3-12
MS-7176 ATX Mainboard
IO Devices Configuration
Press <Enter> to enter the sub-menu and the following screen appears:
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 add-on FDC or the system has
no floppy drive, select [Disabled] in this field. Setting options: [Enabled], [Disabled].
COM Port
These items specify the base I/O port addresses of the onboard Serial Port 1 .
Selecting [Auto] allows BIOS to automatically determine the correct base I/O port
address. Settings: [3F8/IRQ4], [2F8/IRQ3], [3E8/IRQ4], [2E8/IRQ3] and [Disabled].
Onboard Parallel Port
There is a built-in parallel port on the on-board Super I/O chipset that provides
Standard, ECP, and EPP features. It has the following options:
[Disabled]
[3BC/IRQ7]Line Printer port 0
[278/IRQ5] Line Printer port 2
[378/IRQ7] Line Printer port 1
Parallel Port Mode
[SPP] Standard Parallel Port
[EPP] Enhanced Parallel Port
[ECP] Extended Capability Port
[ECP + EPP]Extended Capability Port + Enhanced Parallel Port
To operate the onboard parallel port as Standard Parallel Port only, choose [SPP].
To operate the onboard parallel port in the EPP mode simultaneously, choose [EPP].
By choosing [ECP], the onboard parallel port will operate in ECP mode only. Choos-
ing [ECP + EPP] will allow the onboard parallel port to support both the ECP and EPP
modes simultaneously.
EPP Mode Select
The onboard parallel port is EPP Spec. compliant, so after the user chooses the
onboard parallel port with the EPP function, the following message will be displayed
on the screen: “EPP Mode Select.” At this time either [EPP 1.7] spec or [EPP 1.9]
spec can be chosen.
ECP Mode Use DMA
The ECP mode has to use the DMA channel, so choose the onboard parallel port
with the ECP feature. After selecting it, the following message will appear: “ECP
Mode Use DMA.” At this time, the user can choose between DMA channel [3] or
[1].
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