Elcomsoft iOS Forensic Toolkit supports original iPhone and iPod Touch 1st and 2nd generations.

New version of Elcomsoft iOS Forensic Toolkit (v. 1.11) adds support for legacy iOS devices such as original iPhone and iPod Touch 1st and 2nd generations running any version of iOS.

More information is available from the product page:
http://www.elcomsoft.com/eift.html