I have desperatly been trying to find the ppp fix that was posted on several groups. It had the filename "AppleSCCSerial.kext.tgz"
and was meant to be found at: www.rpi.edu/~gerbal2/AppleSCCSerial.kext.tgz
but this is now broken.
Why do you need this file?
It was intended to stop Dual G4s from getting kernel panics while using the modem. Apple fixed the kernel panic problem with 10.0.1.
The -264 disconnects have yet to be fixed [to my knowledge, I haven't used my modem since 10.0.3].