HP21 problem

[vk6ti]

Yes it does always start at 00000000

And no, I never plug a Woodstock into the chargers, I have always relied in the batteries
For power . I know it seems a bit "coincidental" as the count rate is close to mains frequency, and who knows How the previous owner treated it?
I will try Marks recommendation , if that doens't work
I could keep it that way for novelty use , as it is only going in a HP display
The new ACT chip sounds good Bernard, I will see what I need when I go through all calculators
As I would only need 1working example of each

Cheers all
Ray