I have the Carnetix P2140 (1.8.3) connected to my PC, and use the USB connection with the Psumoni software to shut down. I've set the soft jumpers to Standby, but it still shuts down. I can put my PC in standby by pressing the power button, by selecting standby from the start menu or by using standby from within RoadRunner. The PC starts automatically when power is restored. Is there something in the setup that I am missing??? I would love to be able to use Standby instead of shutting down and going through a cold boot.
All power being cut isn't necessarily a shut down, you should hook up the USB connector from the 2140 to another computer and monitor it's behavior. I'm thinking you changed the soft jumpers but didn't hit the update button and it's still set to turn the power off.
If you're computer isn't going to standby mode then that's your issue. Check your power Option settings in the control panel on your PC. Go to the advanced tab and see what it's set to do when the power button is pressed. It should be set to stand by.
If the PSU goes into stand by mode, but your computer isn't in stand by mode it's drawing more current than the PSU will allow. And it cuts the power to preserve your battery.
Sounds like something isn't wired right. The 2140 is supposed to send a signal to your PC.
It does turn on automatically though, at least that's what I gathered from your first post.