03/03/2008 Initial Release, Firmware release 1.0
04/15/2008 Removed C53 (adjustment to the 5V rail rise time)
04/15/2008 Firmware 1.1 changed timing scheme as follows:

P0         STANDARD PSU  
P1 5sec / 1min           was   5sec 1 min
P2 5sec / NEVER          was   5sec / 1 hour
p3 1min / 1min           was   5 sec / NEVER 
p4 15 min / 1 min        was   30 sec / 1 hour
p5 15 min / NEVER        was   30sec / NEVER 
p6 30 min / 1 min        was   30min / NEVER
p7 2 h / 1 NEVER         was   3h / NEVER

04/14/2008 Firmware 1.1: 1minute Ignition latch was active only when M4-ATX was powered on for the first time.
04/14/2008 Firmware 1.1: Further alignment in the way 12, 5, and 3.3V rails startup timing
04/14/2008 Firmware 1.1: Firmware version can be viewed via USB HID link.