I have had a tech. guy from my local store to look at it, he even had a BV6-26 with him to rule out SW problems - but no luck :-(
My SW config:
BV7-40 MK III: AP SW03.50a, IOP SW23.00a, option settings 1
HDR2: AP SW 3.5, AP BOOT 1.1, IOP SW 22.0
MX4200: AP SW 2.51, IOP SW 22.0, Option settings 6
/Frank