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09-21-2020 09:45 AM
My Z1 won't power on, shows no signs of life. I think it may be the power button that has broken.
The relevant connector on the motherboard is labelled P5, two rows of 6 pins with one pin absent on the lower row.
I'd like to try shorting the power pins to verify if it is the power switch, but I can't find the pinout for this connector.
So I need to know the pinout of the P5 connector.
09-24-2020 08:57 PM - edited 09-24-2020 09:17 PM
Ian... If we were HP engineers we could give you the pinout. However, we're not and your workstation is not common to us. We get the heebie geebies giving advice about shorting pins on a motherboard we don't have experience with. I hope you understand.....
Having said that I believe your workstation is a contemporary of the ZX20 workstations and back in that era we had a wonderful HP engineer helping us, Dan_WGBU. He did have access to the schematics. For example, take a look at his info on THIS .
Do a google search for Z420 or Z620 pinout and I bet you'll find some hints that will help you....
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