Chapter 2 Installation Instructions
14
Serial ATA II Connectors: SATA_1, SATA_2,
SATA_3, SATA_4
1
SATA_1/2/3/4
GND
GND
GND
RX +
RX-
TX -
T X +
The Serial ATA II connector is used to connect
the Serial ATA II device to the motherboard. These
connectors support the thin Serial ATA II cables
for primary storage devices. The current Serial
ATA II interface allows up to 300MB/s data trans-
fer rate.
Chassis Intruder Connector: INTR
The connector connects to the chassis secu-
rity switch on the case. The system can detect
the chassis intrusion through the status of this
connector. If the connector has been closed
once, the system will send a message. To uti-
lize this function, set
“
Case Open W arning
”
to
“
Enabled
”
in the
“
PC Health Status
”
section of
the CMOS Setup. Save and exit, then boot the
operating system once to make sure this func-
tion takes effect.
IrDA Connector: IR
This header supports wireless transmitting and
receiving device. Before using this function,
configure the settings of IR Mode from the
“
In-
tegrated Peripherals
”
section o f the CMOS
Setup.
INTR
1 INTRUDERJ
2 GND
SPI Connector: SPI (optional)
This motherboard provides a SPI connector,
which is used to flash the SPI BIOS. Connect
one side of a cable to the connector, then attach
the BIOS Flash Card to the other side of the
cable.
7
8
1
2
3D3V_S YS
SPI_HOLDJ
ICH_SPI_CLK
ICH_SPI_MOSI
ICH_SP I_CSJ
ICH_SPI_MISO
Key
GND
SPI
IR
1
+5V
GND
IRRX
I RTX
E mpt y
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