On 2011-07-31, at 8:08 AM, T. Joseph Carter wrote: > And the older driver for certain does not work anymore? So far, all the USB/Serial adapter drivers that were working under Snow Leopard continue to work just fine here under Lion including the Keyspan v2.6 driver. There may be problems but I have yet to run into one. 73 de VE3VRW Don Agro