MIC-3369 User’s Manual 54Gate A20 OptionTypematic Rate SettingKey strokes repeat at a rate determined by the keyboard controller. Whenenabled, the typematic rate and typematic delay can be selected. The set-tings are: Enabled/Disabled. Default is Disabled.Typematic Rate (Chars/Sec)Set the number of times a second to repeat a key stroke when you hold thekey down. The settings are: 6, 8, 10, 12, 15, 20, 24, 30.Typematic Delay (Msec)Sets the delay time after the key is held down before it begins to repeatthe keystroke. The settings are: 250, 500, 750, 1000.Security OptionThis category allows you to limit access to the system and Setup, or justto Setup.APIC Mode (Advanced Programmable Interrupt Controller)Default is Enabled.MPS Version Control for OSThe options includes 1.1 and 1.4. The default is 1.4Normal The A20 signal is controlled by keyboard con-troller or chipset hardware.Fast(default) The A20 signal is controlled by port 92 orchipset specific method.System The system will not boot and access to Setup will be denied if the correctpassword is not entered at the prompt.Setup(default) The system will boot, but access to Setup will be denied if the correct pass-word is not entered at the prompt.
