ECS 945PL-A Manual page 28

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USB1/2: Front Panel USB header
The motherboard has four USB ports installed on the rear edge I/O port array. Additionally,
some computer cases have USB ports at the front of the case. If you have this kind of case,
use auxiliary USB connector to connect the front-mounted ports to the motherboard.
Pin Signal Name
1
USBPWR
2
USBPWR
3
USB_FP_P0-
4
USB_FP_P1-
5
USB_FP_P0+
6
USB_FP_P1+
7
GND
8
GND
9
Key
10
NC
IR1: Infrared port
The mainboard supports an Infrared (IR1) data port. Infrared ports allow the wireless
exchange of information between your computer and similarly equipped devices such as
printers, laptops, Personal Digital Assistants (PDAs), and other computers.
Pin
1
Not Assigned
2
Key
3
+5V
4
GND
5
IR_TX
6
IR_RX
SATA1/2/3/4: Serial ATA connectors
These connectors are used to support the new Serial ATA devices for the highest date
transfer rates (3.0 Gb/s), simpler disk drive cabling and easier PC assembly. It eliminates
limitations of the current Parallel ATA interface. But maintains register compatibility and
software compatibility with Parallel ATA.
Pin Signal Name
Pin Signal Name
1
Ground
3
TX-
5
RX-
7
Ground
CHS1: Chassis Intrusion Detect header
Pin 1-2
Short Case Open
Open Case Close
Function
Front Panel USB Power
Front Panel USB Power
USB Port 0 Negative Signal
USB Port 1 Negative Signal
USB Port 0 Positive Signal
USB Port 1 Positive Signal
Ground
Ground
No pin
Not connected
Signal Name Function
Not assigned
No pin
IR Power
Ground
IrDA serial output
IrDA serial input
Pin Signal Name
Function
2
TX+
4
Ground
6
RX+
-
-
Function
Installing the Motherboard