sterlinggold Posted November 22, 2011 Share Posted November 22, 2011 Hi all, I have two Corsair CM2X2048-8500C5D DIMMs and two Crucial CT2KIT25664AA1067 DIMMs on an Asus P5Q Pro mobo. BIOS RAM settings are all in auto. When I plug only one brand in the BIOS splash screen shows RAM speed as 1066. But when I mix the brands the BIOS splash shows 800. is there any way for me to reach full 1066 with all 4 DIMMs connected? Thanks CPUZ output Chipset ------------------------------------------------------------------------- Northbridge Intel P45/P43/G45/G43 rev. A3 Southbridge Intel 82801JR (ICH10R) rev. 00 Graphic Interface PCI-Express PCI-E Link Width x16 PCI-E Max Link Width x16 Memory Type DDR2 Memory Size 8192 MBytes Channels Dual, (Symmetric) Memory Frequency 400.0 MHz (1:1) CAS# latency (CL) 5.0 RAS# to CAS# delay (tRCD) 5 RAS# Precharge (tRP) 5 Cycle Time (tRAS) 15 Row Refresh Cycle Time (tRFC) 44 Command Rate (CR) 2T MCHBAR I/O Base address 0x0FED14000 MCHBAR I/O Size 4096 Memory SPD ------------------------------------------------------------------------- DIMM # 1 SMBus address 0x50 Memory type DDR2 Module format Regular UDIMM Manufacturer (ID) Crucial Technology (7F7F7F7F7F9B0000) Size 2048 MBytes Max bandwidth PC2-8900 (555 MHz) Part number Serial number FFFFFFFF Manufacturing date Week 165/Year 165 Number of banks 2 Data width 64 bits Correction None Nominal Voltage 1.80 Volts EPP no XMP no JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency JEDEC #1 5.0-5-5-15-20 @ 333 MHz JEDEC #2 6.0-6-6-18-24 @ 400 MHz JEDEC #3 7.0-8-8-25-33 @ 555 MHz DIMM # 2 SMBus address 0x51 Memory type DDR2 Module format Regular UDIMM Manufacturer (ID) Corsair (7F7F9E0000000000) Size 2048 MBytes Max bandwidth PC2-6400 (400 MHz) Part number CM2X2048-8500C5D Number of banks 2 Data width 64 bits Correction None Nominal Voltage 1.80 Volts EPP yes (1 profiles) XMP no JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency JEDEC #1 4.0-4-4-13-16 @ 270 MHz JEDEC #2 5.0-5-5-18-23 @ 400 MHz EPP timings table CL-tRCD-tRP-tRAS-tRC-CR @ frequency (voltage) EPP profile #1 (full) 5.0-5-5-15-22-2T @ 533 MHz (2.100 Volts) DIMM # 3 SMBus address 0x52 Memory type DDR2 Module format Regular UDIMM Manufacturer (ID) Crucial Technology (7F7F7F7F7F9B0000) Size 2048 MBytes Max bandwidth PC2-8900 (555 MHz) Part number Serial number FFFFFFFF Manufacturing date Week 165/Year 165 Number of banks 2 Data width 64 bits Correction None Nominal Voltage 1.80 Volts EPP no XMP no JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency JEDEC #1 5.0-5-5-15-20 @ 333 MHz JEDEC #2 6.0-6-6-18-24 @ 400 MHz JEDEC #3 7.0-8-8-25-33 @ 555 MHz DIMM # 4 SMBus address 0x53 Memory type DDR2 Module format Regular UDIMM Manufacturer (ID) Corsair (7F7F9E0000000000) Size 2048 MBytes Max bandwidth PC2-6400 (400 MHz) Part number CM2X2048-8500C5D Number of banks 2 Data width 64 bits Correction None Nominal Voltage 1.80 Volts EPP yes (1 profiles) XMP no JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency JEDEC #1 4.0-4-4-13-16 @ 270 MHz JEDEC #2 5.0-5-5-18-23 @ 400 MHz EPP timings table CL-tRCD-tRP-tRAS-tRC-CR @ frequency (voltage) EPP profile #1 (full) 5.0-5-5-15-22-2T @ 533 MHz (2.100 Volts) Link to comment Share on other sites More sharing options...
Synthohol Posted November 22, 2011 Share Posted November 22, 2011 i doubt it, read the 2 links below Link to comment Share on other sites More sharing options...
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