This is a known issue and is resolved with SerialDMA 2.1 Update, which consists of version 2.1 of the SerialDMA extension. This new driver fixes an incompatibility that prevents certain serial devices, such as digital cameras, from establishing an initial connection. If you are using one of the following Mac OS computers, and you are using a serial device which cannot establish an initial connection, you should install this update.
- Power Macintosh 4400
- Power Macintosh 5500
- Power Macintosh 6500
- Twentieth Anniversary Macintosh
- Power Macintosh 7220
- Power Macintosh G3
- PowerBook 2400
- PowerBook 3400
- PowerBook G3
- PowerBook G3 Series.
For more information on the SerialDMA 2.1 Update and how to get it, see the following article:
Article 30581: "
SerialDMA 2.1 Update: Read Me"