New Laptop IC ENE KB3940Q A1 KB3940QA1 I/O Controller TQFP-128

Product Description

The ENE KB3940Q A1 / KB3940QA1 I/O Controller IC is a replacement Embedded Controller (EC) / Super I/O controller used in compatible laptop motherboard circuits. It is supplied in a 128-pin TQFP package and is designed for motherboard-level repair and replacement.

The KB3940Q A1 is commonly identified by markings such as KB3940Q, KB3940QA1 and KB3940. Because laptop EC chips are programmed/configuration-dependent, the exact motherboard compatibility and firmware requirements should be verified before replacement.

Warranty Details

Warranty: No Warranty

Important Note:-

• Please compare the original IC marking with KB3940Q A1 / KB3940QA1 before ordering.

• Verify the 128-pin TQFP package and physical dimensions before purchase.

• This is a laptop motherboard I/O/EC controller IC, not a complete motherboard.

• The exact EC version must match the motherboard circuit.

• Some embedded-controller ICs may require appropriate firmware/programming after installation, depending on the motherboard design.

• Do not replace the IC solely because it has a similar appearance or pin count.

• Check the motherboard schematic or boardview when available before replacement.

• Professional BGA/SMD rework or fine-pitch soldering equipment may be required.

• Incorrect installation, orientation or soldering can permanently damage the IC or motherboard.

• Check the pin-1 orientation carefully before installation.

• The IC is supplied as a component only; motherboard, programming equipment and other components are not included.

• Payment will be refunded if the product is out of stock.

• Immediate replacement will be provided if there are any functionality problems.

• Warranty will be void in case of physical damage, incorrect installation or soldering damage.

• The product image is for reference and actual IC marking may vary slightly.

FAQs

1. What is KB3940Q A1?
KB3940Q A1 / KB3940QA1 is an ENE laptop motherboard I/O/embedded-controller IC used in compatible motherboard circuits.

2. What is the package of KB3940QA1?
The product is specified as a 128-pin TQFP IC.

3. Is KB3940Q used on laptop motherboards?
Yes. The KB3940 family is used as an embedded/I/O controller component in laptop motherboard designs.

4. Does this IC need programming after replacement?
Depending on the specific laptop motherboard, an EC replacement may require the correct firmware or programming. Verify the motherboard requirements before installation.

5. How can I confirm compatibility?
Compare the complete KB3940Q A1 / KB3940QA1 marking, 128-pin TQFP package, pin-1 orientation and motherboard circuit with the original IC before purchasing.