**Preserve channel order**: make existing pattern data stay in place even when chips are rearranged. when turned off, pattern data will be arranged to match (the default, and usually desired behavior).
to configure a chip, click the  to the right of the LEDs. this allows you to change chip options such as clock rate, chip type, and so on. refer to [each chip's documentation](../7-systems/README.md) for more information on its options.