Super Io Device - TYAN TOMCAT I915 User Manual

Tomcat i915 S5120

3.5.4 Super IO Device

Onboard FDC Controller
Select Enabled if your system has a floppy disk controller (FDC) installed on the system board
and you wish to use it. If you install an add-in FDC or the system has no floppy drive, select
"Disabled" in the field.
•
Enabled
•
Disabled
Onboard Serial Port 1
Select an address and corresponding interrupt for the first serial port.
•
3F8/IRQ4
•
2F8/IRQ3
•
3E8/IRQ4
•
2E8/IRQ3
•
Auto
Onboard Parallel Port
To use the parallel port on the system, select an address and corresponding interrupt for the
parallel port.
•
378/IRQ7
•
278/IRQ5
•
3BC/IRQ7
•
Disabled
Parallel Port Mode
This field allows the user to select the parallel port mode. The default value is Standard that
automatically selects the correct mode to use. The other modes are explained as follows:
SPP works with all parallel port devices. However, it is the slowest transfer mode and should
only be used when faster transfer modes cannot be used.
There are two faster bidirectional modes available - the ECP (Extended Capabilities Port) and
EPP (Enhanced Parallel Port) modes.
ECP uses the DMA protocol to achieve data transfer rates of up to 2.5Mbytes/s and provides
symmetric bidirectional communication. On the other hand, EPP uses existing parallel port
signals to provide asymmetric bidirectional communication.
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Chapter 3: BIOS Setup