Linux/AM5728: Improving PCIe eye diagram

WTMEC_Will Hsu

Part Number: AM5728

Tool/software: Linux

Hi TI team,

I'm measuring eye diagram of PCIe gen2.
But The result is FAIL. (see the attachment)
How to improving the eye diagram?
Please give me some advice.
Thanks.

PCIe Gen2 command:

PCIe_Gen2.pdf

over 8 years ago

0 Biser Gatchev-XID over 8 years ago

TI__Guru**** 393215 points

The factory team have been notified. They will comment here.

0 -DK- over 8 years ago

TI__Mastermind 27890 points

Hello,

Could you describe your PCIe topology?

At first glance these failures look to be PCB-layout related. Please ensure that the requirements set forth in the high-speed layout guidelines (SPRAAR7) have been met in your design.