IBM PC 300GL Types 6275, Using Manual

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Important Information for Mouse Users
This information applies only to those who have a mouse connected
to the mouse port; a serial mouse is not affected by the Off mode.
The Off mode prevents the computer from detecting that a mouse is
attached. Because the mouse device driver will not be loaded
automatically through the CONFIG.SYS or AUTOEXEC.BAT files in
this mode, an error message that the mouse port is disabled will
appear and the computer will halt. To enable the operating system to
load without displaying the error message, read the information
below that applies to your operating system.
If you are using OS/2, do one of the following before enabling the
Off mode:
Ÿ
Set the CONFIG.SYS file so the operating system does not stop on
a device-driver error. To do this, put the command
"PAUSEONERROR=NO" near the top of the CONFIG.SYS file.
or
Ÿ
Remove the mouse driver statement from the CONFIG.SYS file.
If you are using Windows 95, do the following:
Ÿ
When the computer is started and the mouse port disabled error
message appears, enter either your power-on or administrator
password to enable the keyboard. Then use the keyboard to put
a checkmark in the "Do not display this message in the future"
checkbox.
Once the operating system starts in the Off mode, the keyboard will
remain locked. If you have a mouse connected to the mouse port, it also
will remain locked.
Although you are not prompted to type a password in this mode, you
can type either your power-on or administrator password anytime after
POST has completed, even after the operating system has loaded. If you
type a password, the keyboard will unlock, but the mouse connected to
the mouse port will remain disabled.
The Off mode is useful for network servers and other computers that
operate unattended. If a power failure occurs, the computer will
automatically restart and resume operating in this mode when power is
restored, without operator intervention.
54
Using Your Personal Computer