Core Processor PCI Express x16 Root Port driver

Device details

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 Core Processor PCI Express x16 Root Port is built into that maker's product.

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 Core Processor PCI Express x16 Root Port

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_8086&DEV_0045.
2. Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Chipset INF updates sometimes appear here.
3. Check your PC maker. Enter your model or serial number on its support site and look under Chipset.
4. Use the chip maker's package. Intel Chipset Device Software (SetupChipset.exe) on intel.com. Our get the intel chipset driver guide explains which package fits.
5. Restart and check. Device Manager should list it under System devices with its proper name.

Other Intel chipset IDs

• VEN_8086&DEV_0040 Core Processor DRAM Controller
• VEN_8086&DEV_0041 Core Processor PCI Express x16 Root Port
• VEN_8086&DEV_0043 Core Processor Secondary PCI Express Root Port
• VEN_8086&DEV_0044 Core Processor DRAM Controller
• VEN_8086&DEV_0047 Core Processor Secondary PCI Express Root Port
• VEN_8086&DEV_0048 Core Processor DRAM Controller
• VEN_8086&DEV_0049 Core Processor PCI Express x16 Root Port
• VEN_8086&DEV_004B Core Processor Secondary PCI Express Root Port