Can anyone offer me some guidance? I purchased a 570, installed my ethernet card, established serial comms, tried to download the ethernet code, and realized I needed to upgrade the firmware.  The following disaster occurred: Visilogic crashed while downloading the OS to a brand new V570 at 57.6K baud.  This unit is a touch-screen without keyboards. The unit will not power up. There is no beeping, It is dead. I tried power cycle and holding screen for 5 seconds and tappi