Advantech PCA-6153 Manual page 44

Boot Up NumLock Status
The default is "On".
On Keypad boots up to number keys.
Off Keypad boots up to arrow keys.
Boot Up System Speed
High Sets the speed to high
Low Sets the speed to low
Gate A20 option
Normal The A20 signal is controlled by the keyboard controller or chipset
hardware
Fast The A20 signal is controlled by Port 92 or chipset specific method.
Typematic Rate setting
The typematic rate determines the characters per second accepted
by the computer. Typematic Rate setting enables or disables the
typematic rate.
Typematic Rate (Char/Sec)
BIOS accepts the following input values (character/second) for
Typematic Rate: 6, 8, 10, 12, 15, 20, 24, 30.
Typematic Delay (msec)
When holding down a key, the Typematic Delay is the time
interval between the appearance of the first and second characters.
The input values (msec) for this category are: 250, 500, 750, 1000.
36 PCA-6153 User's Manual