User`s guide

System board options ( Continued)
Option
Settings
Description
Onboard Enabled*
Set to Enabled if you have
Mouse Control
Disabled
connected a mouse to the
built-in mouse port; set to
Disabled if you are not using a
mouse (frees hardware
interrupt lRQ12) or if you are
using a mouse controller
installed on an option card
Speaker Enabled*
Control Disabled
Set to Enabled to turn on the
computer’s built-in speaker;
set to Disabled to turn off the
speaker (cannot be turned on
by application software if
Disabled)
CPU Speed
FAST*
SLOW
Select FAST to set the
computer’s processor to
operate at its maximum
speed; select SLOW to set the
processor to operate at a
simulated 8 MHz speed to
accommodate old
application programs that
may require it
NumLock Boot
ON at Boot
Select ON at Boot to enable
State
OFF at Boot*
Num Lock mode whenever
you turn on or reset your
computer; select OFF at Boot
to disable it
I/O Recovery
Time
Standard
Enhanced*
Select Enhanced to set fast
I/O recovery times; set to
Standard if you have trouble
with an application program
or option card that is running
in Enhanced mode
Posted I/O
Writes
Enabled *
Disabled
Set to Enabled to improve
performance by posting I/O
writes to the EISA bus; set to
Disabled if any of your option
cards do not support this
feature
Running the EISA Configuration Utility
3-17