ECS Elitegroup P4M8OOPRO, User Manual, Page: 31 / 92

25
Installing the Motherboard
SATA1~2: Serial ATA connectors
These connectors are used to support the new Serial ATA devices for the highest date
transfer rates (1.5 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 Function
1
Ground
2
TX (+)
3
TX (-)
4
Ground
5
RX (-)
6
RX (+)
7
Ground
-
-
Pin Signal Name Pin Signal Name
IRDA: Infrared header (Optional)
The motherboard supports an Infrared (IRDA) 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.
5
IRTX
Pin Description
1
VCC
2
No Pin
3
IRRX
4
Ground
Pin Signal Name
COM2: Onboard serial port header (Optional)
Connect a serial port extension bracket to this header to add a second serial port to your
system.
1
NDCDB Data carry detect
2
NSINB Serial Data In
3
NSOUTB Serail Data Out
4
NDTRB Data terminal ready
5
GND Ground
6
NDSRB Date set ready
7
NRTSB Request to send
8
NCTSB Clear to send
9
NRIB Ring Indicator
10
KEY Key
Pin Signal Name Function