David Eckard wrote:
> bokeny{at}earthlink.net wrote:
> 
> 
>>I am trying use a PS2 mouse with a PS2 to a 9-pin serial adapter and it is
>>not recognized by ThinkPad A22e.  I tried two sets of mouse/adapter without
>>luck.  I cannot find a mouse with nine pin serial connection.  Is this a
>>known problem with this model of ThinkPad?  I have been hunting for an
>>answer for hours.  Anyone knows a solution?  (Mouse not seen when I boot to
>>DOS or Windows either - only the 'trackpoint'.)  My operating system is eCS
>>v1.2.
>>
>>TIA.
>>
>>
>> 
>>
> 
> I have used the USB port on an A22m to run a mouse.  That was with W2K
> 
> Have you double checked the serial port to be sure it is turned on?
> Have you double checked the serial drivers during boot to see if they 
> are working?
> 

Hi Zoltan, Hi David,

   Not all mice are both PS2 and serial capable. Logitech used to make a 
range that were. Simply taking a PS/2 mouse and plugging it into a PS/2 
to DB9 adapter will ONLY work if the mouse is cabable of both interfaces 
as all the cable is doing is using different wires. There is no logic 
chips in the cable.

   The current Thinkpad's expect the mouse to be plugged into the USB 
port. There is no longer a PS2 port on most of them. I think this is 
what the manufacturers call "legacy free". I surprised the A22 even has 
a serial port, they are often only available when the Thinkpad is in a 
docking station. If you have enabled the serial port in CMOS and if you 
were to find a real serial mouse, or you are sure the PS2 mouse you have 
is "serial capable", check the mouse.sys line in config.sys it needs to 
have SERIAL=COM1 added to the end of it to work with serial mice. i.e 
DEVICE=C:\OS2\BOOT\MOUSE.SYS SERIAL=COM1

Cheers/2

Ed.


 
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