DriverCove

Pericom - Bus Controllers and Ports - Pericom PI7C9X7951 PCI Express UART Device (1 ports) Driver 1.1.918.2009

by Pericom8.187XP64-bit32-bitSHA-256 verified

Manufacturer
Pericom
Device
Pericom - Bus Controllers and Ports - Pericom PI7C9X7951 PCI Express UART Device (1 ports)
Driver version
1.1.918.2009
Release date
September 18, 2009
Supported Windows
Windows 8.1, Windows 8, Windows 7, Windows XP
Architecture
64-bit (x64), 32-bit (x86)
File size
94 KB
File name
20306616_ff46ed7557910df48a18372e78cf60156ed24711.cab
Digital signature
Signed - catalog ptlser.cat
INF version
09/18/2009,1.01.0918.2009
INF provider
Pericom
Device class
MultiPortSerial
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
bf202c71a877d9c8426f1d01338dbde667db6da80628df950aacbdf7cddf3075

Supported hardware IDs (38)

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

  1. Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
  2. Verify compatibility: your Windows version (Windows 8.1, Windows 8, Windows 7, Windows XP) and architecture (x64, x86)must match this driver, and your device's Hardware ID should appear in the list above.
  3. Download the file using the button - it comes directly from Microsoft Update Catalog.
  4. Optionally verify the checksum: open PowerShell, run Get-FileHash your-download.cab -Algorithm SHA256 and compare with the SHA-256 above.
  5. Extract the .cab archive: right-click → Extract All, or run expand -F:* file.cab C:\driver\ in Command Prompt.
  6. 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.
  7. 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).