USB Enhanced and Integrated Ethernet Service Manual
A-4 Dell OptiPlex GX
pro
 Systems Service Manual
Reserved Memory Designates a region of system board memory 
that can be supplied by an expansion card.
This feature should not be enabled unless an 
expansion card that requires special addressing 
is installed.
Fast Video BIOS Enables shadowing and caching the BIOS for a 
video card installed in an expansion slot.
NOTE: Some video cards are not designed to 
be shadowed or cached. If video problems 
occur, try setting Fast Video BIOS to Off.
CPU Speed Indicates processor speed at which system 
boots—the processor’s rated speed or a slower 
compatibility speed.
Num Lock Determines whether keyboard’s Num Lock 
mode is activated.
Keyboard Errors Enables or disables reporting of keyboard 
errors during POST.
System Password Displays current status of system’s password 
security feature. Also used to assign and verify 
a new password.
Password Status Provides an extra measure of system security 
by letting you set the system password to 
Locked or Unlocked.
Boot Sequence Determines whether system boots from dis-
kette (if present) or hard-disk drive.
Setup Password Restricts access to System Setup program.
Table A-1. System Setup Categories
 (continued)
Category
Function










