Pentium SQ578, User Manual

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SQ578
4-10
4.4.9 Primary Display
This option configures the type of monitor attached to the computer. The settings are
Mono, CGA40x25, CGA80x25, VGA/EGA, or Absent . The default settings are
VGA/EGA.
4.4.10 Password Check
This option enables password checking every time the system boots or when you run
AMIBIOS Setup. If
Always is chosen, a user password prompt appears every time the
computer is turned on. If Setup is chosen, the password prompt appears if AMIBIOS is
executed. See the Advanced Setup chapter for instructions on changing a password. The
defaults are
Setup.
4.4.11 Boot To OS/2
Set this option to Enabled if running OS/2 operating system and using more than 64
MB of system memory on the motherboard. The settings are Enabled or Disabled . The
default settings are Disabled.
4.4.12 External Cache
This option sets the type of caching algorithm used for the L2 secondary (external)
cache memory. The settings are
WriteBack, WriteThru, or Disabled. The default setting
is WriteBack .
When set to Enabled, the contents of the F0000h system memory segment can be read
from or written to cache memory. The contents of this memory segment are always
copied from the BIOS ROM to system RAM for faster execution. The settings are
Enabled or Disabled. The default setting is Enabled .
4.4.13 C000,16K Shadow & C400,16K Shadow
These options specify how the 32 KB of video ROM at C0000h is treated. The settings
are:
Setting Description
Disabled
The contents of the video ROM are not copied to RAM.
Enabled
The contents of the video ROM area from C0000h - C7FFFh
are copied (shadowed) from ROM to RAM for faster
execution.
Cached
The contents of the video ROM area from C0000h - C7FFFh
are copied from ROM to RAM and can be written to or read
from cache memory.