008. The latest released version is 1009 and the latest beta 1010-003. Start with 1009 and then try 1010-003 if 1009 doesn't work? Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted March 1, 2005 Corsair Employees Share Posted March 1, 2005 That type of failure would suggest the memory controller is failing and the memory controller is in the CPU. If it's the MB the latest bios should solve the problem. Link to comment Share on other sites More sharing options...
druid_3_2000 Posted March 23, 2005 Author Share Posted March 23, 2005 That type of failure would suggest the memory controller is failing and the memory controller is in the CPU. If it's the MB the latest bios should solve the problem. Just FYI, I returned the CPU. Dropped the new one in and it booted in Dual Channel Mode no problems at all, so it really was the CPU. Thanks for the advice! Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted March 23, 2005 Corsair Employees Share Posted March 23, 2005 Great and thanks for letting us know! Link to comment Share on other sites More sharing options...
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