S3 Graphics ProSavageDDR, will it support "overlay"?

[pilgrim2u]

S3 Graphics ProSavageDDR, will it support "overlay"?

I have a compaq 6000z. I am using the onboard memory as my video. I have 1 gig of memory.
" [Display adapter]....S3 Graphics ProSavageDDR

http://www.hauppauge.com/html/wintvpvr250_datasheet.htm


I just bought this WinTV-PVR-250 .

It wants to know if my video card supports "overlay"

What is overlay?

Will my video work?????
I do not want to open the package if I need to return it

Thanks all

This came from the FAQ.
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System Requirements:

Processor requirements:
Pentium® II processor 600MHz or faster for TV pause with full screen playback
Windows®98SE (Second Edition), Windows® Millennium Edition, Windows2000 and WindowsXP.
Free PCI slot
Sound card
CD-RW writer (optional for burning Video CD?s)
VGA card (PCI or AGP) which supports video overlay (NVidia, S3, ATI, etc.)