User manual

AIM-3383 User Manual 62
4.6.16 Onboard Serial Port 1
You can disable the COM 1 serial port by selecting “Disabled”, select the
“Auto” to allow BIOS to arrange the suitable resource value for your
COM1 device connection automatically, or you can select the resource of
IRQ/IO Address combination for your COM 1 serial port device connec-
tion. The optional setup values are:
Disabled
3F8/IRQ4
2FB/IRQ3
3E8/IRQ4
2E8/IRQ3
Auto
The default setup value of COM 1 (Onboard Serial Port 1) is “3F8/
IRQ4”.
4.6.17 Onboard Serial Port 2
You can disable the COM 2 serial port by selecting “Disabled”, select
“Auto” to allow BIOS to arrange the suitable resource value for your
COM 2 device connection automatically, or you can select the resource of
IRQ/IO Address combination for your COM 1 serial port device connec-
tion. The optional setup values are:
Disabled
3F8/IRQ4
2FB/IRQ3
3E8/IRQ4
2E8/IRQ3
Auto
The default setup value of COM 2 (Onboard Serial Port 2) is “2F8/
IRQ3”.
4.6.18 Watchdog Timer Select
This field allows you to set the timing duration when any unexpected pro-
gram cause a halt, the Watch-Dog Timer will automatically reset the CPU
or generate an interrupt. The Watch-Dog is designed with hardware only
and doesn’t need any arithmetical functions of a real-time clock chip, this
ensures reliability in an unmanned or standalone system. The setup
options are “Disabled, “10 Sec”, “20 Sec”, “30 Sec”, “40 Sec”, “1 Min”,
“2 Min”, and “4 Min”.