Read Gate Training Fail

Possible Reason
Signal integrity issues on CA or DQS lines. When the Read Gate training fails, a dialog box appears as shown in the following figure.
Figure 1. Read Gate Training Fail
Graphical user interface, text, application Description automatically generated
Configure any one of the following parameters to a different value using the MSS Configurator when the Read Gate training fails:
  • Memory CA ODT
  • Memory Pull-Down Drive Strength
The following figure shows the configuration of pull-down drive strength or CA ODT in the DDR Memory Initialization tab.
Figure 1. Configuring Pull-Down Drive Strength or CA ODT—DDR Memory Initialization Tab
The following figure shows the configuration of DQS ODT in the DDR Controller tab.
Figure 2. Configuring DQS ODT—DDR Controller Tab