Does my graphics card support microsoft directx 9

"The DirectX Diagnostic Tool is designed to help you troubleshoot DirectX-related issues.

The default installation folder for Dxdiag.exe for Microsoft Windows 2000 and Microsoft Windows XP is:
C:\Windows\System32
To start the DirectX Diagnostic Tool, click Start, click Run, type dxdiag in the Open box, and then click OK.

The following list contains a description of each tab in the DirectX Diagnostic Tool dialog box.
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System
The System tab provides system information about your computer and specifies the version of DirectX that is installed on your computer."

source http://support.microsoft.com/kb/190900

If it's a newer Graphics card. It will certainly support DX9.

Can you please give us more information on the type of graphics card you are useing?