Intel, I am now using i210 to expand the Gigabit Ethernet port, can directly connect the chip's own 1.5V and 0.9V output voltage to 1.5V and 0.9V voltage input?

[Mike_Intel]

Hello mmmmmm,

Thank you for posting in Intel Ethernet Communities. 

Before we proceed, please inform us if you are trying to design a system using I210 Ethernet card?

If you have questions, please let us know.

Best regards,

Michael L.

Intel Customer Support Technicians

A Contingent Worker at Intel

[mmmmmm]

yes,we are trying to design a system using I210 Ethernet card

[Mike_Intel]

Hello mmmmmm,

Base on your inquiry, we have specific forum for these issues and I will be transferring this thread for faster response. 

If you have questions, please let us know.

Best regards,

Michael L.

Intel Customer Support Technicians

A Contingent Worker at Intel

[mmmmmm]

I am using the I210-IT chip, but the output voltage of 1.5V and 0.9V is always 2V.

[CarlosAM_INTEL]

Hello, @mmmmmm​:

Thank you for contacting Intel Embedded Community.

The guidelines for the cited voltages can be found in section 11.3.1 and Figure 11-1, on pages 785 and 787 of the Intel(R) Ethernet Controller I210 Datasheet document # 333016 that can be found at:

https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/i210-ethernet-controller-datasheet.pdf

It is important to let you know that the RDC Account Support form is the channel to process your account update request or any inconvenience related to the provided website. It can be found at:

https://www.intel.com/content/www/us/en/forms/design/contact-support.html

Best regards,

@Mæcenas_INTEL​.