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  • Author Author: pinkhairedcat
  • Date Created: 3 Feb 2018 5:49 AM Date Created
  • Views 1272 views
  • Likes 4 likes
  • Comments 6 comments
  • high voltage
  • power supply
  • student
  • fpga
  • college
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How many DE0 boards can I break?

pinkhairedcat
pinkhairedcat
3 Feb 2018

So it's been a while since I had time to post anything. Classes keep me pretty busy. since I last posted I wrote a program to do Ohm's law calculations, mostly just for fun, drew the circuit for a 4bit adder and then wired a 4bit adder (with some help of my lab partner finishing the last half), started building a lab bench power supply from an ATX  power supply, determined my DE0-CV was faulty, Got a new DE0, determined that one was faulty too and finally got a working DE0 (before me there had only been one faulty board throughout the entire program's history using them) and now I've got a IBM ThinkPad t42 with a supervisor password and no one knows the password so looks like I will be learning about I2C and writing to an eeprom to overwrite the supervisor password. IBM took security to heart when making these things. It's not easy to reset the supervisor password. unfortunately till I change the password the t42 is a brick. In the past IBM/Lenovo could repair the laptop if you ever locked yourself out, but I doubt they service laptops from over a decade ago lol.

 

Lots of learning and projects going on. my lab group is a week ahead as they changed the schedule around after we had already finished the 4 bit adder. Seems most other groups weren't having as much luck as my group did. unfortunately the only real projects I'm working on are the eeprom hacking and the ATX lab power supply and one uses methods that can break into the bios of any Lenovo ThinkPad laptop from the last decade and the other is just extremely dangerous if you aren't experienced so I won't go into any detail on those projects. I do hope to do some more conventional (and safe) projects soon so hopefully I can talk about those when I get to them.

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Top Comments

  • pinkhairedcat
    pinkhairedcat over 7 years ago in reply to genebren +1
    Seems like some kind of odd manufacturing error. When I told quartus to program the board with the provided sof file from class some of the output LEDs were pulled high while others were pulled low. Nothing…
  • beacon_dave
    beacon_dave over 7 years ago in reply to jw0752 +1
    "This document introduces Intel’s DE-series Development and Education Boards..." ftp://ftp.altera.com/up/pub/Intel_Material/16.1/Tutorials/Getting_Started_with_DE-series_boards.pdf
  • beacon_dave
    beacon_dave over 7 years ago in reply to jw0752

    "This document introduces Intel’s DE-series Development and Education Boards..."

    ftp://ftp.altera.com/up/pub/Intel_Material/16.1/Tutorials/Getting_Started_with_DE-series_boards.pdf

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  • jw0752
    jw0752 over 7 years ago in reply to pinkhairedcat

    Thanks,

    I will log it as you describe. If you get any more information let us know.

    John

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  • pinkhairedcat
    pinkhairedcat over 7 years ago in reply to genebren

    Seems like some kind of odd manufacturing error. When I told quartus to program the board with the provided sof file from class some of the output LEDs were pulled high while others were pulled low. Nothing is supposed to be pulled low until I pull it low by attaching it to the circuit. And I managed to get 2 boards like that before  the 3rd finally worked.

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  • pinkhairedcat
    pinkhairedcat over 7 years ago in reply to jw0752

    Hello,

     

    I'm not totally sure what DE0 means. It likely means Development and Education 0 (0 indicating which model). I can't be sure though as i cant find a definite answer. The full name is the DE0-CV (CV meaning Cyclone V which is the actual fpga chip)

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  • jw0752
    jw0752 over 7 years ago

    Hi,

     

    Since I first came on the forum I have been collecting and documenting Initialisms. I do not have "DEO" in my list so I would appreciate it if you would expand it for me.

     

    Thanks John

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