MSI 970A User Guide - Page 56

BIOS Setup ▶ tRRD Specifies the active-to-active delay of different banks. ▶ tRTP Time interval between a read and a precharge command. ▶ tFAW This item is used to set the tFAW (four activate window delay) timing. ▶ tWCL This item is used to set the tWCL (Write CAS Latency) timing. ▶ tCKE This item is used to set the Pulse Width for DRAM module. ▶ tRTL This item is used to set Round Trip Latency settings. ▶ tXP Exit Power Down with DLL on to and valid command; Exit Precharge Power Down with DLL frzon to commands not requiring a locked DLL. ==Advanced Timing Configuration== Follwing items are used to set the read/ write timings for memory. ▶ tRRDR Read-Read Different Rank, same DIMM. ▶ tRRDD Read-Read Different Rank. ▶ tWWDR Write-Write Different Rank, same DIMM. ▶ tWWDD Write-Write Different Rank. ▶ tRWDRDD Read-Write Different Ranks same or Different DIMM. ▶ tWRDRDD Write-Read Different Ranks same or Different DIMM. ▶ tRWSR Read-Write Same Rank. ▶ HT Link Speed This item allows you to set the Hyper-Transport Link speed. Setting to [Auto], the system will detect the HT link speed automatically. ▶ Adjusted HT Link Frequency It shows the adjusted HT Link frequency. Read-only. 2-14