M81E / M81DC2 / M812-FX Series User’s Manual
12
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IrDA Infrared Header “J11” ( Optional )
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It is a 10-Pin Standard IR(SIR) and Consumer IR(CIR) headers. That support
an optional wireless transmitting and receiving infrared module. This module
mounts to a small opening on system case that support this feature.
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This is an optional item and it must be connected to the CIR and SIR header
simultaneously for both wireless transmitting and remote control functions
through one external infrared module.
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TV System Format Header “JP4”
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This motherboard has a 2-Pin header for TV system format setting. It
supports NTSC and PAL TV format.
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Use this jumper to setting the TV format that is integrated on this motherboard.
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Place a jumper cap to short Pin 1-2 of JP4 that supported for PAL format.
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Remove the jumper cap from Pin1-2 and put the jumper cap back to Pin-
1 of JP4 that supported for NTSC format.
SIR
CIR
Assignment Pin Pin Assignment
+5V
1 2
NC
NC
3 4
CIRRx
IRRx
5 6
+5Vsb
GND
7 8
GND
IRTx
9 10
NC
1
2
10
9
2
1
Jumper Cap
Function
Short Pin 1-2
Support PAL format
Open Pin 1-2
Support NTSC format