Asus ROG CROSSHAIR X670E EXTREME ROG CROSSHAIR X670E Series BIOS manual Englis - Page 58
DRAM ODT impedance RTT_NOM_RD
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The following item appears only when Twrrd Ctrl is set to [Manual]. Twrrd Specifies the Write to Read turnaround timing. Valid values: 0x1 ~ 0xF. The value is in hex. Trdwr Ctrl [Auto] [Manual] Follow default setting. Manually specify. The following item appears only when Trdwr Ctrl is set to [Manual]. Trdwr Specifies the Read to Write turnaround timing. Valid values: 0x1 ~ 0x1F. The value is in hex. DDR BUS Configuration This item allows you to configure DDR BUS configuration. Processor CK drive strengths Configuration options: [Auto] [120.0 Ohm] [60.0 Ohm] [40.0 Ohm] [30.0 Ohm] Processor CA drive strengths Configuration options: [Auto] [120.0 Ohm] [60.0 Ohm] [40.0 Ohm] [30.0 Ohm] Processor CS drive strengths Configuration options: [Auto] [120.0 Ohm] [60.0 Ohm] [40.0 Ohm] [30.0 Ohm] DRAM ODT impedance RTT_NOM_WR Configuration options: [Auto] [RTT_OFF] [RZQ (240)] [RZQ/2 (120)] [RZQ/3 (80)] [RZQ/4 (60)] [RZQ/5 (48)] [RZQ/6 (40)] [RZQ/7 (34)] DRAM ODT impedance RTT_NOM_RD Configuration options: [Auto] [RTT_OFF] [RZQ (240)] [RZQ/2 (120)] [RZQ/3 (80)] [RZQ/4 (60)] [RZQ/5 (48)] [RZQ/6 (40)] [RZQ/7 (34)] DRAM ODT impedance RTT_WR Configuration options: [Auto] [RTT_OFF] [RZQ (240)] [RZQ/2 (120)] [RZQ/3 (80)] [RZQ/4 (60)] [RZQ/5 (48)] [RZQ/6 (40)] [RZQ/7 (34)] DRAM ODT impedance RTT_PARK Configuration options: [Auto] [RTT_OFF] [RZQ (240)] [RZQ/2 (120)] [RZQ/3 (80)] [RZQ/4 (60)] [RZQ/5 (48)] [RZQ/6 (40)] [RZQ/7 (34)] DRAM ODT impedance DQS_RTT_PARK Configuration options: [Auto] [RTT_OFF] [RZQ (240)] [RZQ/2 (120)] [RZQ/3 (80)] [RZQ/4 (60)] [RZQ/5 (48)] [RZQ/6 (40)] [RZQ/7 (34)] Processor ODT impedance Configuration options: [Auto] [High Impedance] [480 ohm] [240 ohm] [160 ohm] [120 ohm] [96 ohm] [80 ohm] [68 ohm] [60 ohm] [53 ohm] [48 ohm] [43 ohm] [40 ohm] [36 ohm] [34 ohm] [32 ohm] [30 ohm] [28 ohm] [26 ohm] [25 ohm] Processor DQ drive strengths Configuration options: [Auto] [High Impedance] [480 ohm] [25.3 ohm] DRAM DQ drive strengths Configuration options: [Auto] [48 ohm] [40 ohm] [34 ohm] DDR Controller Configuration This item allows you to configure DDR controller configuration. 58 ROG CROSSHAIR X670E Series BIOS Manual
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