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SERVSWITCH™ WIZARD EXTENDER
5.6 Hot-Plugging PS/2 Mice and Mouse Ports into the Extender and
Re-Enabling Disconnected CPU PS/2 Mouse Ports
It is advisable to switch off the computer systems that are going to be connected to
the ServSwitch Wizard Extender before you install them. However, even if this is
not possible, most systems can be “hot-plugged” (connected to the Extender while
they are powered and operating); the PS/2 mouse-port malfunctions this usually
causes can often be overcome by using the Extender’s mouse-restoration functions.
(The keyboard connection will normally restore itself automatically.)
Let’s take this from the top: On many PCs, mouse movement will be lost if the
PS/2 mouse is unplugged and plugged back in while the PC is running. Mouse
movement can then be restored only by rebooting the PC. This is because the
mouse drivers only set up and enable the mouse when the PC is initially booted.
If you have powered down your Extender, or if you are attempting to hot-plug a
system into it, you might be able to restore lost mouse movement using the
Extender’s mouse-restoration functions. These should be used with caution,
because unpredictable results might occur if you select the wrong mouse type. If in
doubt, restore the mouse by rebooting the PC normally.
Standard PS/2 mouse data is formatted differently than IntelliMouse data, so
two reset functions are provided on the Extender. The type of data format
expected by the PC depends on the driver and the type of mouse that was
connected when the driver was booted. You can use the following table as a guide;
note that the mouse-reset functions predict the likely mouse resolution settings but
might not restore the speed or sensitivity of the mouse to exactly what they were
when the PC originally booted:
Type of mouse/ Driver type: Probable Suggested
system connected expected restoration
at bootup: data format: command:
PS/2 PS/2 only PS/2 PS/2—type [M] [6]
PS/2 IntelliMouse PS/2 PS/2—type [M] [6]
IntelliMouse PS/2 only PS/2 PS/2—type [M] [6]
IntelliMouse IntelliMouse IntelliMouse IntelliMouse—type [M] [7]