Gigabyte GA-870A-UD3 Manual - Page 38
PCIe Spread Spectrum, HT Link Frequency, Set Memory Clock, DCTs Mode, DDR3 Timing Items, CAS# latency
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PCIe Spread Spectrum Enables or disables PCIe Spread Spectrum. (Default: Disabled) HT Link Frequency Allows you to manually set the frequency for the HT Link between the CPU and chipset. Auto BIOS will automatically adjust the HT Link Frequency. (Default) x1~x10 Sets HT Link Frequency to x1~x10 (200 MHz~2.0 GHz). Set Memory Clock Determines whether to manually set the memory clock. Auto lets BIOS automatically set the memory clock as required. Manual allows the memory clock control item below to be configurable. (Default: Auto) 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) 1984-2010 Award Software DRAM Configuration 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 [Unganged] [Auto] SPD Auto 7T Auto 7T Auto 7T Auto 30T Auto -- Auto 5T Auto 90ns Auto -- Auto -- Auto -- Auto 10T Auto 5T Auto 28T Auto 4T Auto 7T 7T 7T 30T -5T 90ns ---10T 5T 28T 4T Item Help Menu Level Bank interleaving Channel interleave Move Enter: Select F5: Previous Values [Enabled] [Enabled] +/-/PU/PD: Value F10: Save F6: Fail-Safe Defaults ESC: Exit F1: General Help F7: Optimized Defaults 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. BIOS Setup - 38 -