HP-71B Startup Time - ROM Differences

[Sylvain Cote]

(09-10-2014 01:13 AM)rprosperi Wrote:  Regardless of the initial casue, a key thing I don't understand is why does the amount of time i wait after shutdown affect the next startup behavior? Do things really happen in a powered off 71 several hours after shutdown?

The slow wakeup could be cause by a loop peripheral.
I would suggest to do a test with a loopback cable connected to the HP-IL interface and see if you have the same behaviour.
If not, then it's coming from a loop peripheral and I would redo the test with each peripheral one by one.
Sylvain