Hi.

We have made a custom circuit board based on Intel i7 and TGL-UP3 with the MR8 Slimboot code & its EDK code.

We have logged the responses (during boot) when we do not connect / do connect NVMe storage through PCIe:

1. When no NVMe storage was connected: Test_07Jan25_1_payloaddebug_withoutnvme.log

2. When Transcend's (Gen3) NVMe storage was connected: Test_08Jan25_2_payloaddebug_withtranscendnvme.log

3. When Advantech's (Gen3) NVMe storage was connected: Test_08Jan25_0_payloaddebug_withadvantechnvme.log

4. When Western Digital's (Gen4) NVMe storage was connected: Test_10Jan25_1_payloaddebug_withwdblacknvme.log

4.1. "NvmExpressPassThru: Timeout occurs for an NVMe command." message was seen.

A. Why does the timeout occur for Western Digital's Gen4 storage?

B. How can we correct this error?

Thanks, cheers!

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