Lanner RS12-38800 - Manual (Page 64)

CRF7 (Default 0x00)
Bit 7 : Mouse interrupt reset Enable or Disable
= 1 Watch Dog Timer is reset upon a Mouse interrupt
= 0 Watch Dog Timer is not affected by Mouse interrupt
Bit 6 : Keyboard interrupt reset Enable or Disable
= 1 Watch Dog Timer is reset upon a Keyboard interrupt
= 0 Watch Dog Timer is not affected by Keyboard interrupt
Bit 5 : Force Watch Dog Timer Time-out, Write only
= 1 Force Watch Dog Timer time-out event; this bit is self-clearing.
Bit 4 : Watch Dog Timer Status, R/W
= 1 Watch Dog Timer time-out occurred
= 0 Watch Dog Timer counting
Bit 3 -0 : These bits select IRQ resource for Watch Dog. Setting of 2 selects SMI.