26
Installing the Motherboard
Connecting I/O Devices
The backplane of the motherboard has the following I/O ports:
This concludes Chapter 2. The next chapter covers the BIOS.
PS2 Mouse
PS2 Keyboard
Parallel Port (LPT1)
Serial Port (COM1)
VGA Port
LAN Port (optional)
1394a Port (optional)
USB Ports
Audio Ports
Use the upper PS/2 port to connect a PS/2 pointing device.
Use the lower PS/2 port to connect a PS/2 keyboard.
Use LPT1 to connect printers or other parallel communications
devices.
Use the COM port to connect serial devices such as mice or fax/
modems. COM1 is identified by the system as COM1/3.
Connect your monitor to the VGA port.
Connect an RJ-45 jack to the LAN port to connect your com-
puter to the Network.
Use the USB ports to connect USB devices.
JLPC: TPM LPC header (optional)
1 CLK_33M
3 L_FRAME#
5 ICH_P_PCIRST#
7 L_AD3
9 3D3V_SYS
11 L_AD0
13 PP
15 3VSB
17 GND
19 L_PCPD#
Pin Signal Name Pin Signal Name
2 GND
4 Key
6 SMA_DATA
8 L_AD2
10 L_AD1
12 GND
14 NC
16 SERIRQ
18 GND
20 SMA_CLK
Use the 1394a port to connect any Firewire device.
Use the three audio ports to connect audio devices. The first
jack is for stereo line-in signal. The second jack is for stereo
line-out signal. The third jack is for microphone.
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