Internal audio cables.

 HD / AC'97  audio cable.  2.54mm pitch
HD / AC'97 motherboard audio cable. 2.54mm pitch

HD / AC'9 motherboard audio cable  extension  2.54mm pitch
HD / AC'9 audio cable extension 2.54mm pitch

RCA connector to 2.54mm pitch single pin connectors.
RCA Audio Input/Output cables. 4xRCA to 6 single 2.54mm pitch connectors.