This driver download is available for Windows PCs.
Official Sources
Mirror
Driverscape
source catalog
At a Glance
DeviceSiS M661MX
VendorSis
Supported OSWindows 10, 8.1, 7, Vista, XP
SafetyScanned, malware-free
LicenseFree
No Registration Required
Download free — no signup, no account, no waiting
The SiS M661MX driver helps Windows communicate with the integrated graphics hardware in systems built around this legacy SiS chipset. If you have reinstalled Windows, lost your original driver disc, or are seeing limited display resolutions, installing a compatible graphics driver may restore the display options your computer supports.
Key Features
- Hardware recognition: Helps Windows identify the SiS graphics hardware instead of relying solely on a generic display driver.
- Display configuration: Provides access to resolutions, color settings, and refresh rates supported by your graphics hardware and monitor.
- Graphics acceleration: Enables hardware-supported graphics functions when available in the selected driver and operating system.
- Legacy system support: Helps maintain older desktops and notebooks that require a chipset-specific graphics package.
How to Install SiS M661MX Driver
- Check your hardware and Windows version. Open Device Manager, locate the graphics adapter under Display adapters, and check its hardware IDs if the model is unclear. Confirm whether your Windows installation is 32-bit or 64-bit.
- Choose a compatible package. Before starting your SiS M661MX driver download for Windows, check the package details against your system. For Windows 10, 8.1, 7, Vista, or XP, compatibility must be confirmed for the individual driver; one package should not be assumed to support every version.
- Download and prepare the files. Select the latest version that explicitly supports your hardware and operating system—not simply the newest file listed. If choosing a free download, use a trusted source, scan the archive, and extract it if necessary.
- Install the driver. Run the included installer and follow its prompts. If the package has no installer, open Device Manager, select Update driver for the graphics adapter, and browse to the extracted driver folder.
- Restart and verify. Restart your computer, check Device Manager for warnings, and confirm that the intended display resolution is available. If problems appear, use Roll Back Driver where available.
Keep your graphics driver updated when a compatible release addresses a problem you are experiencing. For Windows 10/11, do not assume this legacy hardware has official driver support; verify the package’s stated compatibility before attempting an update, and avoid forcing an unsupported installation. A stable, compatible driver is usually a better choice than an unverified newer one.
Driver Details
| Device | SiS M661MX |
|---|---|
| Vendor | Sis |
| Category | GPU |
| Supported OS | Windows 10, 8.1, 7, Vista, XP |
| Published | November 3, 2026 |
| Updated | November 3, 2026 |
This driver download is available for Windows PCs.