IBM PC MMX Pentium HS-4500, Manual, Page: 31 / 51

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3.11 Connectors of the on-board Sound Adapter
The HS-4500 has an on-board ESS
®
Solo-1 3D sound interface. The
following are the connectors of AUXA, AUXB and MIC/SPEAKER
connectors.
The AUXA and AUXB connectors are for audio sound input. The AUXA
provides for 4-pin connection, and AUXB provides for 3-pin connection.
z
JP3 : AUXA Connector
PIN NO. DESCRIPTION
1 AUXAL
2 GND
3 AUXAR
4 GND
z
JP4 : AUXB Connector
PIN NO. DESCRIPTION
1 AUXAL
2 GND
3 AUXAR
z
JP18 : MIC/SPEAKER Connector
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 AOUTL Red 2 AOUTR White
3 GND Black 4 GND Key
5 MIC Red 6 N.C. White
7 GND Black 8 GND Key
With MIC/SPEAKER cable, user may connect R/L Speaker to the
AOUTL and AOUTR pins of JP18, and connect Microphone to the MIC
pin of JP18.