IBM L70 External Connectors, Internal Connectors, PC/PCI Legacy Audio SIDEBAND SIGNAL connector

1.	External Connectors:
J1:	. . . . . . . . . . . . Ø 3.5mm Phone Jack for MIC IN
J2:	. . . . . . . . . . . . Ø 3.5mm Phone Jack for LINE IN
J3:	. . . . . . . . . . . . Ø 3.5mm Phone Jack for LINE OUT
J4:	. . . . . . . . . . . . Ø 3.5mm Phone Jack for SPEAKER OUT
J5:	. . . . . . . . . . . . Connector for MIDI/JOYSTICK

2.	Internal Connectors:
J10:	. . . . . . . . . . . . CD-AUDIO IN (ATAPI type) Connector
J11:	. . . . . . . . . . . . CD-AUDIO IN (JST type) Connector
J13:	. . . . . . . . . . . . TAD (Telephony Audio Device) connector for Voice Modem
J16:	. . . . . . . . . . . . PC/PCI Legacy Audio SIDEBAND SIGNAL connector
J19:	. . . . . . . . . . . . PC SPEAKER IN connector
J21:	. . . . . . . . . . . . INTERNAL SPEAKER OUT connector

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