Gigabyte GA-MA790XT-UD4P Manual - Page 41

Memory Clock This option is configurable only when Set Memory Clock is set to Manual. x4.00 Sets Memory Clock to x4.00. x5.33 Sets Memory Clock to x5.33. x6.66 Sets Memory Clock to x6.66. x8.00 Sets Memory Clock to x8.00. DRAM Configuration CMOS Setup Utility-Copyright (C) 1984-2009 Award Software DRAM Configuration CPU Host Clock Control x CPU Frequency (MHz) Set Memory Clock x Memory Clock DCTs Mode DDR3 Timing Items x CAS# latency x RAS to CAS R/W Delay x Row Precharge Time x Minimum RAS Active Time x 1T/2T Command Timing x TwTr Command Delay x Trfc0 for DIMM1 x Trfc2 for DIMM2 x Trfc1 for DIMM3 x Trfc3 for DIMM4 x Write Recovery Time x Precharge Time x Row Cycle Time x RAS to RAS Delay Move Enter: Select F5: Previous Values [Auto] 200 [Auto] x6.66 1333Mhz [Unganged] [Auto] SPD Auto 7T Auto 7T Auto 7T Auto 20T Auto - - Auto 5T Auto 90ns Auto - - Auto - - Auto - - Auto 10T Auto 5T Auto 28T Auto 4T Auto 7T 7T 7T 20T - 5T 90ns - - - 10T 5T 28T 4T Item Help Menu Level +/-/PU/PD: Value F10: Save F6: Fail-Safe Defaults ESC: Exit F1: General Help F7: Optimized Defaults CPU Host Clock Control, CPU Frequency (MHz), Set Memory Clock, Memory Clock The settings under the four items above are synchronous to those under the same items in the MB Intelligent Tweaker(M.I.T.). DCTs Mode Allows you to set memory control mode. Ganged Sets memory control mode to single dual-channel. Unganged Sets memory control mode to two single-channel.(Default) DDR3 Timing Items Manual allows all DDR3 Timing items below to be configurable. Options are: Auto (default), Manual. CAS# latency Options are: Auto (default), 4T~12T. RAS to CAS R/W Delay Options are: Auto (default), 5T~12T. Row Precharge Time Options are: Auto (default), 5T~12T. Minimum RAS Active Time Options are: Auto (default), 15T~30T. 1T/2T Command Timing Options are: 1T (default), 2T. TwTr Command Delay Options are: Auto (default), 4T~7T. Trfc0 for DIMM1 Options are: 90ns (default), 110ns, 160ns, 300ns, 350ns. - 41 - BIOS Setup