Asus ZenPad 7 (asus-p01z)

Contributors

 * Eloy
 * Mis012

Bootloader unlock
If you can't access ADB, press +  from the off-state to enter fastboot mode and skip to the last commands.

After running the first command, make sure to confirm the RSA key prompt on the device.

Rooting
Thanks to the 4pda community, a custom bootimage has been developed which contains a one-shot shell script that roots the device. Download the file here and run the following command while the tablet is in fastboot mode and has been unlocked already (possibly different path):

Downstream kernel
The downstream kernel can be downloaded from Asus, see the "Drivers & Tools" tab here.

For working 3D graphics, mainline would be required, but having a port with downstream could be used in the meantime.