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4. BIOS Setup
4.4 Advanced CMOS Setup Menu
This screen (Figure 3) contains industry-standard options additional to the core PC AT BIOS.
This section describes all fields offered by AMI Software in this screen. Some fields may
vary from those in your Setup program. Your system board designer may omit or modify
some fields.
AMIBIOS SETUP -Advanced CMOS Setup
© 1999 American Megatrends, Inc. All Rights Reserved
Move to items
Enter Sub-
Menu
Modify values
CPU Ratio Selection
1
St
Boot Device
2
nd
Boot Device
3
rd
Boot Device
BootUp Num-Lock
Floppy Drive Swap
Floppy Drive Seek
PS/2 Mouse Support
Primary Display
Password Check
System BIOS Cacheable
C000, 64k Shadow
D000, 64k Shadow
3.0X
IDE-0
Floppy
CDROM
On
Disabled
Disabled
Enabled
VGA/EGA
Setup
Disabled
Cached
Disabled
Available Options
2.0x(Safe)
3.5x
3.0x
3.5x
4.0x
4.5x
5.0x
5.5x
6.0x
6.5x
7.0x
7.5x
8.0x
ESC: Exit
↑↓
: Sel
PgUp/PgDn: Modify
F1: Help F2/F3: Color
Exit to Main
Menu
Figure 3: Advanced BIOS Features Setup Menu
4.4.1 CPU Ratio Selction
This option sets the CPU frequency ratio. The settings are 1:2, 1:4, 1:5, 2:5, 2:9, 2:11, 1:6,
1:8, 1:7, 2:13, 2:15, and 1:2A.
4.4.2 First Boot Device
This option sets the type of device for the first boot drives that the AMIBIOS attempts to
boot from after AMIBIOS Post completes.
4.4.3 Second Boot Device
This option sets the type of device for the second boot drives that the AMIBIOS attempts to
boot from after AMIBIOS Post completes.
4.4.4 Third Boot Device
This option sets the type of device for the third boot drives that the AMIBIOS attempts to