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Managing The PC BIOS
Gate A20 Option
Gate A20 is a signal that gives the system access to addresses higher than
A19. If you select Fast the chipset will control this signal. If you select normal
a pin in the keyboard controller will control the signal.
Typematic Rate Setting
The keyboard controller determines the rate at which the keystrokes from the
keyboard are repeated. If you enable this option then the typematic rate and
the typematic delay can be selected.
Typematic Rate
This is the rate a character will repeat itself on the screen when you hold down
a key.
Typematic Delay
This is the delay time (Msec) before the repetition of characters starts.
Security Option
This field allows you to select the "Setup" or "System" security option. It works
concurrently with the " Set Supervisor Password" in the main menu.
When the "Setup" option is selected, you will be prompted to enter your
"Password" before you can start the BIOS CMOS Setup Utility. When you select
"System" option, you will be prompted to enter your password in order to load
the Operating System.
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OS Select For DRAM > 64MB
Only select OS2 if you are running an OS/2 operating system with a RAM
greater than 64 Mb. Otherwise, for all other operating systems, use the default
setting "Non-OS2".
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Page 30
The 845G MAINBOARD Series
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