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32 ASUS P2B-VM User’s Manual
III. INSTALLATION
Connectors
III. INSTALLATION
15. SB-Link™ Connector (6-1 pin SBLINK)
Using Intel’s PC-PCI and serialized IRQ protocols found in this motherboard’s
AGPset, this connector allows Sound Blaster 16 compatibility to AWE64D (Digi-
tal) or other PCI audio cards, enabling users to play Real-mode DOS games and
multimedia applications. SB-Link acts as a bridge between the motherboard and
the PCI audio card by providing the DMA and IRQ signals present in the ISA
bus but not available on the PCI bus.
NOTE: Pin 3 is removed to ensure the
correct orientation of the cable on it.
P2B-VM SB-Link™ Connector
SB-LINK
PC/PCI Request
Sideband Signal
5
6
PC/PCI Grant
Sideband Signal
1
DGND
2
DGND
Serial IRQ
R
16. Stereo Audio In Connector (4-pin )/Voice Modem In Connector (4-pin)
The CD_IN connector can be used to receive stereo audio input from an internal
CD-ROM drive or other sound sources such as a TV tuner or MPEG card. The
MODEM_IN connector allows mono input and output for a voice modem mi-
crophone and speaker interface.
P2B-VM Stereo Audio In and Voice Modem In Connectors
CD_IN
Right Audio Channel
Left Audio Channel
Ground
Ground
R
Input
Output
Ground
Ground
MODEM_IN