184.108.40.206. Dynamic On-Die Termination (ODT) in DDR4
Refer to the DDR4 JEDEC* specification or your memory vendor data sheet for details about available termination values and functional description for dynamic ODT in DDR4 devices.
For DDR4 LRDIMM, if SPD byte 152 calls for different values of Rtt_Park to be used for package ranks 0 and 1 versus package ranks 2 and 3, set the value to the larger of the two impedance settings.
Did you find the information on this page useful?