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HP 9100A/B: Effects of AC power interruption?
12-21-2024, 02:45 AM (This post was last modified: 12-21-2024 02:46 AM by John Garza (3665).)
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RE: HP 9100A/B: Effects of AC power interruption?
The memory and entire machine state are preserved.

I have a 9100B and I tested this by writing a simple counting program that paused the incremented number to the display. I switched it off, counted to ten, and switched it back on. The numbers kept incrementing on the screen after power was restored. Not even a hiccup.

Also, I recall reading in the manual, that if the machine appears locked up on power on, to hit the STOP key, as the machine may be executing a program. So this capability appears to be known to HP.

Still, my gut tells me this is iffy as some parts may achieve 'wake-up-voltage' a split second before others, which could do god knows what to a running program. So I play it safe and only use this as a novelty.

-J
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RE: HP 9100A/B: Effects of AC power interruption? - John Garza (3665) - 12-21-2024 02:45 AM



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