Gigabyte H273-Z80-LAN1 User Manual page 116

5-3-3-5 DDR Bus Configuration
Parameter
DDR Bus Configuration
Dram ODT impedance RTT_
NOM_WR
Dram ODT impedance RTT_
NOM_RD
Dram ODT impedance RTT_
WR
Dram OD Timpedance RTT_
PARK
Dram OD Timpedance DQS_
RTT_PARK
Description
Select the DRAMs On-die Termination impedance for RTT_NOM_WR.
Options available: Auto, RTT_OFF, RZQ (240), RZQ/2 (120), RZQ/3 (80)
RZQ/4 (60), RZQ5/(40), RZQ6/(20), RZQ7/(34).
Default setting is Auto.
Select the DRAMs On-die Termination impedance for RTT_NOM_RD.
Options available: Auto, RTT_OFF, RZQ (240), RZQ/2 (120), RZQ/3 (80)
RZQ/4 (60), RZQ5/(40), RZQ6/(20), RZQ7/(34).
Default setting is Auto.
Select the DRAMs On-die Termination impedance for RTT_WR.
Options available: Auto, RTT_OFF, RZQ (240), RZQ/2 (120), RZQ/3 (80)
RZQ/4 (60), RZQ5/(40), RZQ6/(20), RZQ7/(34).
Default setting is Auto.
Select the DRAMs On-die Termination impedance for RTT_PARK.
Options available: Auto, RTT_OFF, RZQ (240), RZQ/2 (120), RZQ/3 (80)
RZQ/4 (60), RZQ5/(40), RZQ6/(20), RZQ7/(34).
Default setting is Auto.
Select the DRAMs On-die Termination impedance for DQS_RTT_PARK.
Options available: Auto, RTT_OFF, RZQ (240), RZQ/2 (120), RZQ/3 (80)
RZQ/4 (60), RZQ5/(40), RZQ6/(20), RZQ7/(34).
Default setting is Auto.
BIOS Setup
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