ECS 915-M5, Manual, Page: 31 / 52

25
Installing the Motherboard
SATA1/2/3/4: 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
COM2: Onboard serial port header
Connect a serial port extension bracket to this header to add a second serial port to your
system.
SPDIF-I1: SPDIF in header
This is an optional header that provides an S/PDIF (Sony/Philips Digital Interface) input to
digital multimedia device through optical fiber or coxial connector.
Pin Signal Name Function
1 VCC3 Power
2 GND Ground
3 SPDIF SPDIF digital input
Pin Signal Name
Function
SPDIF-O1: 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.
Pin Signal Name Function
1 SPDIF SPDIF digital output
2 +5VA 5V analog power
3 Key No pin
4 GND Ground
Pin Signal Name
Function
1
NDCDB Data carry detect
2
NSINB Serial Data In
3
NSOUTB Serial Date 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 No pin
Pin Signal Name Function