Abit AB-BF6, Manual

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Introduction of the BIOS 3-15
User’s Manual
Virus Warning:
This item can be set to Enabled or Disabled, the default setting being
Disabled
. When this
feature is enabled, if there is any attempt from a software or an application to access the boot
sector or the partition table, the BIOS will warn you that a boot virus is attempting to access
the hard disk.
CPU Level 1 Cache:
This item is used to enable or to disable the CPU level 1 cache. When the cache is set to
Disabled it is much slower, so the default setting for this item is Enabled since it will speed
up memory access. Some old and very poorly written programs will make the computer
malfunction or crash if the system speed is too high. In this case, you should disable this
feature. The default setting is Enabled .
CPU Level 2 Cache:
This item is used to enable or to disable the CPU level 2 cache. When the external cache is
e nable , it will speed up memory access, and the system works faster. The default setting is
Enabled .
CPU L2 Cache ECC Checking:
This item is used to enable or to disable the CPU level 2 cache ECC (Error Correction Code)
checking function. The default setting is Enabled .
Processor Number Feature:
This feature can let the program read the data inside your processor. This feature only works
with Intel
®
Pentium
®
III processors. When you install a Pentium
®
III processor into your
motherboard, and when your system boots-up then this item will show up in BIOS.
Two items will be available: Enabled and Disabled. When you choose Enabled, the specific
program can read your processor's serial number. When you choose Disabled it will not
allow the program to read your processor's serial number. The default setting is Disabled.
First Boot Device:
When the computer boots up, the BIOS attempts to load the operating system from the
devices in the sequence selected in these items: floppy disk drive A, LS/ZIP devices, hard