Guralp are using Balloon 2.05g with this configuration:

This is also the version that is available from Aleph One as a developer board. There have been variants with different types and sizes of NAND flash chip.

Baords with serial numbers after 15121780 use 2K page NAND flash, not 512b nand flash.

They have add-on boards which provide:

Balloonboard: BalloonGuralpVariant (last edited 2009-02-22 21:00:16 by localhost)