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8. SMBus connector (6-1 pin SMB)
This connector allows you to connect SMBus (System Management
Bus) devices. Devices communicate with an SMBus host and/or other
SMBus devices using the SMBus interface. SMBus is a specific
implementation of an I
chips to connect to the same bus and enable each one to act as a
master by initiating data transfer.
P4B266-E
P4B266-E SMBus Connector
9. Internal audio connectors (4-pin CD1, AUX, MODEM) (optional)
These connectors allow you to receive stereo audio input from sound
sources such as a CD-ROM, TV tuner, or MPEG card. The MODEM
connector allows the onboard audio to interface with a voice modem
card with a similar connector. It also allows the sharing of mono_in
(such as a phone) and a mono_out (such as a speaker) between the
audio and a voice modem card.
P4B266-E
P4B266-E Internal Audio Connectors
2-32
2
C bus, a multi-device bus that allows multiple
®
®
SMB
1
MODEM
Modem-In
Ground
Ground
Modem-Out
AUX (White)
CD(Black)
Chapter 2: Hardware information
Left Audio Channel
Ground
Ground
Right Audio Channel
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