* 16-bit I/O functionality. The PowerBook 500 series computers
* support 16-bit stereo output, but only mono input."
*
- * http://til.info.apple.com/techinfo.nsf/artnum/n16405
+ * Technical Information Library (TIL) article number 16405.
+ * http://support.apple.com/kb/TA32601
*
* --David Kilzer
*/