Cheat codes

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Power & Game buttons for B2 and older XOs. B3 and newer have "O" at the top and "✓" (check) at the right.

A number of special actions are available by holding down game key combinations at the same time as powering on the XO:

Firmware q2d04

Rocker left: invoke diagnostics.
You can now update the NAND FLASH from the network, by pressing all four game keys at once.

The 'X' game pad key is no longer used during upgrading.

The Open Firmware ok prompt is available by default in non-secure boot. You will have to press the Esc key during the countdown.

'X' game pad key: toggles secure and non-secure boot
'✓' (check) game pad key: forces non-pretty boot
'O' game pad key: boot from alternate image
Rotate button: display UL safety message
'◻' (square) game pad keys: wipe out user directory and do a factory-fresh install. (appropriate for upgrading machines straight from the factory)

Rotate button: play "startup sound" at boot (after q2c27, this key will turn off sound and graphic boot up screen)
'X' game pad key: interrupt boot, provide Open Firmware ok prompt. You may have to press the Esc key during the countdown (q2c25).
'O' game pad key: boot from backup OS image, for system recovery. (not yet in a stable build)
Left directional pad: try out "pretty boot" (be patient, early versions show a static boot screen for a long time) (after q2c27, this key will turn off the "pretty boot")
Right directional pad: try it and see!

Further, the Autoreinstallation image uses a couple more special game key combinations:

'X' and '✓' (check) game pad keys: skip upgrade, just write activation lease to USB key and boot. (if your XO doesn't have a check key, use the 'O' key)
'X' and '◻' (square) game pad keys: wipe out user directory and do a factory-fresh install. (appropriate for upgrading machines straight from the factory)