Ask Your Question
0

PCIE跑不起来,怎么破?

asked 2018-11-13 01:58:35 -0600

nick qian gravatar image

updated 2018-11-13 01:59:36 -0600

如题。调了一段时间了

edit retag flag offensive close merge delete

Comments

现在能动了,不稳怎么回事?

nick qian gravatar imagenick qian ( 2018-11-13 02:03:47 -0600 )edit

1 answer

Sort by » oldest newest most voted
0

answered 2018-11-13 02:03:33 -0600

nick qian gravatar image

1)先用我们参考设计跑下,看硬件或者安装有没问题。 2)如果我们参考设计能动,仔细检查看PCIE相关管腿约束有没绑错。不能小看低级错误,我们碰到过好机会了,都是管腿绑错了纠结好几个礼拜。 3)PCIE的serdes速度远在我们板上最高速度之下,一般情况不用考虑是板级性能问题。主要看readme

edit flag offensive delete link more

Your Answer

Please start posting anonymously - your entry will be published after you log in or create a new account.

Add Answer

Question Tools

1 follower

Stats

Asked: 2018-11-13 01:58:35 -0600

Seen: 695 times

Last updated: Nov 13 '18