Supplies:
- Thinkpad
- Other computer (Air in my case)
- USB Stick
- Internet connection
- Download Arch
- Follow How do I burn an ISO on a USB drive on Mac OS X?
- Plug USB into thinkpad, reboot or turn on think.
- hit F12 during startup splash screen
- select "-USB HDD" to boot from USB
- Setup wireless manually
- Jump to Partitioning
- I used
cgdisk /dev/sda
for a GPT setup. 15G for root part. rest for home - Continue to install the base system
- I used Syslinux for the bootloader
- reboot as the instructions tell you
- now go back to setup wireless