Re: Quark X1000 boot OS from emmc(not SDCARD, SDCARD boot is OK), but grub not display,why? I need modify some BIOS config or change Grub?

Hi 成云,

If you are upgrading Intel® Quark™ SoC-Based Gateways from Wind River® IDP XT (MoonIsland) 2.x to 3.1, you may need to refer the following link to upgrade your firmware.

https://software.intel.com/en-us/Gateway-UpgradeQuark

I hope it helps.

Thank you.

Best Regards,

CK

Intel Customer Support

Agent under contract to Intel