from cardreset readme:
The time of the reset operation in Amiga TICKS (1 TICKS is equal 20 mS).
Maximum: 50 TICKS (1 sec.). If a number of TICKS is 0 or less
[color=ff0000]the operation will not be done.[/color]
Don't use TICKS 5 or less. PC Cards require the reset time 100 or 200 mS.
The default value is equal 15 TICKS (300 mS).