Who needs Micro SD Cards when you can boot your RetroPie system directly from a USB HDD? Compatible with the Raspberry Pi 3, this video will show you how it’s done and what you will need to do it!Grab your own Raspberry Pi 3 RetroPie Kit here: http://amzn.to/2kTVV3z

To make this RetroPie 4.1 setup boot to a USB Hard Drive, we need a few things.

RaspberryPi 3 (Links Below)
Latest RetroPie image from http://retropie.org.uk
Keyboard
USB HDD
8GB+ Micro SD Card (Links Below)

USB 3.0 Power Y Cable Amazon (US) ► http://amzn.to/2kU35F3

★ ★ Raspberry Pi Essentials Accessories ★ ★
Amazon (US) ► http://amzn.to/2lCLHSw

★ ★ Raspberry Pi 3 Power Supply ★ ★
Amazon (US) ► http://amzn.to/2lMLtdB
eBay (WorldWide) ► https://u2b.re/e/ESTkGM

★ ★ Raspberry Pi 3 Kit ★ ★
Amazon (US) ► http://amzn.to/2kU1dfC
eBay (WorldWide) ► https://u2b.re/e/uRElHP

★ ★ Kingston USB 3 Reader ★ ★
Amazon (US) ► http://amzn.to/2lRs77u
eBay (WorldWide) ► https://u2b.re/e/KHsYIQ

★ ★ Samsung Micro SD Memory Cards ★ ★
Amazon (US) ►http://amzn.to/2lzwCCO
eBay (WorldWide) ► https://u2b.re/e/kYpeqa

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
Here’s all the commands used in the video for your convenience!
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★

sudo apt-get update && sudo apt-get install rpi-update
sudo BRANCH=next rpi-update
echo program_usb_boot_mode=1 | sudo tee -a /boot/config.txt

vcgencmd otp_dump | grep 17:

Make sure it returns 17:3020000a
If it doesn’t, your USB HDD or Stick may be incompatible.
Try it from the start once again to be sure.

sudo parted /dev/sda

mktable msdos
mkpart primary fat32 0% 100M
mkpart primary ext4 100M 100%
print
quit

sudo mkfs.vfat -n BOOT -F 32 /dev/sda1
sudo mkfs.ext4 /dev/sda2

sudo mkdir /mnt/target
sudo mount /dev/sda2 /mnt/target/
sudo mkdir /mnt/target/boot
sudo mount /dev/sda1 /mnt/target/boot/
sudo apt-get update && sudo apt-get install rsync
sudo rsync -ax –progress / /boot /mnt/target

cd /mnt/target
sudo mount –bind /dev dev
sudo mount –bind /sys sys
sudo mount –bind /proc proc

sudo chroot /mnt/target
rm /etc/ssh/ssh_host*
dpkg-reconfigure openssh-server
exit

sudo umount dev
sudo umount sys
sudo umount proc

sudo sed -i “s,root=/dev/mmcblk0p2,root=/dev/sda2,” /mnt/target/boot/cmdline.txt

sudo sed -i “s,/dev/mmcblk0p,/dev/sda,” /mnt/target/etc/fstab

cd ~
sudo umount /mnt/target/boot
sudo umount /mnt/target
sudo poweroff

If all went well, you should now be booting your RetroPie 4.1 Installation on your Raspberry Pi 3 directly from a USB Hard Drive!

***** DON’T FORGET TO *****
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