59
PCA-6763 User Manual
Appendix A
P
rogramming
the
W
atchdog
Timer
Table A.1: Watchdog timer registers
Address of
register (2E)
Attribute
Read/Write
Value (2F)& description
87 (hex)
-----
Write this address to I/O address port 2E (hex) twice to
unlock the NCT6776D.
07 (hex)
write
Write 08 (hex) to select register of watchdog timer.
30 (hex)
write
Write 01 (hex) to enable the function of the watchdog
timer. Disabled is set as default.
F5 (hex)
write
Set seconds or minutes as units for the timer. Write 0 to
bit 3: set second as counting unit. [default]. Write 1 to bit
3: set minutes as counting unit.
Write 1 to bit 4: Watchdog timer count mode is 1000
times faster.
If bit 3 is 0, the count mode is 1/1000 seconds mode. If
bit 3 is 1, the count mode is 1/1000 minutes mode.
Unlock
Select register of
watchdog timer
Enable the function of
the watchdog timer
Use the function of
Lock
the watchdog timer
NCT6776D
NCT6776D
Summary of Contents for PCA-6763
Page 7: ...PCA 6763 User Manual vi ...
Page 11: ...PCA 6763 User Manual x ...
Page 12: ...Chapter 1 1 Hardware Configuration ...
Page 22: ...Chapter 2 2 Connecting Peripherals ...
Page 37: ...PCA 6763 User Manual 26 ...
Page 38: ...Chapter 3 3 AMI BIOS Setup ...
Page 46: ...35 PCA 6763 User Manual Chapter 3 AMI BIOS Setup 3 2 2 7 IDE Configuration ...
Page 53: ...PCA 6763 User Manual 42 ...
Page 62: ...Chapter 4 4 Value Added Software Services ...
Page 64: ...Chapter 5 5 Chipset Software Installation Utility ...
Page 66: ...Chapter 6 6 LAN Configuration ...
Page 68: ...Appendix A A Programming the Watchdog Timer ...
Page 76: ...Appendix B B I O Pin Assignments ...
Page 89: ...PCA 6763 User Manual 78 ...