ECS NFORCE3-A, Manual

Page: 28 / 56

22
Installing the Motherboard
JCDIN1: Analog Audio Input header
1
CD in_L
CD In left channel
2
GND
Ground
3
GND
Ground
4
CD in_R
CD In right channel
JSPDIF-OUT: SPDIF out header
This is an optional header that provides an S/PDIF (Sony/Philips Digital Interface) output
to digital multimedia device through optical fiber or coxial connector.
1 +5V
2 SPDIF OUT
3 Ground
Pin Signal Name
Function Pin Signal Name
JUSB1~JUSB2: Front Panel USB headers
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.
Please make sure that the USB cable has the same pin assignment as indi-
cated above. A different pin assignment may cause damage or system hang-
up.
1
USBPWR Front Panel USB Power
2
USBPWR Front Panel USB Power
3
USB_FP_P0- USB Port 0 Negative Signal
4
USB_FP_P1- USB Port 1 Negative Signal
5
US USB Port 0 Positive Signal
6
US USB Port 1 Positive Signal
7
GND Ground
8
GND Ground
9
Key No pin
10
NC
Not connected
JSATA4~JSATA5: Serial ATA connectors
These connectors are use to support the new Serial ATA devices for the highest date transfer
rates (150 MB/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.
Function
Pin Signal Name
Pin Signal Name Function
1
Ground
2
TX+
3
TX-
4
Ground
5
RX-
6
RX+
7
Ground
-
-
Pin Signal Name Pin Signal Name