
ASMB-586 User Manual
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The ASMB-586’s watchdog timer can be used to monitor system software operation
and take corrective action if the software fails to function within the programmed
period. This section describes the operation of the watchdog timer and how to pro-
gram it.
A.1
Watchdog Timer Overview
The watchdog timer is built in to the super I/O controller NCT6776. It provides the fol-
lowing functions for user programming:
Can be enabled and disabled by user’s program
Timer can be set from 1 to 255 sec/min.
Generates an interrupt or resets signal if the software fails to reset the timer
before time-out
A.2
Programming the Watchdog Timer
The I/O port address of the watchdog timer is 2E (hex) and 2F (hex). 2E (hex) is the
address port. 2F (hex) is the data port. You must first write an address value into
address port 2E (hex), and then write/read data to/from the assigned register through
data port 2F (hex).
Содержание ASMB-586
Страница 11: ...Chapter 1 1 Hardware Configuration ...
Страница 25: ...Chapter 2 2 Connecting Peripherals ...
Страница 46: ...ASMB 586 User Manual 36 ...
Страница 47: ...Chapter 3 3 BIOS Operation ...
Страница 70: ...ASMB 586 User Manual 60 3 3 9 NCT6776 HW Monitor Figure 3 12 PC health status screen ...
Страница 77: ...67 ASMB 586 User Manual Chapter 3 BIOS Operation Legacy Console Redirection Settings ...
Страница 78: ...ASMB 586 User Manual 68 ...
Страница 84: ...ASMB 586 User Manual 74 ...
Страница 98: ...ASMB 586 User Manual 88 3 4 2 PCH IO Configuration Figure 3 23 PCH IO configuration screen ...
Страница 100: ...ASMB 586 User Manual 90 3 4 2 1 PCI Express Configuration Figure 3 24 PCI Express configuration screen ...
Страница 111: ...101 ASMB 586 User Manual Chapter 3 BIOS Operation 3 8 1 System Event Log ...
Страница 115: ...Chapter 4 4 Driver Installation ...
Страница 119: ...Appendix A A Programming the Watchdog Timer ...
Страница 127: ...Appendix B B I O Pin Assignments ...
Страница 137: ...127 ASMB 586 User Manual Appendix B I O Pin Assignments ...