Apple 3400C/200 Solution These problems are not heat-related. To address, hardware replacement

Hot Issues	PowerBook 3400: Modem Driver Update - 3
	Solution: These problems are not heat-related. To address
	these situations, Apple has released a modem driver update.
	Since many users believed these issues were heat-related,
	they have had many dealers replace these modems. This
	driver should resolve the issues and prevent needless
	hardware replacement.
	The Modem Driver update is posted at the Apple Software
	Updates site. Apple Software Updates can be found on the
	Service Source Companion 1 CD, and online as follows:
	America Online, CompuServe, ftp.info.apple.com, and
	ftp.support.apple.com, www.info.apple.com, and
	www.support.apple.com. The path for the update is:
	Apple Software Updates
	US
	Macintosh
	Unsupported