Specifications
25
CHAPTER 3: Installation and Preconfiguration
Other concerns:
• The ServSwitch Affinity emulates several types of mice for the attached
computers, but the actual mice used at your user stations must be the same
type as the stations’ keyboards: Sun or USB mice with Sun keyboards or PS/2
or USB mice (not RS-232 mice) with PC type keyboards. For more details, see
Section 4.3.
• Because the Affinity currently only supports “stream mode” (continuous)
mouse data, but older IBM ThinkPad models have to handle mouse data in
“prompt mode” (burst-on-request), don’t try to attach any older ThinkPad
computers to the Affinity, either directly or through docking stations. Some
newer models should work with the Affinity, but there’s no good way to tell
other than by trial and error. (You can’t damage your equipment by trying—if
you have the wrong kind of ThinkPad, it just won’t work.)
• If you’re using a PC mouse as the common mouse, make sure that the IBM PC
CPUs use only the generic Microsoft
®
mouse driver MOUSE.COM, version 4.0 at
least and preferably version 9.01 or higher. If you’re running Windows
®
3.x,
this driver must be loaded in Windows as well as in the base operating system.
Do not, on any of your switched IBM PC CPUs, run any programs or TSRs, or
enter any DOS commands, that change the settings of the mouse port after the
driver has been loaded.
• When you first switch between CPUs, especially CPUs of different platforms,
you might notice wide variations in mouse sensitivity (how far or fast the
mouse moves) from CPU to CPU. This is normal. The IBM, Apple, and Sun
platforms all have ways to adjust the sensitivity of the mouse. (This is usually
handled through some kind of software “control panel,” but the specifics vary
depending on the operating system and—in IBM applications—on the mouse
driver.) To optimize mouse movement, adjust the sensitivity on each CPU
according to your individual preference.
• Although the ServSwitch Affinity resists minor transient surges that can be
caused by rapidly cycling power, certain keyboards are sensitive to such
transients. Because your shared keyboard’s power is provided by the Affinity,
wait at least three seconds after powering down the Affinity before powering it
up again, or the keyboard might not reset correctly.
• The ServSwitch Affinity is designed to support IBM PC compatible 101-, 102-,
104-, or 105-key keyboards and IBM PC keyboard-scan modes 1, 2, and 3; it’s
also designed to work with PC-type CPUs/keyboards that use 5-pin DIN or
6-pin mini-DIN keyboard connectors. The Affinity will try to pass through
keyboard codes that it doesn’t recognize without altering them, which allows it