DriverCove

Pericom - Other hardware - Pericom PI7C9X7952 PCI Express UART Device (2 ports) Driver 1.2.803.2015

by Pericom8.18764-bit32-bitSHA-256 verified

Manufacturer
Pericom
Device
Pericom - Other hardware - Pericom PI7C9X7952 PCI Express UART Device (2 ports)
Driver version
1.2.803.2015
Release date
August 3, 2015
Supported Windows
Windows 8.1, Windows 8, Windows 7
Architecture
64-bit (x64), 32-bit (x86)
File size
111 KB
File name
20760693_69fdd9f8d3c8f891b9fc4935733ad390d62974ca.cab
Digital signature
Signed - catalog ptlser.cat
INF version
08/03/2015,1.02.0803.2015
INF provider
Pericom
Device class
MultiPortSerial
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
d6d5622deb87a5bf02b2ccaf72b41fc8437ecf9507fd1c4aaa581fa058a64d8b

Supported hardware IDs (40)

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) 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).