KINO-PVN-D5251/D4251/ Mini ITX SBC
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Appendix
E
E
Watchdog Timer
NOTE:
The following discussion applies to DOS. Contact IEI support or visit
the IEI website for drivers for other operating systems.
The Watchdog Timer is a hardware-based timer that attempts to restart the system when it
stops working. The system may stop working because of external EMI or software bugs.
The Watchdog Timer ensures that standalone systems like ATMs will automatically
attempt to restart in the case of system problems.
A BIOS function call (INT 15H) is used to control the Watchdog Timer.
INT 15H:
AH – 6FH Sub-function:
AL – 2:
Sets the Watchdog Timer’s period.
Summary of Contents for KINO-PVN-D5251
Page 14: ...KINO PVN D5251 D4251 Mini ITX SBC Page xiv...
Page 15: ...KINO PVN D5251 D4251 Mini ITX SBC Page 1 Chapter 1 1 Introduction...
Page 24: ...KINO PVN D5251 D4251 Mini ITX SBC Page 10 Chapter 2 2 Unpacking...
Page 28: ...KINO PVN D5251 D4251 Mini ITX SBC Page 14 Chapter 3 3 Connectors...
Page 51: ...KINO PVN D5251 D4251 Mini ITX SBC Page 37 Chapter 4 4 Installation...
Page 73: ...KINO PVN D5251 D4251 Mini ITX SBC Page 59 Figure 4 19 Graphics Driver Installation Reminder...
Page 74: ...KINO PVN D5251 D4251 Mini ITX SBC Page 60 Chapter 5 5 BIOS Screens...
Page 102: ...KINO PVN D5251 D4251 Mini ITX SBC Page 88 Appendix A A BIOS Options...
Page 105: ...KINO PVN D5251 D4251 Mini ITX SBC Page 91 Appendix B B One Key Recovery...
Page 133: ...KINO PVN D5251 D4251 Mini ITX SBC Page 119 Appendix C C Terminology...
Page 137: ...KINO PVN D5251 D4251 Mini ITX SBC Page 123 Appendix D D Digital I O Interface...
Page 143: ...KINO PVN D5251 D4251 Mini ITX SBC Page 129 Appendix F F Hazardous Materials Disclosure...