Agere Systems LU97 (Scorpio)

Chipset data:

Agere Systems formerly Lucent Technologies, datasheet
AC-Link soft modem for modem riser or modem daughter cards
Linux support
Agere/Lucent has not released a Linux driver for the LU97 chipset
  LU97 = CSP1037 + CSP1037A/B

  CSP1037      AC'97 interface              16-pin SOIC
  CSP1037A/B   telephone line interface     16-pin SOIC
Typical application
Daughterboard with Agere Scorpio chipset
Photo by Florian Lohoff
Rob Clark