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DELL

DELL Precision 7740 Palmrest Junction Board Ribbon Cable A18A94

SKU CH-VVWF-QQN11

Genuine Dell OEM ribbon cable linking the palmrest junction board to the motherboard on Precision 7740 laptops

  • Genuine Dell OEM part ensures exact fit for Precision 7740
  • Connects palmrest junction board to motherboard restoring full functionality
  • Replaces Dell part number A18A94 for direct compatibility
  • Alternate numbers EDA70 and NBX0002H600 cross-reference for easy ordering
  • New condition guarantees reliable performance from first installation

Precision 7740 Palmrest Junction Cable

This genuine Dell OEM ribbon cable connects the palmrest junction board to the motherboard in the Precision 7740 laptop. It carries the Dell part number A18A94 and alternates EDA70 and NBX0002H600. The part is supplied new and matches the component shown in the supplier image. ||

Compatibility Limited to Precision 7740

The cable is designed exclusively for the Dell Precision 7740 model. It will not fit other Precision series laptops or any other Dell notebook lines. Buyers with different workstation models must source the correct part for their specific chassis. ||

Direct Board-to-Board Connection

No additional brackets, screws or software drivers are included or required for installation. The ribbon simply links the palmrest-mounted junction board to the mainboard, restoring the electrical path for integrated palmrest functions. Professional fitting is recommended due to the internal routing.

Highlights

  • Genuine Dell OEM part ensures exact fit for Precision 7740
  • Connects palmrest junction board to motherboard restoring full functionality
  • Replaces Dell part number A18A94 for direct compatibility
  • Alternate numbers EDA70 and NBX0002H600 cross-reference for easy ordering
  • New condition guarantees reliable performance from first installation

Specifications

BrandDell

Questions about this item

What does the A18A94 part number mean once the cable is installed in a Precision 7740?

The A18A94 cable carries signals between the palmrest junction board and the motherboard so that the power button, fingerprint reader and other palmrest controls function correctly.

What interface does this ribbon cable use and what does it limit in practice?

It uses a proprietary flat-flex connector keyed for the Precision 7740 palmrest junction board, limiting use to that exact board-to-motherboard link.

What physical space or mounting points does this cable need to fit a Precision 7740?

The cable follows the factory routing channel under the palmrest and plugs into the junction board and motherboard headers without additional brackets or screws.

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