Chapter 3 - Standard CMOS Setup
3-8
IBC 2600 User’s Guide
The Setup screen displays the system option:
Boot Sector Virus Protection
Disabled
Available options are:
Disabled
Enabled
If the
Boot Sector Virus Protection
option is set to Enabled, the follow-
ing message displays when a write is attempted to the boot sector.
Boot Sector Write!!! Possible VIRUS: Continue (Y/N)?
Select Y or N as appropriate. You may have to select N several times to
prevent the boot sector write.
The following message displays if any attempt is made to format any cyl-
inder, head or sector of any hard disk drive via the
BIOS INT 13
Hard
Disk Drive Service:
Format!!! Possible VIRUS: Continue (Y/N)?
Select Y or N as appropriate. If you select Y to continue, formatting pro-
ceeds normally. If you do not want to continue formatting, you may have
to select N several times, depending on how many retries are performed
by the upper-level software. For example, DOS does at least five retries
before the Format utility is actually terminated.
NOTE: You should
not
enable boot sector virus protection when format-
ting a hard drive.
The DOS hard disk Format utility does not use INT 13H function AH=05H
to format the hard disk. It only verifies the hard disk using the INT 13H
Verify function (AH=04H). The virus warning message is
not
displayed
during DOS hard disk drive formatting.
Saving and Exiting
When you have made all desired changes to
Standard CMOS Setup,
press <Esc> to return to the AMIBIOS Setup Main Menu screen.
You may make changes to other Setup options before exiting from AMI-
BIOS Setup. You may save the changes you have just made or you may
exit from Setup without saving your changes.
Summary of Contents for IBC 2600
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