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SATA1~4: Serial ATA Connectors
These connectors are used to support the new Serial ATA devices for the higher 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 still maintains the register compatibility and software compatibility with
Parallel ATA.
Pin
Signal Name
1
Ground
3
TX-
5
RX-
7
Ground
SPDIF: SPDIF out Header
This is an optional header that provides an SPDIF (Sony / Philips Digital Interface) output to digital
multimedia device through optional fiber or coaxial connector.
Pin
Signal Name
1
5V
2
KEY
3
SPDIF
4
GND
1394CN1: IEEE 1394a Header
This header supports any device with IEEE 1394a interface.
Pin
Signal Name
1
TPA1P
3
GND
5
TPB1B
7
CPWR2
9
Key
IRDA: Infrared Header
The main board supports an infrared (IRDA) data port. Infrared port allows the wireless exchange
of information between the computer and similarly equipped devices such as printers, laptops,
PDAs, and other computers.
Pin
Signal Name
1
VCC
2
Key
3
IRRX
4
GND
5
IRTX
68
Pin
Signal Name
2
TX+
4
Ground
6
RX+
-
-
Pin
Signal Name
2
TPA1M
4
GND
6
TPB1M
8
CPWR2
10
GND
Chapter 5
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