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Flat orange 40-pin ribbon cable with blue connectors

DELL

DELL Chromebook 11 5190 40pin Daughter IO Board Cable N3JJT

SKU CH-06W2-355DA

40-pin ribbon cable linking the USB daughterboard to the motherboard in a Dell Chromebook 11 5190

  • Genuine Dell OEM part ensures exact fit for Chromebook 11 5190
  • 40-pin ribbon cable connects USB daughterboard to motherboard
  • One of two required cables — this listing covers the 40-pin version only
  • Dell part number N3JJT matches service documentation
  • New condition guarantees reliable replacement for damaged cable

Genuine Dell OEM Ribbon Cable

This is a genuine Dell OEM 40-pin ribbon cable that connects the USB daughterboard to the motherboard in the Chromebook 11 5190 laptop. It is the specific 40-pin cable required for that connection, distinct from the second cable also used by the USB board. The part number is N3JJT.

40-Pin Connector Specification

The single specification that determines fit is the 40-pin connector configuration matching the daughter IO board on the Chromebook 11 5190. Using a cable with a different pin count will prevent the USB ports from functioning. Verify the existing cable is the 40-pin version before ordering.

Suits Chromebook 11 5190 Repair

This part suits technicians or owners repairing the USB board connection on a Dell Chromebook 11 5190. It is not for buyers needing the second cable that also attaches to the daughter IO board, nor for any other laptop model or generation.

Highlights

  • Genuine Dell OEM part ensures exact fit for Chromebook 11 5190
  • 40-pin ribbon cable connects USB daughterboard to motherboard
  • One of two required cables — this listing covers the 40-pin version only
  • Dell part number N3JJT matches service documentation
  • New condition guarantees reliable replacement for damaged cable

Specifications

BrandDell

Questions about this item

What does the 40-pin count mean when I install this cable in my Chromebook 11 5190?

The 40-pin ribbon cable carries all data and power lines between the USB daughterboard and the motherboard, so every port on that board works once the connector is seated.

Which interface standard does the 40-pin connector follow, and what does that limit in practice?

It uses a proprietary Dell 40-pin FFC interface designed only for the Chromebook 11 5190, so it cannot be used with any other laptop or daughterboard.

What physical space and mounting points does this cable need inside the Chromebook 11 5190?

The flat flexible cable routes directly between the USB daughterboard and the motherboard, using the existing 40-pin connectors on both boards with no extra brackets or screws required.

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