sd card schematics on pinebook

[MarkHaysHarris777]

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hi
In the pinebook smallboard schematics why there is pcie ports in the 40 pin connector
and why RTS5229 is there as sd card ports are there
as mostof the pcie pin are grounded in the 40 pin connector on the mainboard schematics
Thanks

Its a carry-over to the Oakbook;  similar to pinebook with x86 hardware (PCIe).

... the pinebook does not have a PCIe lane, nor does it have the RTS5229 chip mounted !

Its just there to be confusing !

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The SD card pins are tied to the A64 on pins PF0 - PF6   ;  gpio160 - gpio166

The default function is gpio;  the default state is jtag;

So, the SDIO can be gpio,  SD card,  or JTag;     See the Datasheet, and the User Manual;