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Starting up and interacting with Beagleboard

Suhas Cadambi
Prodigy 10 points

I'm a newcomer to the TI community, and have just started working on the Beagleboard. I'm currently using a B5 revision of the board, purchased directly from TI. My short-term goal is to be able to set up and  run Angstrom on the Beagleboard. 

When I power-on the board using an external 5V source, the three power LEDs are turned on as expected, but when I try to serially interact with the board from a PC console (using the 11520 8N1 settings), the bootloader does not appear to have run, and there is no response visible on the screen. I tried connecting to the PC from the board's RS232 using a UART cable, as well as a null modem cable, but neither seem to be working although the cables appear to be fine. I'm guessing it might be a problem with one of the board components. 

Do you have any suggestions on where the problem might lie?

 

Cheers,

Suhas

  • TI__Mastermind 41665 points

    The Beagle out of the box should have boot loaders in the flash and should run them when powered on so you should see activity on the UART terminal. One thing you can try to verify your terminal would be to hold the USER S1 button down when powering on the board, this should generate a '40T' message on the UART terminal program from the ROM boot loader on the chip, if you don't see this message you may want to look further into the physical cable and the host terminal configuration. If you do see the 40T than you may need to go through the Beagle Board recovery process.

    I don't do much work with the Beagle but in general the most problems I have had getting a terminal up and running related to the cable itself, since the Beagle uses a little IDC10 connector that is unkeyed (so it could be plugged in backwards) and a bit troublesome to find. 

    Additionally you may want to take a look through the Beagle Board Google Groups page, or post there for further assistance, there are a lot more Beagle users watching that community.