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25
SATA1/SATA2: Serial ATA header
These connectors are use to support the new Serial ATA devices for the high-
est 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 Pin Signal Name
1 GND 2 TX+
3 TX- 4 GND
5 RX+ 6 RX-
7 GND - -
C
C
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c
c
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n
g
g
I
I
/
/
O
O
D
D
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e
v
v
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c
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s
s
The backplane of the motherboard has the following I/O ports:
PS/2 Mouse Use the upper PS/2 port to connect a PS/2 point-
ing device.
PS/2 Keyboard Use the lower PS/2 port to connect a PS/2 key-
board.
LPT1 Use LPT1 to connect printers or other parallel
communications devices.
COM1/2
Use the COM ports to connect serial devices
such as mice or fax/modems. COM1 is identified
by the system as COM1/3. COM2 is identified by
the system as COM2/4.
Audio Ports Use the three audio ports to connect audio de-
vices. The first jack is for stereo line-in signal.
The second jack is for stereo line-out signal. The
third jack is for microphone.
LAN Port (optional) Connect an RJ-45 jack to the LAN port to con-
nect your computer to the Network.
USB Ports Use the USB ports to connect USB devices.
This concludes Chapter 2. The next chapter covers the BIOS.