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Index > Main > May I ask a question about PS2 mouse/keyboard problem?

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Lishen



Joined: 24 May 2005
Posts: 2
Location: Taiwan
Lishen
Hi,

I want to ask a question about keyboard BIOS problem. I come here at first time. I hope everybody can give advice about my question, thanks!

I need to understand PS2 mouse protocol, especial for intellimouse and has one or two wheel. But I search IBM AT Technique Reference keyword, I cannot find any document about this. Because PS2 interface published by IBM, I need to know how the PS2 work? Any one has any idea?

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Post 24 May 2005, 12:36
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deltre



Joined: 17 Apr 2005
Posts: 12
Location: Netherlands
deltre
bubach posted a link to some docs about the mouse in another thread, including ps/2 infos:

http://bos.asmhackers.net/docs/mouse/

http://board.flatassembler.net/topic.php?t=3233
Post 24 May 2005, 12:56
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SFeLi



Joined: 03 Nov 2004
Posts: 140
Location: Severodvinsk, Russia
SFeLi
Post 24 May 2005, 14:50
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THEWizardGenius



Joined: 14 Jan 2005
Posts: 382
Location: California, USA
THEWizardGenius
http://www.win.tue.nl/~aeb/linux/kbd/scancodes-12.html

This one I've found useful. Of course, if you're under DOS with a mouse driver, you just use INT 33h. But for the PS/2, Intellimouse, and other extensions, try this document. Another one that's been especially useful for me is www.Computer-Engineering.org. For the mouse, use this:

http://www.computer-engineering.org/ps2mouse/

There is also an article about the PS/2 keyboard protocol too, if you need that.

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Post 24 May 2005, 15:05
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Lishen



Joined: 24 May 2005
Posts: 2
Location: Taiwan
Lishen
Thanks,

But I have many confusion in the protocol. For example, the default is stream mode, I doubt that what time the ps/2 mouse will change the mode to echo mode or reset mode?

Is there any utilities can see the ps/2 mouse status or data or others?
I feel that ps/2 protocol is hard to read. Have any tools to understand and test the protocol?

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I am a tenderfoot, please give me advice more. Thank you!
Post 25 May 2005, 03:43
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