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Old 20-08-2005, 07:05 PM   #10
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Quote:
Originally posted by Guest@Aug 20 2005, 05:48 AM
"In my opinion it's a software issue. Why? because on my keyboard some oilder DOS game have this problem (such as Mortal combat 2 where you can't opress more than 2 key at same time or Super Karts also have some problems). I also noticed that in need for speed 1,2, 3 and 4. when i press the "H" key (horn) at steer left at same time the wehicle wont turn. However if i change the horn key to let's say "Q" it all works perfect. Some keys just don't go well together in some software.

Another proof thta this issue is software related is that when i play Half life or new Windows games (Medal of honour, Return to Castle Wolfenstein etc.), or some old ones, such as Space Federation, i don't have this problem. i can press a lot of keys at same time yet the keybord works fine. for example in Half life i press jump+crouch+reload+forward+slide and it all works without any problem.

therefore it is clearly a software issue known as Key-jamming. often two keys have same or at least simmilar address. so when you press them at same time they produce a beep in computer..."

Here is a way to see if it is a keyboard problem or a software problem.

If you have a real IBM-standard (Model M) keyboard (or one that follows its hardware design) the following test will work to demonstrate that your keyboard is working properly. If you don't have a keyboard that follows the standard, it will fail. We are testing for the ability to support 'n-Key rollover"...

Open a "Command Prompt" in WinNT/2K/XP or a "Dos Window" in Win9x/ME or boot to a "C:\>" prompt in actual MS-DOS. Now at the "Dos" prompt conduct the following test.

Press the "S", "D", "F", "J", "K", "L" keys down at the same time, then release at the same time. If you have an keyboard which follows the original IBM specification keyboard you will see the six characters 'SDFJKL' displayed in some random order (like 'dfjkls')at the "Dos" prompt. The order is not important, the fact that there are all six different characters from the above listed test keys are displayed is what is important. If you only get three or four of the six keys depressed to show in the screen then your keyboard is not capable of "n-Key rollover" and you will have problems in certain situations in certain games/applications.


Best of luck...
                       
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