Jasper with Coolrunner blinks green constantly and never boots into Xell. Trying to RGH 1.2 and used several timings but all still results in constant green flash (no groups of blinks either). :
xbox 360 RGH1.2 coolrunner rev c sur jasper 512Mo - YouTube
CONSOLE KING on Twitter: "Jasper RGH 1.2 install on a 256MB board. #monoxidesconsoleworld #xbox360mods #xbox360 #xbo… https://t.co/JdCZDcyL7b https://t.co/JFMYoSVB9b" / Twitter
CURSO RGH - INSTALACION RGH 1.2 PARA ARCADE - OPUS / FALCON / JASPER #ElTallerDeYakara - YouTube
WeekendModder.com - Everyone can mod, Tutorials and Guides | RGH Falcon or Jasper