stilton
I'd forgotten I'd posted that photo, but now that I've looked at it again, it is indeed the bottom (red) edge of the V
MO failure flag that you saw.
A thread you started nearly 7 years ago has now reached 100 pages, generated nearly 2,000 replies and been read roughly 900,000 times.
Who knew a question about an APU would start all that!
Kudos