Asus P2-99B - Manual (Page 35)

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
R
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
R
+5V
Ground
SMBCLK
SMBDA
T
A
P2-99B
Connectors
III. H/W SETUP