Norco MITX-6891, User Manual, Page: 69 / 74

MITX-6891
Mini-ITX Motherboard Based on Intel G45 Chipset
62
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watchdog reference code (c++ language) ：
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outputb (0x2e, 0x87)
outputb (0x2e, 0x87) // Open SUPER IO register
outputb (0x2e, 0x2B)
outputb (0x2f, 0xE0) //bit4=0 ,set pin as watchdog func
outputb (0x2E, 0x07)
outputb (0x2F, 0x08) //select logical device
outputb (0x2e, 0x30)
outputb (0x2f, 0x01) //active the device
outputb (0x2e, 0xF5)
outputb (0x2f, 0x00) // Set timer units as second / （ Set timer units as minute: outputb (0x2f,
0x08)
）
outputb (0x2e, 0xF6)
outputb (0x2f, 0xIE) // Set Timer Count to 30 sec
outputb (0x2E, 0xAA) // locked register
//------- code end ---------------------------------