ASRock AD425PV3 User Manual - Page 27

CPU Frequency (MHz) Use this option to adjust CPU frequency. Boot Failure Guard Enable or disable the feature of Boot Failure Guard. Boot Failure Guard Count Enable or disable the feature of Boot Failure Guard Count. Spread Spectrum This item should always be [Auto] for better system stability. DRAM Frequency If [Auto] is selected, the motherboard will detect the memory module(s) inserted and assigns appropriate frequency automatically. You may select [Auto] and [400MHz DDR3_800]. DRAM Timing Control BIOS SETUP UTILITY OC Tweaker Standard Memory Info : 6-6-6-18-52-6-3-3-3 DRAM tCL [Auto] DRAM tRCD [Auto] DRAM tRP [Auto] DRAM tRAS [Auto] DRAM tRFC [Auto] DRAM tWR [Auto] DRAM tWTR [Auto] DRAM tRRD [Auto] DRAM tRTP [Auto] Specifies the CAS Latency Time. Min = 3 Max = 7 +F1 F9 F10 ESC Select Screen Select Item Change Option General Help Load Defaults Save and Exit Exit v02.54 (C) Copyright 1985-2003, American Megatrends, Inc. DRAM tCL This controls the number of DRAM clocks for TCL. Min: 5. Max: 10. The default value is [Auto]. DRAM tRCD This controls the number of DRAM clocks for TRCD. Min: 3. Max: 10. The default value is [Auto]. DRAM tRP This controls the number of DRAM clocks for TRP. Min: 3. Max: 10. The default value is [Auto]. DRAM tRAS This controls the number of DRAM clocks for TRAS. Min: 9. Max: 24. The default value is [Auto]. DRAM tRFC This controls the number of DRAM clocks for TRFC. Min: 16. Max: 78. The default value is [Auto]. 27