Operating system image installation methods
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We use a few different methods to install operating system images.
| installation method | what files are required | how to install | references |
|---|---|---|---|
| XO-1.75 signed | .zd and fs.zip | hold down the four game pad buttons | |
| XO-1.75 unsigned | .zd alone | check if security is disabled, if so obtain developer key and disable-security, interrupt boot, then use the fs-update command | |
| XO-1.5 signed | .zd and fs.zip | hold down the four game pad buttons | Fedora 11 for XO-1.5 install to internal microSD Release_notes/10.1.1 Nandblaster_for_XO-1.5 |
| XO-1.5 unsigned | .zd alone | check if security is disabled, if so obtain developer key and disable-security, interrupt boot, then use the fs-update command | F11_for_1.5 Release_notes/10.1.2 Nandblaster_for_XO-1.5 |
| XO-1 signed | .img and fs.zip | hold down the four game pad buttons | Clean Install Procedure Nandblaster_for_XO-1 |
| XO-1 unsigned | .img and .crc | obtain developer key, disable-security, interrupt boot, then use the copy-nand command | Clean Install Procedure Release_notes/10.1.2 Nandblaster_for_XO-1 |
| XO-1 partitioned |
.dat and .img | obtain developer key, disable-security, interrupt boot, then use the update-nand command | Used by DebXO. Used by UBIFS experiments. |
The signed installation methods are the same for XO-1.75, XO-1.5 and XO-1. This was by design, since we do not wish to increase the training burden for the deployment teams.
The unsigned installation methods depend on the type of internal storage. XO-1 has raw NAND Flash. XO-1.5 and XO-1.75 have microSD or eMMC managed Flash.