Foxconn A74ML 3.0 English Manual. - Page 39

3 DRAM Timing Configuration CMOS Setup Utility - Copyright (C) 1985-2006, American Megatrends, Inc. DRAM Timing Configuration DRAM Timing Configuration Help Item Memory Speed Mode [Auto] DRAM Timing Mode [Auto] Options Auto Limit Manual Move Enter:Select +/-/:Value F10:Save ESC:Exit F1:General Help F9:Optimized Defaults ► Memory Speed Mode This item is used to enable/disable provision of DRAM timing by SPD device. The Serial Presence Detect (SPD) device is a small EEPROM chip, mounted on a DDR2 memory module. It contains important information about the module's speed, size, addressing mode and various other parameters, so that the motherboard memory controller (chipset) can better access the memory device. Select [Auto] for SPD enable mode. Select [Limit], the DRAM speed will not exceed the specified value listed in the "Memory Speed Adjust" item. If SPD value is faster than "Memory Speed Adjust" value, it will run at the specified "Memory Speed Adjust" speed. Otherwise, SPD value is selected. Select [Manual], then DRAM speed is manually selected according to the set value of "Memory Speed Adjust". ► DRAM Timing Mode When both DCTs (DRAM controller) are enabled in unganged mode, BIOS must initialize the frequency of each DCT in order, you also can configure the timings manually. Settings are : [Auto], [DCT 0], [DCT 1], [Both]. [DCT 1] and [Both] will appear only in AM2+ or AM3 CPU. 32