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# 3.4 Read Gate Training Fail

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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 3-11.Read Gate Training Fail

Workaround
  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
  - FPGA DQS ODT
  The following figure shows the configuration of pull-down drive strength or CA ODT in the DDR Memory Initialization tab.
  Figure 3-12.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 3-13.Configuring DQS ODT—DDR Controller Tab