Intel I440 LX User Manual page 17

NOTE: THE BOARD DEFAULT VALUE IS LOW IN THE FIELD. BOOT
THE SYSTEM TO CONTROLLER TURBO OR DE-TURBO BY
ON-BOARD (TURBO SWITCH).
GATE A20 OPTION:
THE DEFAULT VALUE IS FAST.
NORMAL: THE A20 SIGNAL IS CONTROLLED BY KEYBOARD
CONTROLLER OR CHIPSET HARDWARE.
FAST: DEFAULT: FAST. THE A20 SIGNAL IS CONTROLLED BY
PORT 92 OR CHIPSET SPECIFIC METHOD.
TYPEMATIC RATE SETTING:
THIS DETERMINES THE TYPEMATIC RATE.
ENABLED: ENABLE TYPEMATIC RATE AND TYPEMATIC DELAY
PROGRAMMING.
DISABLED: DISABLE TYPEMATIC RATE AND TYPEMATIC DELAY
PROGRAMMING, THE SYSTEM BIOS WILL USE DEFAULT
VALUE OF THIS 2 ITEMS AND THE DEFAULT IS
CONTROLLED BY KEYBOARD.
TYPEMATIC RATE(CHARS/SEC):
6 : 6 CHARACTERS PER SECOND
10: 10 CHARACTERS PER SECOND 12 : 12 CHARACTERS PER SECOND
15: 15 CHARACTERS PER SECOND 20 : 20 CHARACTERS PER SECOND
24: 24 CHARACTERS PER SECOND 30 : 30 CHARACTERS PER SECOND
TYPEMATIC DELAY (msec):
WHEN HOLDING A KEY, THE TIME BETWEEN THE FIRST AND
SECOND CHARACTER DISPLAYED.
250 : 250 msec
500 : 500 msec
750 : 750 msec
1000 :1000 msec
I440LX
8 : 8 CHARACTERS PER SECOND
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Ver.6LX2