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Compact Board
P C M - 6 8 9 7 / L
Appendix A Programming the Watchdog Timer
A
-4
This register is write only. Its values are not sticky; that is to say, a
hardware reset will automatically clear the bits, and does not require
the software to clear them.
Bit
Description
7-2
Reserved
1
Returns to the Wait for Key state. This bit is used when the
configuration sequence is completed
0
Resets all logical devices and restores configuration registers
to their power-on states.
WatchDog Timer Control Register (Index=71h, Default=00h)
Bit
Description
7
WDT is reset upon a CIR interrupt
6
WDT is reset upon a KBC (mouse) interrupt
5
WDT is reset upon a KBC (keyboard) interrupt
4
WDT is reset upon a read or a write to the Game Port base
address
3-2
Reserved
1
Force Time-out. This bit is self-clearing
0
WDT Status
1: WDT value reaches 0.
0: WDT value is not 0
WatchDog Timer Configuration Register (Index=72h,
Default=00h)
Bit
Description
7
WDT Time-out value select
1: Second
0: Minute
Содержание PCM-6897/L
Страница 8: ...Compact Board P C M 6 8 9 7 L Chapter 1 General Information 1 1 General Information Chapter 1...
Страница 18: ...Compact Board P C M 6 8 9 7 L Chapter 2 Quick Installation Guide 2 4 Locating connector solder side...
Страница 20: ...Compact Board P C M 6 8 9 7 L Chapter 2 Quick Installation Guide 2 6 Mechanical Drawing solder side...
Страница 39: ...Compact Board P C M 6 8 9 7 L Chapter 3 Award BIOS Setup 3 1 Award BIOS Setup Chapter 3...
Страница 54: ...Compact Board P C M 6 8 9 7 L Chapter 4 Driver Installation 4 1 Driver Installation Chapter 4...
Страница 68: ...Compact Board P C M 6 8 9 7 L Appendix B Optional Extras B 1 Optional Extras Appendix B...