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3.4.13 Gate A20 Option
This field configures how the gate A20 is handled. The gate A20 is a device used to address
memory above 1 Mbytes. Initially, the gate A20 was handled via a pin on the keyboard. Today,
while keyboards still provide this support, it is more common, and much faster, for the system
chipset to provide support for gate A20.
Options
Description
Fast (*)
GateA20 signal supported by core logic
Normal
GateA20 signal supported by keyboard controller
3.4.14 Typematic Rate Setting
This field configures how the keyboard is handled. When enabled, the Typematic Rate (Chars/Sec)
and Typematic Delay (Msec) fields will be available.
Options
Enabled
Disabled (*)
3.4.15 Typematic Rate (Chars/Sec)
This field specifies how many characters will be prompted in one second when a key is pressed
continuously.
Options
6 (*), 8, 10, 12, 15, 20, 24, 30
3.4.16 Typematic Delay (Msec)
This field specifies the delay between when a key was first pressed and when the acceleration
begins.
Options
250 msec (*), 500 msec, 750 msec, 1000 msec
3.4.17 Security Option
This field configures how the system security is handled. It works conjunction with SETTING
SUPERVISOR / USER PASSWORD page to control the security level of the system.
Options
Description
Setup (*)
System need password to enter BIOS setup program
System
System need password to boot
3.4.18 PS/2 mouse function control
This field configures PS/2 mouse function .
Options
Enabled (*)
Disabled
