Jetson Orin Nano on A603, boot from W13? (M.2 KEY E slot)

I have an SD card adaptor for M.2 Key E. I tried using this with the Jetson Orin Nano I have in an A603 carrier, but it won’t boot. Is this supposed to work, or does only the Key M slot support booting?

Hi there,
I was also looking at this,

there are 3 other hits on the git hub for "
Gl :slight_smile: PJ

Currently A603 only supports booting in SSD or USB flash driver.