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Electronics How do you write a verilog code for interfacing a keyboard with the Xilinx Spartan 3 board

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Type of OS please,with keyboard type...accordionman

Posted on Feb 02, 2008

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Posted on Jan 02, 2017

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What is .sdf file


The .sdf or standard data file is used for storing data in a structured format; uses fields of fixed lengths to store values; can be imported and exported by various database and data analysis programs; commonly used for transferring data between different programs.

Sep 03, 2011 | Oracle 10g Database Standard (ODBSEONUPP0)

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Can't boot from CD. When I attempt to boot from the CD I get the screen that says "Boot from CD" and the flashing cursor unfortunatly my mouse and keyboard are not enabled so I can't tell it to...


Keyboards and mice that use the USB interface will require drivers to operate and therefore not work before Windows has loaded. If you can, run the CD from the "My Computer" window, but it sounds like you are having problems, so you should go somewhere with cheap or old electronics (frys electronics, Charity store) and get a keyboard or mouse with a P2 connector , which is recognizable as a round green or purple (sometimes not colored) connector with (I believe) 9 pins on it. Hopefully your computer has the connections for these on the back (likely above other connectors), these will work before the computer has loaded Windows. Hope this helps.

Mar 16, 2011 | Systemax Venture PC Desktop

2 Answers

F1 error code


Keypad/User Interface Failure

F then 2 flashes when in:
Diagnostics Test mode if a stuck key is detected.
Standby mode if there is a user interface mismatch.
DISPLAY (Saved Code) EXPLANATION AND RECOMMENDED PROCEDURE

Console and Indicators
This test is performed when any of the following situations occurs during the Console and Indicators Diagnostic Test:


None of the indicators light up No beep sound is heard Some buttons do not light indicators None of the indicators light up:
1. Perform steps in Accessing & Removing the Electronic Assemblies, and visually check that the P11 connector is inserted all the way into the machine/motor control.
2. Visually check that the user interface assembly is properly inserted in the console assembly
3. If both visual checks pass, replace the user interface assembly.
4. Plug in washer or reconnect power.
5. Activate the Console and Indicators Diagnostic Test mode to verify repair.
6. If indicators still do not light, the machine/ motor control has failed: Unplug washer or disconnect power. Replace the machine/motor control assembly.
Plug in washer or reconnect power. Activate the Console and Indicators Diagnostic Test mode to verify repair.

No beep sound is heard:
1. Perform steps in Accessing & Removing the Electronic Assemblies, and visually check that the P5 connector is inserted all the way into the machine/motor control. If visual check passes, replace the user interface assembly.
2. Plug in washer or reconnect power.
3. Activate the Console and Indicators Diagnostic Test mode to verify repair.
4. If replacing the user interface assembly failed: Unplug washer or disconnect power. Replace the machine/motor control assembly. Plug in washer or reconnect power. Activate the Console and Indicators Diagnostic Test mode to verify repair.


Some buttons do not light indicators:
1. Perform steps in Accessing & Removing the Electronic Assemblies, and visually check that the console electronics and housing assembly is properly inserted
into the front console. If visual check passes, replace the user interface assembly.
2. Plug in washer or reconnect power.
3. Activate the Console and Indicators Diagnostic Test mode to verify repair.


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Sep 18, 2010 | Whirlpool Cabrio WTW6600SBT Top Load...

1 Answer

How is error f28 and f171


F28 is a serial bus error from the CCU (Central Control Unit) to the MCU (Motor Control Unit).

All you need is some Electronics contact cleaner spray and a 1/4 inch socket to remove the top of the machine and the back of the machine.
The CCU is the computer looking box at the top front right hand corner.
Find connector M13, (has red marking on it and only 3 wires) disconnect it by pushing the retainer tab back and pulling gently on the connector.
Spray the contacts of the connector and computer with connector cleaner.
Then re-assemble connector.
The MCU is in the back lower left corner.
Find the connector with 3 wires and red mark, and remove this connector in the same way you did the other, spray it and re-install.
Put the back and top back on.

The F70 and F71 error codes on this model of washer indicates a communication problem between the user interface control board and the central control unit (main control board). These error codes can sometimes be caused by a power surge or glitch through the electrical lines. Try unplugging the washer to completely disconnect electrical power. Wait 1 minute and then plug the washer back in to the see if the fault code clears. If it does, then the washer may work normally.

If the code reappears, then you could have a wire harness connection problem, a failed user interface control board or a failed central control unit. I recommend calling a service technician to properly diagnose and repair this type of problem so that the correct component can be replaced.


Be sure your unit is plugged into a 3 prong grounded outlet as well.


F71 is a "heatbeat failure" which means that your front interface control board is shorted and will need to be replaced. it's actually fairly easy to replace and can definitely be done by yourself. To access the part, just pull the unit forward and remove the 3 screws coming in from the back of the top panel. Remove the top panel by pulling it back, up, and off. Then remove all the screws going into the top of the control panel. Remove the dispenser drawer and remove the screws coming in through the dispenser. Remove the screws coming from the inside of the dryer going forward into the control panel, then remove the control panel (it's just clipped in on the bottom. After that you can disconnect the wire harnesses to the front interface control board and replace that part.


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Feb 02, 2010 | Kenmore Elite HE3 Steam 8674 Dryer

1 Answer

Im trying to reinstall a replacement keyboard on my Acer Aspire 5610z laptop. I think the part Im having trouble with is the electronic piece that ??slides?? back into the slot? Any help would be greatly...


Good day sir. Hi, the port that receives the keyboard is the PS2 slot, if this slot gets damage, you have no choice but to replace that slot, and electronics inside, which mean replacement of the board, You still has an option to use the USB port, you can get a Keyboard with USB interface.

Nov 16, 2009 | Computers & Internet

1 Answer

Spartan 12v solenoid terminal polarity


There are about 3 dozen series of the Spartan solenoid, can you be more specific to the model or series please?

Feb 22, 2009 | Electrical Supplies

2 Answers

Kenmore Oasis Dryer - CF codes 01, 02, 03


Remove the top console (plastic control panel) of the dryer ( 3 screws on the back, tip and slide forward). Inside the console or taped under it should be the tech sheet for the dryer (unless a previous service person did not put it back).

Read over the tech sheet. In there there will be a section on how to initiate the computer's diagnostic routine. This is typically activated by pressing and holding any button on the console (other than the stop button) for 2-5 seconds, seven times in a row. When activated all the LEDs (lights) on the console illuminate, and then the console displays the actual “F” error/failure codes. In many cases with these Oasis Dryers (model 110.67082600) and similar models the typical one which will be displayed will be F-02 code (even if you got CF 01, 02 and/or 03 before activating the diagnostic routine. F-02 indicates that a button (or possibly several) on the front (user interface) console is simply stuck. If this is the code you get, simply press each of the buttons on the main console and to find which button is indeed sticking (i.e. the one that doesn't work will be the culprit). Save the Stop button for last as that button exits the diagnostic mode, if it is not the one that is sticking.

The tech sheet (which again shold have been right inside the console housing) explains step by step how to remove the console interface board from the console housing (3 screws and 3 plastic clips). Sometimes simply plaing with the button on the board will get it unstuck, but a simple spray with electronics contact cleaner (which can be purchased at any Radio Shack or other electronics parts store) into the base of the stuck switch on the board, and pressing it quickly a few times will usually do the trick. Once the button is unstuck, no more error code, and the dryer will work fine again. If you can't seem to get the button unstuck (or if it is really damaged), you can either replce the button switch yourself (if you have the electronics and soldering know-how), or buy a new console board from one of the many online parts houses for around $100.

Again you will need to locate the tech sheet inside the console housing or order one from Whirlpool or Sears for you model for under $10 if yours is missing. Some models vary in what each code means so you will need the tech sheet to be sure.

Best of Luck Everone...

Oct 08, 2007 | Dryers

1 Answer

Whirlpool Duet Dryer GEW9250P (electric)


Here is a list of possible causes. NONE OF THE LEDS LIGHT... Check to make sure that ribbon connectors P3 and P4 are inserted all the way into the machine control electronics board. (To access the machine control, pull the dryer away from the wall and remove the three screws from the top panel on the back. Slide the top panel rearward about 1/2" and lift. The machine control is on the left hand side. P3 and P4 are the "ribbon" connectors going into the board.) A PARTICULAR GROUP OF LEDS DOES NOT LIGHT... A group or combination of LEDs share a common electronic connection. If this connection is open, all of the LEDs in the group will be disabled. If this occurs, replace the entire console electronics and housing. ONE LED DOES NOT LIGHT... Press the button associated with the LED several times. If the LED does not light, the LED has failed. Replace the entire console electronics and housing. NO BEEP SOUNDS... If the associated LEDs do light up, the beeper circuit may have failed on the machine control electronics board. NO DRYER FUNCTION IS ACTIVATED WHEN A PARTICULAR PUSHBUTTON IS PRESSED... If the associated LEDs do light up, the machine control electronics board may have failed. AN E3 ERROR CODE IS DISPLAYED... An E3 error code means that there is a user interface or a software mismatch. It can also mean that a component on the console electronics,or the machine control electronics board has failed. Hope this little tutorial gets you where you need to go. Let us know how it turns out, will ya?

Sep 13, 2007 | Whirlpool GEW9250P Electric Dryer

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