Advantech PCA-6180 Series, Руководство пользователя

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PCA-6180 User’s Manual
3.4.9 Gate A20 Option
Normal The A20 signal is controlled by the keyboard
controller.
Fast (Default) The A20 signal is controlled by the chipset.
3.4.10 Typematic Rate Setting
The typematic rate is the rate key strokes repeat as determined by the
keyboard controller. The commands are “Enabled” or “Disabled.”
Enabling allows the typematic rate and delay to be selected.
3.4.11 Typematic Rate (Chars/Sec)
BIOS accepts the following input values (characters/second) for
typematic rate: 6, 8, 10, 12, 15, 20, 24, 30.
3.4.12 Typematic Delay (msec)
Typematic delay is the time interval between the appearance of two
consecutive characters, when holding down a key. The input values
for this category are: 250, 500, 750, 1000 (msec).
3.4.13 Security Option
This setting determines whether the system will boot up if the
password is denied. Access to Setup is, however, always limited.
System The system will not boot, and access to Setup will be
denied if the correct password is not entered at the prompt.
Setup The system will boot, but access to Setup will be denied if
the correct password is not entered at the prompt.
Note: To disable security, select “PASSWORD SETTING”
in the main menu. At this point, you will be asked to
enter a password. Simply press <Enter> to disable
security. When security is disabled, the system will
boot, and you can enter Setup freely.