Dell Dimension 4500 - Manual (Page 49)

Boot Screen
Exit Screen
Computer turns on when power is restored.
Option Function
Silent
Boot Enabled (default) displays the DELL logo during POST. Disabled displays the normal POST messages.
Quick
Boot When set to Enabled, this option shortens POST by eliminating some tests. If set to Disabled (default), all POST tests occur.
The system setup program automatically checks the configuration of a Simple Boot Flag-compatible operating system at POST. Depending on its
configuration, the system setup program may automatically set this option to Enabled or Disabled.
Option Function
Exit Saving Changes Saves any changes you have made, exits the system setup program, and restarts the computer.
Exit Discarding
Changes Discards any changes you have made, exits the system setup program, and restarts the computer.