ASRock 4CoreDX90-VSTA R2.0 User Manual - Page 36

REF to ACT / REF to REF (Trfc) Use this option to select REF to ACT / REF to REF (Trfc). Configuration options: [Auto], [8T] to [71T]. The default value is set to [Auto] to set the timing by dram SPD. ACT(0) to ACT (1) (Trrd) Use this option to select ACT(0) to ACT (1) (Trrd). Configuration options: [Auto], [2T], [3T], [4T], and [5T]. The default value is set to [Auto] to set the timing by dram SPD. Read to Precharge (Trtp) Use this option to select Read to Precharge (Trtp). Configuration options: [Auto], [2T], [3T]. The default value is set to [Auto] to set the timing by dram SPD. Write to Read CMD (Twtr) Use this option to select Write to Read CMD (Twtr). Configuration options: [Auto], [1T], [2T]. The default value is set to [Auto] to set the timing by dram SPD. Write Recovery Time (Twr) Use this option to select Write Recovery Time (Twr). Configuration options: [Auto], [2T], [3T], [4T], and [5T]. The default value is set to [Auto] to set the timing by dram SPD. DRAM Command Rate Use this to select DRAM Command Rate. Configuration options: [Auto], [1T] and [2T]. The default value is [2T]. DRAM Voltage Use this to select among [Auto], [Normal] and [High] for DRAM Voltage. The default value is [Auto]. VDDQ Voltage Use this to select among [Auto], [Normal] and [High] for VDDQ Voltage. The default value is [Auto]. Primary Graphics Adapter This item shows the primary graphics adapter. The default value is [PCI]. Configuration options: [Onboard], [PCI] and [PCI Express]. Onboard VGA Share Memory This allows you to set the onboard VGA share memory feature. The default value is [Auto]. Configuration options: [Auto], [16MB], [32MB], [64MB], [128MB], and [256MB]. Onboard VGA Aperture Size This allows you to set the onboard VGA aperture size. The default value is [64MB]. Configuration options: [32MB], [64MB], [128MB] and [256MB],. 36