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Step 10 Connect I/O
Onboard Adapters The Pegasus PCI motherboard has:
two serial ports (J2 and J3),
a parallel port (J8),
an IDE controller on the PCI bus (the primary IDE connector is J11 and
the secondary IDE connector is J9), and
a floppy controller (J4).
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 Pegasus PCI motherboard for a hard disk or floppy controller and
serial or parallel ports.
J3 SER1 J2 SER2 J2 and J3 are 9-pin connectors that provide an AT-compatible serial port
interface. Connect the cables supplied with the motherboard to J2 and J3. The
serial port base I/O port address and other serial port settings can be selected
in Peripheral Setup in WINBIOS® Setup.
The J2 and J3 pinout is shown below.
Pin
Signal Description
1
2
3
4
5
20
Pegasus PCI Motherboard User's Guide
Pin
Carrier Detect
6
Receive Data
7
Transmit Data
8
Data Terminal
9
Ready
Ground
10
Signal Description
Data Set Ready
Request to Send
Clear to Send
Ring Indicator
CUT PIN
Cont'd
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