Thanks Jamie for this who just got word that 3Dcenter.de have posted the DirectX 9,0 control panel for Windows 98/ME/2000/XP!
RELEASE NOTES
The directx v9.0 control panel changes properties for directx.
Now works with microsoft directx v9.0 release.
INSTALL NOTES
Put the directx.cpl file in your system32 folder, then open up the control panel in Windows to see/use it.
System Requirements
Supported Operating Systems: Windows 98/ME/2000/XP
Download: DirectX 9,0 Control Panel | Mirror (Neowin) Version: 9.000.0900 (58 KB)
News Source: 3DCenter