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AIMB-221 User Manual 56
3.4.1 CPU Features
! Thermal Management
This feature controls the activation of the Thermal Monitor's automatic mode. It
allows you to determine when the Pentium 4's Thermal Monitor should be acti-
vated in automatic mode after the system boots. For example, with the default
value of 16 Minutes, the BIOS activates the Thermal Monitor in automatic mode
16 minutes after the system starts booting up. The choices are 4 Min, 8 Min, 16
Min and 32 Min.
! Limit CPUID MaxVal
Set Limit CPUID MaxVa1 to 3. This should be disabled for Windows XP.
! C1E Function:
This option sets the CPU C1E function.
! Execute Disable Bit
When disabled, this option forces the XD feature flag to always return 0.
3.4.2 Hard Disk Boot Priority
This option sets hard disk boot device priority.
3.4.3 Virus Warning
Enables or disables the virus warning.
3.4.4 CPU L1, L2 & L3 Cache
Enabling this feature speeds up memory access. The commands are "Enabled" or
"Disabled".
3.4.5 Hyper-Threading Technology
While using a CPU with Hyper-Threading technology, you can select "Enabled" to
enable Hyper-Threading Technology in an OS that supports Hyper-Threading Tech-
nology or select "Disabled" for other OSs that do not support Hyper-Threading tech-
nology.
3.4.6 Quick Power On Self Test
This allows the system to skip certain tests to speed up the boot-up procedure.
3.4.7 First/Second/Third Boot Device
The BIOS tries to load the OS from the devices in the sequence set here. The options
are: "Floppy", "LS120", "Hard disk", "CDROM", "ZIP100", "USB-FDD", "USB-ZIP",
"USBCDROM", "USB-HDD", "LAN" and "Disabled".
3.4.8 Boot Other Device
Use this to boot another device. The options are "Enabled" and "Disabled".
3.4.9 Swap Floppy Drive
If the system has two floppy drives, choose "Enabled" to assign physical drive B to
logical drive A and vice-versa. The commands are "Enabled" or "Disabled".