How many pins is the eDP connector? (for eDP-to-HDMI adapter)

Banana Pi Router design BPI-R2 Pro(RK3568)
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Hi,

I’d like to add an HDMI output on the BPI-R2 Pro (RK3568) using an eDP-to-HDMI adapter board. The problem is that the adapter boards I can find on the market only come in 30-pin (2-lane) or 40-pin (4-lane) versions. Before I buy one, I need to know how many pins the BPI-R2 Pro’s onboard eDP connector actually is, and its pitch / pinout, so I can tell whether either type will fit (or whether I’ll need to make a custom cable). Could anyone confirm the eDP connector type and pin assignment on the board?

Thanks in advance.

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I downloaded this schematic from the BPI website. Although the version is 1.1, I found an R2ProV1.3 board and the pin count is the same. They both have a 24-pin eDP interface. You can refer to it.