Advantech PCM-4386, Руководство пользователя, Страница: 42 / 110

PCM-4386 User Manual 30
4.4.6 Gate A20 Option
Normal: A pin in keyboard controller controls GateA20
Fast (Default): Chipest controls GateA20.
4.4.7 Typematic Rate Setting
The typematic rate is the rate key strokes repeat as determined by the key-
board controller. The commands are “Enabled” or “Disabled.” Enabling
allows the typematic rate and delay to be selected.
4.4.8 Typematic Rate (Chars/Sec)
BIOS accepts the following input values (characters/second) for type-
matic rate: 6, 8, 10, 12, 15, 20, 24, 30.
4.4.9 Typematic Delay (msec)
Typematic delay is the time interval between the appearance of two con-
secutive characters, when holding down a key. The input values for this
category are: 250, 500, 750, 1000 (msec).
4.4.10 Security Option
This setting determines whether the system will boot up if the
password is denied. Access to Setup is 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.
4.4.11 APIC Mode
This setting allows selecting an OS with greater than 64MB of RAM.
Commands are “Non-OS2” or “OS2.”
4.4.12 MPS Version Control For OS
This reports if an FDD is available for Windows 95. The commands are
“Yes” or “No.”
Note: To disable security, select “PASSWORD SET-
TING” 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.