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What is scatter/ gather. I am making a frame grabber with DMA.

To: <pci-sig@znyx.com>
Subject: What is scatter/ gather. I am making a frame grabber with DMA.
From: "Support@PixelSmart.com" <support@pixelsmart.com>
Date: Fri, 17 May 2002 17:16:01 -0400
Reply-To: "Support@PixelSmart.com" <support@pixelsmart.com>
Resent-Date: Fri, 17 May 2002 14:54:49 -0700
Resent-From: pci-sig@znyx.com
Resent-Message-ID: <XoPhjD.A.4F.pbX58@electra>
Resent-Sender: pci-sig-request@znyx.com

Hello,

I am making a frame grabber with DMA. I assumed I could write 256K to one contiguous address. Then I leared a little bit about scatter gather. What is it and how does it limit my 256K image capture ?

Sincerely
Daniel

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