Difference between revisions of "CDC slot"

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The Communications Daughter Card slot (CDC) in IBM literature or Modem Daughter Card slot (MDC) in Intel's standards, is the mobile version of the Audio/Modem Riser slot. There are two known implementations of this slot, featuring different connectors for different platforms.
 
The Communications Daughter Card slot (CDC) in IBM literature or Modem Daughter Card slot (MDC) in Intel's standards, is the mobile version of the Audio/Modem Riser slot. There are two known implementations of this slot, featuring different connectors for different platforms.
  
The Hirose DF12(5.0)-40DP-0.5V(86) connector is used on ThinkPads with an AC'97 audio codec, while the TE Connectivity 1-1775149-2 connector is used on ThinkPads with a HD Audio codec. These connectors may or may not be proprietary, although the Hirose connector is proprietary as it does not adhere to Intel's MDC standard, which specifies a TE Connectivity 3-179397-0 connector instead.
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The Hirose DF12(5.0)-40DP-0.5V(86) connector is used on ThinkPads with an AC'97 audio codec, while the TE Connectivity 1-1775149-2 connector is used on ThinkPads with a HD Audio codec. Something worth to note is that all AC'97 ThinkPads with a CDC slot, do not adhere to Intel's MDC standard. This is due to how it uses a proprietary Hirose connector, instead of the specified TE Connectivity 3-179397-0 connector.
 
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{{footnotes|
[http://en.wikipedia.org/wiki/Mobile_Daughter_Card Wikipedia article on CDC]
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[http://en.wikipedia.org/wiki/Mobile_Daughter_Card Wikipedia article on the CDC slot]
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* [[ThinkPad Modem (MDC-3.0, 56kbps HDA)]]
 
* [[ThinkPad Modem (MDC-3.0, 56kbps HDA)]]
  
==== Combo Modem and Bluetooth CDCs ====
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==== Modem and Bluetooth Combination CDCs ====
 
* [[IBM Integrated Bluetooth II with 56K Modem (BMDC)]]
 
* [[IBM Integrated Bluetooth II with 56K Modem (BMDC)]]
 
* [[IBM Integrated Bluetooth III with 56K Modem (BMDC-2)]]
 
* [[IBM Integrated Bluetooth III with 56K Modem (BMDC-2)]]
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*{{X60}}, {{X60s}}, {{X60 Tablet}}, {{X61}}, {{X61s}}, {{X61 Tablet}}
 
*{{X60}}, {{X60s}}, {{X60 Tablet}}, {{X61}}, {{X61s}}, {{X61 Tablet}}
 
*{{R60}}, {{R60i}}, {{R60e}}, {{R61}}, {{R61i}}, {{R400}}
 
*{{R60}}, {{R60i}}, {{R60e}}, {{R61}}, {{R61i}}, {{R400}}
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*{{G50}}
 
*{{Z Series}}
 
*{{Z Series}}
  
 
[[Category:Components]]
 
[[Category:Components]]

Latest revision as of 14:12, 14 February 2020

AC97CDCSlot.png HDACDCSlot.png

CDC slot

The Communications Daughter Card slot (CDC) in IBM literature or Modem Daughter Card slot (MDC) in Intel's standards, is the mobile version of the Audio/Modem Riser slot. There are two known implementations of this slot, featuring different connectors for different platforms.

The Hirose DF12(5.0)-40DP-0.5V(86) connector is used on ThinkPads with an AC'97 audio codec, while the TE Connectivity 1-1775149-2 connector is used on ThinkPads with a HD Audio codec. Something worth to note is that all AC'97 ThinkPads with a CDC slot, do not adhere to Intel's MDC standard. This is due to how it uses a proprietary Hirose connector, instead of the specified TE Connectivity 3-179397-0 connector.


FOOTNOTES [Δ]

Overview

Not all CDCs will work in compatible ThinkPads, even if they are using the same connector. This is due to a different electrical pin-out, which varies among ThinkPads. Some might even reject a pin-compatible CDC by displaying an 'Error 1803: Invalid Daughter Card' message.

Note that all AC'97 CDCs are approximately 45 x 27 mm, and all HD Audio CDCs are approximately 34 x 26 mm.

Ethernet CDCs

Bluetooth CDCs

Modem CDCs

Modem and Bluetooth Combination CDCs

Models featuring this technology

with an AC'97 CDC slot

with two AC'97 CDC slots

with a HD Audio CDC slot