This is the IO Circuit Board with VGA, Audio port, RJ-45 ethernet port, and one USB port that connects to the E6420 Motherboard with integrated Intel Video (UMA).
Compatible Dell Laptops/Notebooks:
Latitude E6420 (with integrated Intel Video ONLY)
DPN: 157H2
**This I/O board is compatible ONLY with E6420 systems with the Integrated Intel Video Graphics (UMA). Match your part number, or give us a call,if you're not sure which product to purchase.