Look for PB1XXModem.sit at the new hotline techfury90 set up (thanks!), at ueberlandowiki.net (currently in the uploads area, probably should be relocated to Drivers). If you have the software for using external modems working (recommended as a first step), adding this may allow you to connect with the original Global Village internal modem Apple part number 661-1621, PCB marked 820-4021-B, for PB 100/140/145/160/170/180. Untested image of GlobalFax Version 2.5 for PowerPort 1XX Series Installation Disk.