Usb port available amp

I have an HP Envy m6-k025dx. What is the avail amps from each USB port, 2.0, 3.0, and the charging 3.0?
Does the same DC power supply power all three ports?
I am asking because I have an Un-powered port expander . ON my previous HP laptop the USB port's power was blown because I had too many things plugged in, ( from 2005)
I could not find any USB power avail amp specs in the user manual.
Thank You

David Crabtree1...
When booted in 10.4.x launch Activity Monitor and see if anything "Epson" related, is in the list. (Applications-Utilities folder)
BTW- Command-1 (one) will Show Activity Monitor as a Text-List view or just go to the Monitors Menu and click on it.
If there is a Epson(process?).app running it may have the printer already tied up and may not let Chooser stake a claim to it because it sees the USB port busy. It may work after you quit or force quit anything related to your printer.
Don't forget that the printer may need a 30 second power off / reset anytime there some print bug. This is the most common issue with printers.
...Ron

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    I have a B&amp;W g3 that has been upgraded to a 600mhz G4. It has been workin g well for several years now. Yesterday I booted into OS X 10.4.11 and it had a kernel panic. I tried restarting to no avail. Everything powers on, the fans the optical drive and the hddrives. The power button is green but there is no chime and the screen is black. There is no power to the USB ports so I can't use the keyboard to flash PRAM or boot into open firmware. I've tried the CUDA and taking out the battery. Any other suggestions would be appreciated.
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    I couldn't resolve that situation, so I got another one at a local thrift store and swapped in all my pci cards, ram and hdd from the old one. It was working awsome until yesterday. Now the same situation as before. I know what I did wrong this time, but don't know how to resolve it. What happened was I went into start up disk in preferences and chose Mac OS X hdd as start up disk and restarted. Before it was done booting I shut it down with the power button on the front and now this. This time though it does chime when I turn it on. What should I do? I cannot use keyboard commands as there is no power to the USB ports.

    Do you have the original bootable Mac OS CD or DVD that came with the machine?  I have no experience with the Blue&White G3, but had a beige desktop model a long time ago.  Whenever I had some strange boot issues with OS 9 or OS X I was usually able to boot from the original OS 8 CD that shipped with the machine.  I could then run  disc utility to verify and repair the main internal drive and then try to reboot.
    Booting issues are tricky, because you don't really know if you have a hardware or software problem, unless you have another identical working machine and can swap out parts to rule out what you know is good and eventually isolate what is bad.  Going back to the original OS on the optical media and the stock machine with no third-party expansion cards is a good baseline configuation to start out from. 

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