PL-2303 Drivers. Generic Windows XP, Windows Vista, Windows 7, Windows 8, Server 2003 (2k3), Server 2008 (2k8) (R2) 32/64-bit drivers. Official Mac OS X Universal Binary Driver v1.4.0. OS X 10.6, 10.7, 10.8. Snow Leopard Mountain Lion. Official Prolific 2303 Universal Binary Driver v1.2.1r2. OSX 10.1 and above (Power PC).
OSX 10.4 and 10.5 (Universal). Open Source 32 and 64 bit driver for Prolific 2303 (KEXT) for Mac OS X 10.6 (Snow Leopard) 10.7 (Lion) and maybe 10.8 (Snow Mountain Tiger Cat Lion). Open Source Prolific 2303 KEXT for Mac OS X Lion (alternate build). Open Source Prolific 2303 KEXT for Mac OS X 10.4 (Tiger) 10.5 (Leopard) 10.6 (Snow Leopard) 32 bit.
Proof of Warranty Coverage. You must provide proof that the product is covered under warranty. This can be confirmed by the product's serial number or with proof of purchase in the form of an invoice or receipt from a Tripp Lite authorized dealer.