Not sure what you mean by "embedded IRDs"
Here is what I did to unlock a friend's Viewsat Extreme VS2000 for Dish:
Go to pureFTA, read the Viewsat Tutorials here:
http://www.purefta.com/forum/forumdisplay.php?f=94 Instructions here:
http://www.purefta.com/forum/showthread.php?t=157 The .PGM files are here for Viewsat Platinum and Viewsat Extreme:
http://www.purefta.com/forum/forumdisplay.php?f=90 Opkey file load instructions here:
http://www.purefta.com/forum/showthread.php?t=156 Proper settings are listed here:
http://www.purefta.com/forum/showthread.php?t=160 Viewsat User Guide here:
http://www.purefta.com/forum/showthread.php?t=20 In short, first download load2
then use it to load latest .PGM file, then use it to load opkey file, then do an AUTOSCAN for the satellites, you are done.