Rose Electronics ClassView - Manual (Page 20)

16
CLASSVIEW INSTALLATION AND OPERATIONS MANUAL
Null command
This command is used to re-synchronize an out-of-sync PS/2 mouse. Such
a condition can result due to transients, spurious power-up effects, or
plugging and unplugging of cables with live equipment. The command may
need to be entered once or twice, depending if the mouse is out-of-sync by
one or two bytes. Microsoft mouse driver version 9.01 corrects this
inadequacy of previous drivers and renders this command unnecessary. At
publishing time, it is believed this mouse driver is only available for DOS and
Window. To issue the command, press and release the left Control Key,
they type "N".
Rom identification command
This command is used to identify the revision level of ClassView firmware
currently installed. Before entering this command, your currently selected
CPU should be at a command prompt, so that when the ClassView sends the
ROM revision level that the results will be displayed. To issue the command,
press and release the left Control Key, then type "I", ClassView will send
back its current firmware revision level, in the format majorlevel, minorlevel.
Reset command
This command is used to re-boot the mouse and keyboard without removing
power from the ClassView. This is most useful to reset a PS/2 mouse which
has been unplugged and plugged back in. This command is also useful to
enable mouse data to be sent to a CPU which has not enabled the mouse.
This may be the case if the ClassView was not connected or powered off
after a CPU was booted up. To issue the command, press and release the
left Control Key, then type "R". This command should not be issued to a
CPU which has a PS/2 muse connected, but no mouse driver is loaded,
since many CPUs will crash if you send them unexpected mouse data.