Advantech PCA-6145B Manual page 39

Half-size 486 all-in-one cpu card with panel/crt and ethernet interface
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You can run the anti-virus program to locate the problem.
If Virus Warning is Disabled, no warning message will appear if anything
attempts to access the boot sector or hard disk partition.
CPU Internal Cache/External Cache
Depending on the CPU/chipset design, these options can speed up mem-
ory access when enabled.
Quick Power On Self Test
This option speeds up the Power-On Self Test (POST) conducted as soon
as the computer is turned on. When enabled, BIOS shortens or skips some
of the items during the test. When disabled, normal POST procedures
assumes.
Boot Sequence
This function determines the sequence in which the computer will search
the drives for the disk operating system (i.e. DOS). The default value is
"A, C".
C,A
System will first search the hard drive, then the floppy drive.
A,C
System will first search the floppy drive, then the hard drive.
Boot Up Floppy Seek
During POST, BIOS will determine if the floppy disk drive installed is 40
or 80 tracks. 360 KB type is 40 tracks while 720 KB, 1.2 MB, and 1.44
MB are all 80 tracks.
Enabled
BIOS searches the floppy drive to determine if it is 40 or 80
tracks. Note that BIOS cannot differentiate 720 KB, 1.2 MB,
and 1.44 MB type drives as they are all 80 tracks.
Disabled
BIOS will not search for the floppy drive type by track num-
ber. Note that there will not be any warning message if the
drive installed is 360 KB.
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