Asrock ad2550ru3s3 用户手册

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页码 56
40
3.3.4  Super IO Configuration
COM1 Port  
Use this item to enable or disable the COM1 port.
COM1 Port Address
Use this to set the address for the onboard serial port. Configura-
tion options: [3F8h / IRQ4] and [3E8h / IRQ4].
WDT Timeout Reset
This allows you to enable or disable the Watchdog Timeout Reset 
function. The default value is [Disabled].