American Megatrends MAN-758 manual Connect I/O, Conflicts

Step 10 Connect I/O

Onboard Adapters The MegaRUM PCI motherboard has:

∙twoserialports(J8andJ9),

∙aparallelport(J2),

∙twoUltraWideSCSIconnectors,

∙twoUltranarrowSCSIconnectors,

∙anIDEcontrolleronthePCIbus(theprimaryIDEconnectorisJ12andthesecondaryIDEconnectoris J10),and

∙afloppycontroller(J1).

The serial and parallel port connectors are described below.

Conflicts	AMIBIOS minimizes conflicts between onboard and offboard I/O devices.
	AMIBIOS automatically checks the adapter cards installed in the expansion
	slots on the MegaRUM PCI motherboard for a hard disk or floppy controller
	and serial or parallel ports.

J8 SER1 J9 SER2 J8 and J9 are 9-pin connectors that provide an AT-compatible serial port interface. Connect the cables supplied with the motherboard to J8 and J9. The serial port base I/O port address and other serial port settings can be selected in Peripheral Setup in WINBIOS® Setup.

The J8 and J9 pinout is shown below.

Pin	Signal Description	Pin	Signal Description
1	Carrier Detect	6	Data Set Ready
2	Receive Data	7	Request to Send
3	Transmit Data	8	Clear to Send
4	Data Terminal	9	Ring Indicator
	Ready
5	Ground	10	CUT PIN

Cont’d

Chapter 1 Hardware Installation 27