User`s manual
RS-400-SF User’s Manual 
56 
Onboard FDC Controller [Enabled/Disabled]: The 
system has an on-board Super I/O chip with a FDD 
controller that supports a FDD drive for 360K/ 
720K/1.2M/1.44M. Choose “Enabled” to use the on-board 
FDD controller for accessing the FDD. Otherwise please 
select ”Disabled” to use the off-board FDD controller. 
Onboard Serial Port 1 
[Auto/Disable/(3F8/IRQ4)/(2F8/IRQ3) 
Onboard Serial Port 2 
[Auto/Disable/(3F8/IRQ4)/(2F8/IRQ3) 
The system has an On-board Super I/O chipset with 2 serial 
ports. The On-board serial ports can be selected as: 
Auto 
Disable 
3F8/IRQ4 COM 1 uses IRQ4 
2F8/IRQ3 COM 2 uses IRQ3 










