I've tried upgrading from V.3 (firmware 2.51) to V.4 (firmware 2.67) without upgrading hardware.

I was not satisfied with the result and downgraded to V.3 (firmware 2.51) without any problems.

My problems turned out to be hardware not firmware and I sent my 800 back to M for a fix.

Geir

Geir

861v8, 504, 2*DSP8OOO.2, 4*DSP5200, F80, Barco CineVersum Blackwing two, DVDO VP50Pro, Sooloos Control-15 & Twinstore, Oppo-BDP103EU,
HD621, Dune HD Base 3.0, Apple TV, Mac Mini