Asus P2-99B P2-99B User Manual - Page 35

ASUS P2-99B User's Manual, SB-Link™ Connector 6-1 pin SBLINK, SMBus Connector 5-1 pin SMB

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III. HARDWARE SETUP 20. SB-Link™ Connector (6-1 pin SBLINK) If you have a Sound Blaster compatible PCI audio card, you must link it to this connector. Otherwise, you will have compatibility issues under DOS environment. P2-99B R P2-99B SB-Link™ Connector NOTE: Pin 3 is removed to ensure the correct orientation of the cable on it. DGND PC/PCI Grant Sideband Signal PC/PCI Request Sideband Signal 246 1 5 Serial IRQ DGND 21. SMBus Connector (5-1 pin SMB) This connector allows you to connect SMBus devices. SMBus devices communicate by means of the SMBus with an SMBus host and/or other SMBus devices. The SMBus or System Management Bus is a specific implementation of an I2C bus, which is a multi-master bus, that is, multiple chips can be connected to the same bus and each one can act as a master by initiating data transfer. SMBDATA SMBCLK Ground +5V P2-99B R P2-99B SMBus Connector III. H/W SETUP Connectors ASUS P2-99B User's Manual 35

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ASUS P2-99B User’s Manual
35
III. HARDWARE SETUP
20. SB-Link™ Connector (6-1 pin SBLINK)
If you have a Sound Blaster compatible PCI audio card, you must link it to this
connector. Otherwise, you will have compatibility issues under DOS environment.
P2-99B SB-Link™ Connector
P2-99B
NOTE:
Pin 3 is removed to ensure the
correct orientation of the cable on it.
PC/PCI Grant
Sideband Signal
5
6
PC/PCI Request
Sideband Signal
1
DGND
2
DGND
Serial IRQ
4
21. SMBus Connector (5-1 pin SMB)
This connector allows you to connect SMBus devices. SMBus devices commu-
nicate by means of the SMBus with an SMBus host and/or other SMBus de-
vices. The SMBus or System Management Bus is a specific implementation of
an I
2
C bus, which is a multi-master bus, that is, multiple chips can be connected
to the same bus and each one can act as a master by initiating data transfer.
P2-99B SMBus Connector
+5V
Ground
SMBCLK
SMBDATA
P2-99B
Connectors
III.
H/W SETUP