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Intel X48 Series User's Manual
1.4 Connecting Rear Panel I/O Devices
The rear I/O part of these mainboard provides the following I/O ports:
(This picture is only for reference)
• PS/2 Keyboard: Connects to PS/2 keyboard.
• CMOS_BT1: Clears the CMOS switch, continues to hold down for several seconds to be clear
CMOS the setup.
• SPDIF IN:This connector provides an S/PDIF-IN connection.
• SPDIF OUT:Connects to digital audio device.
• 1394a: IEEE the 1394 connection, this connection port may connect the transmission speed
higher video and music equipment, the storage equipment continually, to sweep to
trace the meter perhaps other may take along the type equipment .
• eSATA:Connects to peripherial SATA devices.
• USB: Connects to USB devices such as scanner, digital speakers, monitor, mouse, keyboard,
hub, digital camera, joystick etc.
• LAN: Connects to Local Area Network.
• AUDIO1:
Cen./Sub. (Center / Subwoofer): Connects to the center and subwoofer channel in the 7.1
channel audio system.
R.L./R.R. (Rear Left / Rear Right): Connects to the rear left and rear right channel in the 7.1
channel audio system.
S.L./S.R. (Surround Left / Surround Right): Connects to the surround left and surround right
channel in the 7.1 channel audio system.
Line-In: Connects to the line out from external audio sources.
Line-Out: Connects to the front left and front right channel in the 7.1-channel or regular
2-channel audio system.
Mic-In: Connects to the plug from external microphone.
