Joseph Smith wrote: > Anyone know if USB ports have power feedback protection.
All the details are in the USB spec. IIRC electrical is a separate chapter. > What I mean by that is if I use the LPCflasher as a inline flasher > with a PLCC32 socket plug, I don't understand this. Do you mean a socket or a plug? > flash the chip Flash which chip? > and then power up the motherboard, I don't want the VCC's from the > motherboard to short out the flasher and or the USB port from the > host PC. Make sure GND is connected across and you should be OK. > The 3.3V regulator I am using has a internal diode so I am not so > worried about that. I am just worried about the power source 5V > USB. I could always use a Schottky diode that will only drop the > voltage by .6V, but I don't know if 4.4V will suffice??? Suffice for what? Look at the documentation for the regulator you're using to see what input voltage it needs. //Peter -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
