How can I identify the chip manufacturer of my R2520G6U2XD re-timer card?

How can I identify the chip manufacturer of my R2520G6U2XD re-timer card?

Question:

How can I identify the chip manufacturer of my R2520G6U2XD re-timer card?

 

Answer:

There’re two manufacturers of R2520G6U2XD re-timer card. You can identify these two cards by the header’s location as below.

1.     
Manufacturer Montage:

Headers in the 1 and 2 area.

2.     
Manufacturer Astera Lab:

Headers in the 2 and 3 area.