Agp4X : Agp4X Slot; Modem/Sound Card: Cnr Slot - Acorp 4S651M Manual

Chapter 1

1.7.13 AGP4X : AGP4X Slot

You can install AGP4X card to this AGP4X slot. This slot do
not support TV-out display.

1.7.14 Modem/Sound Card: CNR Slot

CNR slot is build on board for add-on Modem/Sound card.
You can set the riser card to Slave/master mode with JP1.
Motherboard 4S651M/4S651MN
AGP4X Slot:
for AGP4X card only
Socket 478
SiS
650GX
RTL8101L
AGP8X/4X
PCI1
PCI2
PCI3
CNR Slot:
Use JP1 to set the CNR Slot mode.
Pin Jp1 Function
1-2 Slave
1
(default)
2-3
1
1-23
SiS
962L
Battery
Master