PCI\VEN_8086&DEV_0333
80332 I/O processor (B-Segment IOAPIC) driver
PCI\VEN_8086&DEV_0333 is the Intel Corporation 80332 I/O processor (B-Segment IOAPIC), 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_0333 |
|---|---|
| Device name | 80332 [Dobson] I/O processor (B-Segment IOAPIC) |
| 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 |
How to install the driver for 80332 I/O processor (B-Segment IOAPIC)
- 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_0333. - 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_032C6702PXH PCI Express-to-PCI Bridge AVEN_8086&DEV_033080332 I/O processor (A-Segment Bridge)VEN_8086&DEV_033180332 I/O processor (A-Segment IOAPIC)VEN_8086&DEV_033280332 I/O processor (B-Segment Bridge)VEN_8086&DEV_033480332 I/O processor (ATU)VEN_8086&DEV_033580331 I/O processor (PCI-X Bridge)VEN_8086&DEV_033680331 I/O processor (ATU)VEN_8086&DEV_034041210 Serial to Parallel PCI Bridge (A-Segment Bridge)
Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.