Tyan Computer TYAN S1668 User Manual
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S1668-ATX-001 http://www.tyan.com
Boot Up Floppy Seek
During POST, the BIOS will determine if the floppy disk drive installed is
40 or 80 tracks. 360K type is 40 tracks while 720K, 1.2M and 1.44M
are all 80 tracks. Default value is Enabled
Enabled BIOS searches for floppy disk drive to determined if it is 40 or 80
tracks. Note that the BIOS cannot tell from 720k, 1.2M or 1.44M
drive type as they are all 80 tracks
Disabled BIOS will not search for the type of floppy disk drive by track
number. Note that there will not be any warning messages if the
drive installed is 360K
Boot Up NumLock Status
Default value is On
On
Keypad is number keys
O f f
Keypad is arrow keys
Memory Parity Check
The default value is disabled
Gate A20 Option
Gate A20 controls the ability to access memory addresses above 1 MB
by enabling (Fast) or disabling (Normal) access to the processor.
Default value is Fast
Typematic Rate Setting, Typematic Rate (char/sec), and
Typematic Delay.
Typematic Rate Setting enables or disables the following two options.
TheTypematic Rate (6, 8, 10, 12, 15, 20, 24, or 30 characters per second)
and Typematic Rate Delay (250, 500, 750, or 1000 milliseconds) controls
the speed at which the keystroke is repeated. The selected character is
displayed when a key is held down after a delay set by the Typematic
Rate Delay. It then repeats at a rate set by the Typematic Rate.