> On 18 Feb 2015 at 11:25, peter green wrote: > > On 17/02/15 23:54, Brent Brown wrote: > > Similar happened to me too some years ago, same OS change, but I seem t= o recall > > I was unable to even program let alone debug. From memory were no 64 bi= t USB > > drivers available for the ICD2 and no plan to introduce them. > There are two generations of ICD2 which differ in what chip they use > to handle the USB. Older units use a chip from cypress (don't recall > exactly what), newer units use a PIC (think it's an 18F4550).=20 > AIUI there is a 64-bit driver for the latter but not the former. Ah yes, my ICD2 has the Cypress USB chip. Thanks, Brent. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .