BCM4309 802.11abg Wireless Network Controller Driver 4.170.25.17
by Broadcom764-bit32-bitSHA-256 verified
- Manufacturer
- Broadcom
- Device
- BCM4309 802.11abg Wireless Network Controller
- Driver version
4.170.25.17- Release date
- October 12, 2007
- Supported Windows
- Windows 7
- Architecture
- 64-bit (x64), 32-bit (x86)
- File size
- 2.8 MB
- File name
20115093_69f18cac09489e3b4ec6159c7f7d9cf7d086068a.cab- Digital signature
- Signed - catalog
BCM43XX.CAT - INF version
10/12/2007, 4.170.25.17- INF provider
- Broadcom
- Device class
- Net
- Source
- Microsoft Update Catalog
- Last verified
- July 7, 2026
- SHA-256
95ac342e9795e71585269a0e98e55e9ea80276c3e7ce7531d155535c6513de5b
Supported hardware IDs (22)
- PCI\VEN_14E4&DEV_4312&SUBSYS_135F103C
- PCI\VEN_14E4&DEV_4311&SUBSYS_1375103C
- PCI\VEN_14E4&DEV_4311&SUBSYS_1376103C
- PCI\VEN_14E4&DEV_4311&SUBSYS_1377103C
- PCI\VEN_14E4&DEV_4312&SUBSYS_1370103C
- PCI\VEN_14E4&DEV_4312&SUBSYS_1371103C
- PCI\VEN_14E4&DEV_4312&SUBSYS_1372103C
- PCI\VEN_14E4&DEV_4312&SUBSYS_1373103C
- PCI\VEN_14E4&DEV_4311&SUBSYS_1374103C
- PCI\VEN_14E4&DEV_4328&SUBSYS_1366103C
- PCI\VEN_14E4&DEV_4328&SUBSYS_1367103C
- PCI\VEN_14E4&DEV_4328&SUBSYS_1368103C
- PCI\VEN_14E4&DEV_4328&SUBSYS_1369103C
- PCI\VEN_14E4&DEV_4320&SUBSYS_12F8103C&REV_03
- PCI\VEN_14E4&DEV_4320&SUBSYS_12FA103C&REV_03
- PCI\VEN_14E4&DEV_4320&SUBSYS_12FB103C&REV_03
- PCI\VEN_14E4&DEV_4324&SUBSYS_12F9103C&REV_03
- PCI\VEN_14E4&DEV_4324&SUBSYS_12FC103C&REV_03
- PCI\VEN_14E4&DEV_4315&SUBSYS_137C103C
- PCI\VEN_14E4&DEV_4315&SUBSYS_137D103C
- PCI\VEN_14E4&DEV_4320&SUBSYS_00E70E11&REV_03
- PCI\VEN_14E4&DEV_4320&SUBSYS_12F4103C&REV_03
Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.
How to install
- Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
- Verify compatibility: your Windows version (Windows 7) and architecture (x64, x86)must match this driver, and your device's Hardware ID should appear in the list above.
- Download the file using the button - it comes directly from Microsoft Update Catalog.
- Optionally verify the checksum: open PowerShell, run
Get-FileHash your-download.cab -Algorithm SHA256and compare with the SHA-256 above. - Extract the .cab archive: right-click → Extract All, or run
expand -F:* file.cab C:\driver\in Command Prompt. - Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run
pnputil /add-driver C:\driver\*.inf /install. - Check Device Manager: the device should show no warning icons, and the driver version should match.
How to roll back
If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).
Other versions of this driver
| Version | Released | Source |
|---|---|---|
| 5.10.38.26 | October 22, 2008 | Microsoft Update Catalog |
| 5.10.38.26 | October 22, 2008 | Microsoft Update Catalog |
| 5.30.21.0 | October 1, 2008 | Microsoft Update Catalog |
| 5.30.21.0 | October 1, 2008 | Microsoft Update Catalog |
| 4.170.77.3 | March 21, 2008 | Microsoft Update Catalog |
| 4.170.25.17 | October 12, 2007 | Microsoft Update Catalog |
| 4.100.15.5 | October 12, 2006 | Microsoft Update Catalog |
| 4.100.15.5 | October 12, 2006 | Microsoft Update Catalog |
| 0.0.0.0 | December 17, 2005 | Microsoft Update Catalog |
| 0.0.0.0 | November 2, 2005 | Microsoft Update Catalog |
| 0.0.0.0 | April 21, 2005 | Microsoft Update Catalog |
| 0.0.0.0 | September 27, 2002 | Microsoft Update Catalog |