ECS K8T890-A, Руководство пользователя, Страница: 31 / 93

25
Installing the Motherboard
USB2~3: 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
USB_FP_OC0
Overcurrent signal
Pin Signal Name Function
SATA1~2: 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.
Pin Signal Name Function
1
Ground
2
TX+
3
TX-
4
Ground
5
RX-
6
RX+
7
Ground
-
-
Pin Signal Name
Pin Signal Name
SIR1: Infrared header
The mainboard supports an Infrared (SIR1) data port. Infrared port allows the wireless
exchange of information between your computer and similarly equipped devices such as
printers, laptops, Personal Digital Assistants (PDAs), cell phones, and other computers.
Pin Signal Name Function
1
Not Assigned Not assigned
2
Key No pin
3
+5V IR Power
4
GND Ground
5
IRTX IrDA serial output
6
IRTX IrDA serial input