Advantech CA-6178F-00B1, Руководство пользователя

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4 0 PCA-6178 User’s Manual
3.4.4 Boot Up Floppy Seek
During Power-On Self Test (POST), BIOS will determine if the floppy
disk drive installed is 40 or 80 tracks. A 360 KB type drive is 40 tracks;
while 720 KB, 1.2 MB, and 1.44 MB type drives 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. This is because they are all 80
tracks.
Disabled BIOS will not search for the floppy drive type by track
number. Note that there will not be any warning message if
the drive installed is 360 KB.
3.4.5 Boot Up NumLock Status
The default is “On”.
On Keypad boots up to number keys.
Off Keypad boots up to arrow keys.
3.4.6 Gate A20 Option
Normal The A20 signal is controlled by the keyboard
controller or chipset hardware.
Fast (Default) The A20 signal is controlled by Port 92 or the chipset
specific method.
3.4.7 Typematic Rate Setting
The typematic rate determines the characters per second accepted by
the computer. Typematic Rate Setting enables or disables the typemat-
ic rate.
3.4.8 Typematic Rate (Chars/Sec)
BIOS accepts the following input values (characters/second) for
typematic rate: 6, 8, 10, 12, 15, 20, 24, 30.