Gigabyte GA-6OXC User Manual page 85

Midi Port Address
Disabled Disabled On Board Midi Port.
300 Set On Board Midi Port to 300.
330 Set On Board Midi Port to 330. (Default value)
Midi Port IRQ
5 Set 5 for Midi Port IRQ.
10 Set 10 for Midi Port IRQ. (Default value)
CIR Port Address
Disabled Disabled this function. (Default Value)
310 Set CIR Port Address to 310.
320 Set CIR Port Address to 320.
CIR Port IRQ
5 Set 5 for CIR Port IRQ.
11 Set 11 for CIR Port IRQ. (Default Value)
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BIOS Setup