Asus ROG CROSSHAIR X670E EXTREME ROG CROSSHAIR X670E Series BIOS manual Englis - Page 72

Infinity Fabric Frequency and Dividers, Dram ODT impedance DQS_RTT_PARK

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DDR BUS Configuration Processor CA drive strengths Specifies the drive strength for all CA0-13 IOs. Configuration options: [Auto] [120.0 Ohm] [60.0 Ohm] [40.0 Ohm] [30.0 Ohm] Processor DQ drive strengths Specifies the drive strength for all DQ and DMI IOs. Configuration options: [Auto] [High Impedance] [240 ohm] [120 ohm] [80 ohm] [60 ohm] [48 ohm] [40 ohm] [34.3 ohm] Processor ODT impedance Specifies the ODT Impedance for all DBYTE IOs. Configuration options: [Auto] [High Impedance] [480 ohm] [240 ohm] [160 ohm] [120 ohm] [96 ohm] [80 ohm] [68.8 ohm] [60 ohm] Dram DQ drive strengths Specifies the Dram Pull-up and Pull-down Output Driver Impedance for all DQ and DMI IOs. Configuration options: [Auto] [48 ohm] [40 ohm] [34 ohm] Dram ODT impedance RTT_NOM_WR Specifies the DRAM On-die Termination impedance for 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 Specifies the DRAM On-die Termination impedance for 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 Specifies the DRAM On-die Termination impedance for 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 Specifies the DRAM On-die Termination impedance for 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 Specifies the DRAM On-die Termination impedance for 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)] DDR Controller Configuration DDR Power Options Power Down Enable Configuration options: [Disabled] [Enabled] [Auto] Infinity Fabric Frequency and Dividers Infinity Fabric Frequency and Dividers Allows you to set Infinity Fabric Frequency (FCLK). Auto = FCLK = MCLK. Manual = FCLK must be less than MCLK for best performance in most cases. Latency penalties are incurred if FCLK and MCLK are mismatched, but sufficiently high MCLK can negate or overcome this penalty. Configuration options: [Auto] [100 MHz] - [3000 MHz] UCLK DIV1 MODE Allows you to set UCLK DIV mode. Configuration options: [Auto] [UCLK=MEMCLK] [UCLK=MEMCLK/2] 72 ROG CROSSHAIR X670E Series BIOS Manual

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72
ROG CROSSHAIR X670E Series BIOS Manual
DDR BUS Configuration
Processor CA drive strengths
Specifies the drive strength for all CA0-13 IOs.
Configuration options: [Auto] [120.0 Ohm] [60.0 Ohm] [40.0 Ohm] [30.0 Ohm]
Processor DQ drive strengths
Specifies the drive strength for all DQ and DMI IOs.
Configuration options: [Auto] [High Impedance] [240 ohm] [120 ohm] [80 ohm]
[60 ohm] [48 ohm] [40 ohm] [34.3 ohm]
Processor ODT impedance
Specifies the ODT Impedance for all DBYTE IOs.
Configuration options: [Auto] [High Impedance] [480 ohm] [240 ohm] [160 ohm]
[120 ohm] [96 ohm] [80 ohm] [68.8 ohm] [60 ohm]
Dram DQ drive strengths
Specifies the Dram Pull-up and Pull-down Output Driver Impedance for all DQ
and DMI IOs.
Configuration options: [Auto] [48 ohm] [40 ohm] [34 ohm]
Dram ODT impedance RTT_NOM_WR
Specifies the DRAM On-die Termination impedance for 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
Specifies the DRAM On-die Termination impedance for 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
Specifies the DRAM On-die Termination impedance for 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
Specifies the DRAM On-die Termination impedance for 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
Specifies the DRAM On-die Termination impedance for 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)]
DDR Controller Configuration
DDR Power Options
Power Down Enable
Configuration options: [Disabled] [Enabled] [Auto]
Infinity Fabric Frequency and Dividers
Infinity Fabric Frequency and Dividers
Allows you to set Infinity Fabric Frequency (FCLK). Auto = FCLK = MCLK. Manual =
FCLK must be less than MCLK for best performance in most cases. Latency penalties
are incurred if FCLK and MCLK are mismatched, but sufficiently high MCLK can negate
or overcome this penalty.
Configuration options: [Auto] [100 MHz] - [3000 MHz]
UCLK DIV1 MODE
Allows you to set UCLK DIV mode.
Configuration options: [Auto] [UCLK=MEMCLK] [UCLK=MEMCLK/2]