PCI\VEN_14E4&DEV_16A7

NetXtreme BCM5703X Gigabit Ethernet driver

PCI\VEN_14E4&DEV_16A7 is the Broadcom Inc. and subsidiaries NetXtreme BCM5703X Gigabit Ethernet, an Ethernet device. Without it the wired port shows as an Ethernet Controller under Other devices and the cable does nothing. Get it from Windows Update or your PC maker first; the chip maker's own package is on support.microsoft.com.

Device details

Hardware IDPCI\VEN_14E4&DEV_16A7
Device nameNetXtreme BCM5703X Gigabit Ethernet
MakerBroadcom Inc. and subsidiaries (PCI vendor ID 14E4)
Device typeEthernet
Driver guideFind the right Ethernet driver
Known OEM variants7

PCs and boards that use this chip

Each line is a subsystem ID: the full hardware ID ends in SUBSYS_ plus these eight characters when the NetXtreme BCM5703X Gigabit Ethernet is built into that maker's product.

Full hardware ID endingMakerProduct
SUBSYS_00CA0E11Compaq Computer CorporationNC7771 Gigabit Server Adapter (PCI-X, 10,100,1000-T)
SUBSYS_00CB0E11Compaq Computer CorporationNC7781 Gigabit Server Adapter (PCI-X, 10,100,1000-T)
SUBSYS_026F1014IBMeServer xSeries server mainboard
SUBSYS_000914E4Broadcom Inc. and subsidiariesNetXtreme BCM5703 1000Base-T
SUBSYS_000A14E4Broadcom Inc. and subsidiariesNetXtreme BCM5703 1000Base-SX
SUBSYS_000B14E4Broadcom Inc. and subsidiariesNetXtreme BCM5703 1000Base-T
SUBSYS_800A14E4Broadcom Inc. and subsidiariesNetXtreme BCM5703 1000Base-T

If your SUBSYS matches a laptop or board maker in this list, that maker's support page has the version tested for your model.

How to install the driver for NetXtreme BCM5703X Gigabit Ethernet

  1. Confirm the ID. In Device Manager, right-click the device, open Properties, then Details, and pick Hardware Ids. The first line should start with PCI\VEN_14E4&DEV_16A7.
  2. Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Network drivers may appear here once another connection works, such as Wi-Fi or a phone hotspot.
  3. Check your PC maker. Enter your model or serial number on its support site and look under Networking or LAN.
  4. Use the chip maker's package. Update drivers through Device Manager in Windows (Microsoft) on support.microsoft.com. Our find the right ethernet driver guide explains which package fits.
  5. Restart and check. Plug in the cable and check that Windows shows a wired connection.

Other Broadcom ethernet IDs

Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.