User`s manual
AIMB-240 Series 
70 AIMB-240 Series User’s Manual 
Item  Options  Description 
Onboard FDC Controller 
Enabled 
Disabled 
Select Enabled if your system has a floppy disk 
controller (FDC) installed on the system board 
and you wish to use it.    If you are not going to 
use FDC or the system has no floppy drive, 
select Disabled in this field. 
Onboard Serial Port 1 
Onboard Serial Port 2 
Disable, 3F8/IRQ4 
2F8/IRQ3, 3E8/IRQ4 
2E8/IRQ3, AUTO 
Select an address and corresponding interrupt 
for the first and second serial ports. 
UART Mode Select 
IrDA 
ASKIR 
Normal 
IrDA/UART function select 
RxD , TxD Active 
Hi,Hi 
Hi,Lo 
Lo,Hi 
Lo,Lo 
This setting the Hardward IrDA signal’s Logic 
Level 
IR Transmission Delay 
Enabled 
Disabled 
Enabled/disabled IR Transmission Delay 
UR2 Duplex Mode 
Full 
Half 
Full duplex/ half duplex mode select 
Use IR Pins 
RxD2,TxD2 
IR-Rx2Tx2 
IR I/O pins’ location select 
Onboard Parallel Port 
Disabled, 378/IRQ7 
278/IRQ5, 3BC/IRQ7 
Select a matching address and interrupt for the 
physical parallel (printer) port. 
Parallel Port Mode 
SPP, EPP 
ECP, Normal 
ECP+EPP 
Select an operating mode for the onboard 
parallel port. Select Compatible or Extended 
unless you are certain both your hardware and 
software support EPP or ECP mode. 
EPP Mode Select  EPP1.9, EPP1.7  Select EPP port type 1.7 or 1.9. 
ECP Mode Use DMA  1, 3  Select a DMA channel for the port. 
PWRON After PWR-Fail 
Off, On 
Former-Sts 
This item is to set whether to run Ac Loss Auto 
Restart or off 
Onboard Serial Port 3 
Onboard Serial Port 4 
Disable, 3F8 
2F8, 3E8, 
2E8 
Select an IRQ address for the third and forth 
serial Ports. 
Serial Port 3 Use IRQ 
Serial Port 4 Use IRQ 
IRQ3, IRQ4, IRQ5 
IRQ9, IRQ10, IRQ11 
Select an IRQ for the third and forth serial 
ports. 
Serial Port 3 Mode 
Normal 
IRDA 
Select an IO address for the third serial ports 
Item  Options  Description 
Onboard Serial Port 3 
Onboard Serial Port 4 
Disable, 3F8 
2F8, 3E8 
2E8 
Select an address for the serial ports 3 and 
serial ports 4. 
Serial Port 3 use IRQ  IRQ3,IRQ4  Select an corresponding interrupt for the Serial 










