Preparing a memory card
Here are the minimum requirement of the operating system.
- Ubuntu Minimal EmulationStation: At least 4 GB is recommended.
To insert a memory card into your computer, you need a memory card reader to work with that.
You can purchase OS preinstalled microSD cards from https://www.hardkernel.com/product-category/memories/.
When you choose a memory card, please keep in mind that you should check the product name carefully to choose a proper memory card for your board.
Download OS image
Ubuntu minimal EmulationStation image
| Release versions | Downloads | Release-notes | Description |
|---|---|---|---|
| v2.2 | Ubuntu 18.04 ES image : KR US | release-notes | |
| v2.1 | Ubuntu 18.04 ES image : KR US | release-notes | |
| v2.0 | Ubuntu 18.04 ES image : KR US | release-notes | Add support for OGS and OGA / OGA-BE |
| v1.3 | Ubuntu 18.04 ES image : KR US | release-notes | |
| v1.2 | Ubuntu 20.04 ES image : KR US | release-notes | Add support for OGA Rev1.1 (OGA-BE) |
| v1.1 | Ubuntu 19.10 ES image : KR US | release-notes | |
| v1.0 | Ubuntu 18.04 ES image : KR US | release-notes | The First Release |
Installation
Download Etcher
You can easily flash an image to your memory card using Etcher.
Download Etcher here: https://www.balena.io/etcher/
Flash the image
- Open Etcher.
- Select the downloaded OS image.
- Select the inserted memory card. (Normally, the memory card is detected automatically.)
- Click Flash!
Partition Layout of SD Card
| partition | start | size | note | ||
|---|---|---|---|---|---|
| sector | bytes | sector | bytes | ||
| mbr | 0 | 0 | 1 | 512 bytes | - |
| idbloader (+ reserved) | 64 | 32 kB | 8191 | 4 MB - 512 byte | idbloader.img |
| uboot | 16384 | 8 MB | 8192 | 4 MB | uboot.img |
| trust | 24576 | 12 MB | 8192 | 4 MB | trust.img |
| BOOT (vfat) | 32768 | 16 MB | 229376 | 112 MB | /dev/mmcblk1p1 |
| rootf (ext4) | 262144 | 128 MB | - | - | /dev/mmcblk1p2 |
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