Not sure which order the audio conectors go on

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hi all i hope you will help im trying to put a new asrock (p4i65g model) mother board into a new hi point atx tower im stuck as the audio ac 97 wires on the motherboard are not labled the same on the tower conectors please can some one help .........
the mother board says 1. gnd 2. backout r 3. backout L
4. mic 5. mic power 6. aud out r 7. gnd 8. aud out L
the atx tower says
1. ret L 2. ret R 3. spk out L 4. spk out R 5. ground 6. mic bias 7. mic in
i hope this makes sence and some one will help me convert them so i can tell which order they go in . thanks to all that help

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