The Angstrom homepage can be found at:

  http://www.angstrom-distribution.org/

Use the Reset Button to enter Upgrade mode to flash the binary:

  http://www.nslu2-linux.org/wiki/HowTo/UseTheResetButtonToEnterUpgradeMode

You should use either the Sercomm Update Utility (for Windows users)
or the UpSlug2 Utility (for Linux and MacOS X users) to flash the
image:

  http://www.nslu2-linux.org/wiki/Main/SercommFirmwareUpdater
  http://www.nslu2-linux.org/wiki/Main/UpSlug2
  http://www.nslu2-linux.org/wiki/Main/UpSlug2onOSX

The source code that created the Angstrom/NSLU2 binary firmware
distribution can be found at:

  http://www.angstrom-distribution.org/building-angstrom

If you find the Angstrom/NSLU2 firmware useful, you may wish to make a donation:

  http://www.nslu2-linux.org/wiki/Main/Donate