Flashing Raspberry Pi OS onto the eMMCĪt this point, the eMMC storage behaves just like a microSD card or USB drive that you plugged into your computer. You might also notice the D2 LED lighting up that means there is disk read/write activity on the eMMC. rpibootĪnd a few seconds later, after it finishes doing its work, you should see the boot volume mounted on your Mac (or on whatever Linux computer you're using). Now there should be an rpiboot executable in the directory. Third, cd into the usbboot directory and build rpiboot: $ cd usbboot Second, clone the usbboot repository to your computer: $ git clone -depth=1 another Raspberry Pi), run: sudo apt install libusb-1.0-0-dev On my Mac, I have Homebrew installed, so I ran: brew install pkgconfig libusb.I did all of this in the Terminal application on my Mac.įirst, make sure you have the libusb library installed: The next step is to download the Raspberry Pi usbboot repository, install a required USB library on your computer, and build the rpiboot executable, which you'll use to mount the storage on your computer. The eMMC module should now be ready for the next step. The board will power on, and you'll see the red 'D1' LED turn on, but the Compute Module won't boot. Then, plug a USB cable from your computer (in my case, my Mac-but it could be a Windows or Linux computer too) into the 'USB Slave' micro USB port on the IO Board, and plug in power: You could also pop any kind of conductor between the two pins, like a female-to-female jumper.

Before you can set the eMMC storage into 'USB mass storage' mode, you have to put a jumper over the first set of pins on the 'J2' jumper-the jumper labeled 'Fit jumper to disable eMMC boot':ĭon't have a jumper? I bought a huge pack of jumpers years ago, and grabbed one from that bag.

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