Rosewill RC-701 - Manual (Page 5)

This 5.1 Channel PCI Sound Card also has the following internal connection and
jumpers:
The Function
J1 Analog CD/IN Port(Signals: L-G-G-R)
J2 Analog CD/IN Port(Signals: G-R-G-L)
J3 Aux-in
JP1&JP2
1-2 close Center/Bass channel in normal mode
2-3 close Center/Bass channel in inverse mode
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