You do it by changing the guid in the defaultIM reg key; you also need the clsid for the new sip. Let me say, I had a bitch of a time getting it to work w/ resco keyboard (worked fine w/ fnkbd). The key is to set the defaulIM key during customization, otherwise the rom won't boot. The skin files need to be installed before that key is loaded. With fnkbd, you'd just get an error when the welcomehead appeared (annoying) if the defaultIM was cooked in. But with Resco, you never see your bloody welcomehead. I'm not eve sure that the read letters appear on the splash screen.
I set the defaultIM during customization with a mortscript:
It runs after the skin files are installed (also with a mortscript during customization). Again, it's important that the clsid for the keyboard is cooked in, otherwise the rom will brick when you soft reset it. Once the defaultIM is set, you don't need a sipchanger, and reboots are quick
: it's always a good idea to put in all relevant info if you really want help. What keyboard? What sipchanger? What's your package look like? Did you make it yourself? Did you do it manually, or use a cab-2-oem type tool, which probably crapped everything up? My guess is that you used cab-2-oem, but that there was a setup.dll that installs the clsid for the keyboard, and you didn't get that reg key, so now your package doesn't work. I suspect this because it's weird that sipchange isn't working for you-this is probably because you don't have the clsid (you put the shortcut in Startup, right?). Cab-2-oem type deals are not a reliable method to make packages.