Intel Braswell Series Technical Manual page 35

Use this item to select an optimal setting for super IO device.
The optional settings: [Auto]; [IO=3F8h; IRQ=10;]; [IO=2F8h; IRQ=10;]; [IO=3E8h;
IRQ=10;]; [IO=2E8h; IRQ=10;]; [IO=2F0h; IRQ=10;]; [IO=2E0h; IRQ=10;].
Serial Port FIFO Mode
The optional settings are: [16-Byte FIFO]; [32-Byte FIFO]; [64-Byte FIFO];
[128-Byte FIFO].
 Serial Port 4 Configuration
Press [Enter] to make settings for the following items:
Serial Port
Use this item to enable or disable serial port (COM).
The optional settings: [Disabled]; [Enabled].
Change Settings
Use this item to select an optimal setting for super IO device.
The optional settings: [Auto]; [IO=3F8h; IRQ=10;]; [IO=2F8h; IRQ=10;]; [IO=3E8h;
IRQ=10;]; [IO=2E8h; IRQ=10;]; [IO=2F0h; IRQ=10;]; [IO=2E0h; IRQ=10;].
Serial Port FIFO Mode
The optional settings are: [16-Byte FIFO]; [32-Byte FIFO]; [64-Byte FIFO];
[128-Byte FIFO].
 Serial Port 5 Configuration
Press [Enter] to make settings for the following items:
Serial Port
Use this item to enable or disable serial port (COM).
The optional settings: [Disabled]; [Enabled].
Change Settings
Use this item to select an optimal setting for super IO device.
The optional settings: [Auto]; [IO=3F8h; IRQ=11;]; [IO=2F8h; IRQ=11;]; [IO=3E8h;
IRQ=11;]; [IO=2E8h; IRQ=11;]; [IO=2F0h; IRQ=11;]; [IO=2E0h; IRQ=11;].
Serial Port FIFO Mode
The optional settings are: [16-Byte FIFO]; [32-Byte FIFO]; [64-Byte FIFO];
[128-Byte FIFO].
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