How fastest 1000M ethernet speed did imx6q acutally have？

[wyb0116]

I made a testing about 1000M ethernet maximum speed on toradex imx6q evaluation board. The board use KSZ8031 phy chip. Did anyone know faster ethernet speed on imx6q chip.

[Yuri]

Hello,

   From erratum ERR004512 (ENET: 1 Gb Ethernet MAC (ENET) system limitation) :

"Limitation of ENET throughput to around 400 Mbps. ENET remains fully compatible to
1Gb standard in terms of protocol and physical signaling. If the TX and RX peak data rate is higher
than 400 Mbps, there is a risk of ENET RX FIFO overrun".

http://www.nxp.com/assets/documents/data/en/errata/IMX6DQCE.pdf 

Have a great day,

Yuri

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