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Which version of Windows 95 supports AGP?

Picture of the ATI Radeon 9600 video cardThe original releases of Windows 95: build 950 and build 950A (Windows 95 with Service Pack 1) do not support AGP functionality. However, an AGP display adapter will function in these versions of Windows 95 in the same manner as a PCI based display adapter.

Windows 95 OEM Service Release 2 (OSR2 version 1111 or 950B) can be updated to support AGP display adapter by applying the USB SUPPLEMENT to OSR2; the USB Supplement (USBSUPP.EXE). When applying this patch or purchasing Windows 95 with this patch, your version of Windows 95 is Windows 95 version 4.00.900 C.

If your OEM (Original Equipment Manufacturer) has upgraded Windows 95 B at the factory, USBSUPP.EXE should be located in the \OTHER\USB directory of the Windows 95 CD.

Additional information

  • See the Windows versions page for a list of different Windows 95 versions and how to determine your versions of Windows.
  • See our AGP definition for further information on this term and related links.