IBM THINKPAD S05L-1270-01 - Manual (Page 288)

Thick-Type Models (Other Models and 760E)
When replacing:
1. The following figure shows the microphone cable
routing for models 760XL/760XD.
2. When replacing the DSP card or the audio (ESS)
card, make sure that the connector on the card is not
loose. If the connector does not connect properly, no
sound will be produced.
276 IBM Mobile Systems HMM