--- rxtx-2.1.7.2-r3/work/rxtx-2.1-7r2/src/RXTXCommDriver.java	2013-01-29 17:40:07.000000000 -0800
+++ rxtx-2.1.7.2-r300/work/rxtx-2.1-7r2/src/RXTXCommDriver.java	2013-01-29 17:47:43.000000000 -0800
@@ -522,6 +522,7 @@
 						"ttyACM",       // linux USB Modems
 						"ttyS", // linux Serial Ports
 						"ttySA", // for the IPAQs
+						"ttyPZ", // for G4/G5 RackMac
 						"ttyUSB" // for USB frobs
 						};
 						CandidatePortPrefixes=Temp;
@@ -552,6 +553,7 @@
 							// linux ISI serial card
 						"ttyMX",// linux Moxa Smart IO cards
 						"ttyP", // linux Hayes ESP serial card
+						"ttyPZ", // linux PPC/PPC64 Zilog serial ports
 						"ttyR", // linux comtrol cards
 							// linux Specialix RIO serial card
 						"ttyS", // linux Serial Ports