Modem Daughter Card (MDC)

This is a Modem Daughter Card (MDC) which is installed in a CDC (Communications Daughter Card) slot.
This slot is sometimes also refered to as a MDC (Mobile Daughter Card) slot.

Chipset: Ambit (formerly Lucent Microelectronics)
IBM FRU PN: 91P7657, 26P8477, 26P8256

Also known (in IBM literature) as....

• CDC Modem Card
• V.90 Modem Daughter Card (MDC)
• Modem Card, Ambit
• Ambit Modem Daughter Card

Linux driver

The Linux driver from SmartLink may work.
Latest version of this driver is 2.9.10 and supports both the 2.4 and 2.6 kernels

ThinkPad's this card may be found in

• A30, A30p, A31, A31p
• G40, G41
• R30, R31, R32
• R40, R40e
• R50, R50p
• T30
• T40, T40p, T41, T41p
• X30, X31