Adding mice and bitpads

Changing the keyboard mouse resolution setting

The file /etc/conf/pack.d/kbmouse/space.c contains two parameters that affect the performance of the high-resolution keyboard mouse, kbm_resolution and kbm_poll. You can use a text editor to edit the space.c file and change the kbm_resolution parameter to adjust the resolution setting. The kbm_poll parameter, however, is automatically set by the mkdev mouse utility. Normally, kbm_poll should not be changed. Refer to ``Solving slow or no response from keyboard mice'' for more information about kbm_poll.

The kbm_resolution parameter determines how many reports, or counts, are made from the mouse to the mouse driver each time that you move the mouse one millimeter. Increasing the number of counts per millimeter increases the sensitivity of mouse performance.

The allowable values for kbm_resolution are:

High-resolution keyboard mouse

Parameter Counts/millimeter  
kbm_resolution=0 1  
kbm_resolution=1 3 (default)  
kbm_resolution=2 6  
kbm_resolution=3 12  
The parameters for a low-resolution keyboard mouse do not correspond to the same counts/millimeter parameters as for a high-resolution keyboard mouse. The allowable values for a regular keyboard mouse are:

Low-resolution keyboard mouse

Parameter Counts/millimeter  
kbm_resolution=0 1  
kbm_resolution=1 2  
kbm_resolution=2 4  
kbm_resolution=3 8 (default)  
The low-resolution default value of 3 specifies 12 counts/millimeter for a high-resolution keyboard mouse, which causes the mouse to behave too sensitively. Therefore, you must use the mkdev mouse utility when you add or remove a high-resolution mouse. You must relink the kernel and reboot the system if you want the new parameter values to take effect.

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© 2003 Caldera International, Inc. All rights reserved.
SCO OpenServer Release 5.0.7 -- 11 February 2003