PCI\VEN_8086&DEV_51EF
Alder Lake PCH Shared SRAM driver
PCI\VEN_8086&DEV_51EF is the Intel Corporation Alder Lake PCH Shared SRAM, a chipset device. It is a platform part of the chipset or processor. Windows usually works without its named driver, but the chipset package gives it the right name and power settings. Get it from Windows Update or your PC maker first; the chip maker's own package is on intel.com.
Device details
| Hardware ID | PCI\VEN_8086&DEV_51EF |
|---|---|
| Device name | Alder Lake PCH Shared SRAM |
| Maker | Intel Corporation (PCI vendor ID 8086) |
| Device type | Chipset |
| Driver guide | Get the Intel chipset driver |
| Latest official package | Intel Chipset Device Software (SetupChipset.exe) 10.1.20658.8883, January 8, 2026 |
| Known OEM variants | 2 |
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 Alder Lake PCH Shared SRAM is built into that maker's product.
| Full hardware ID ending | Maker | Product |
|---|---|---|
SUBSYS_0B101028 | Dell | Precision 3571 |
SUBSYS_0C061028 | Dell | Precision 3580 |
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 Alder Lake PCH Shared SRAM
- 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_51EF. - Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Chipset INF updates sometimes appear here.
- Check your PC maker. Enter your model or serial number on its support site and look under Chipset.
- 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.
- Restart and check. Device Manager should list it under System devices with its proper name.
Other Intel chipset IDs
VEN_8086&DEV_51BBAlder Lake-P PCH PCIe Root Port #4VEN_8086&DEV_51BCAlder Lake PCI Express x4 Root Port #5VEN_8086&DEV_51BDAlder Lake-P PCH PCIe Root Port #6VEN_8086&DEV_51BFAlder Lake PCH-P PCI Express Root Port #9VEN_8086&DEV_51FCAlder Lake-P Integrated Sensor HubVEN_8086&DEV_530D80310 (IOP) IO ProcessorVEN_8086&DEV_5481Alder Lake-N PCH eSPI ControllerVEN_8086&DEV_54A0Alder Lake-N P2SB Bridge
Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.