Octagon 2060 PC/104, Справочное руководство

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Strobe watchdog
Function: fdh
Subfunction: 02h
Purpose: To strobe the watchdog.
Calling registers: AH fdh
AL 02h
DX ffffh
Return registers: None
Comments: This function strobes the watchdog. Once the
watchdog is enabled, it has to be strobed at
least twice per timeout period or until the
watchdog is disabled. Otherwise, a system reset
will occur.
Programming example:
/* Inline assembly code for Borland C++ 3.1 */
asm {
mov ax,0fd02h
mov dx,0ffffh
int 17h
}
Disable watchdog
Function: fdh
Subfunction: 03h
Purpose: To disable the watchdog.
Calling registers: AH fdh
AL 03h
DX ffffh
Return registers: None
Comments: This function disables the watchdog. Once the
watchdog is enabled, it has to be strobed at
least twice per timeout period or until the
watchdog is disabled. Otherwise, a system reset
will occur.
Programming example:
/* Inline assembly code for Borland C++ 3.1 */
asm {
mov ax,0fd03h
mov dx,0ffffh
int 17h
}
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