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Windows 7: PCMCIA Access Kills Performance

26 May 2010   #1

Windows 7 x64 RC1
PCMCIA Access Kills Performance


I recently got a PCMCIA CF Card reader for my laptop. I'm running Win 7 64bit and whenever I try to read or write files to my CF card the system slows to a crawl, with the cursor dragging across the screen and applications not responding etc. The processor jumps to 50-100% and the system generally slows to a complete crawl until I kill explorer as cancelling the file transfer has no effect.

The CF card is a Sandisk one rated to 20MB/s and works very well in my camera, easily writing 10MB+ RAW files even when shooting rapidly.

If anyone has any thoughts or experience with poor PCMCIA performance in Win 7 it would be very much appreciated. For reference my laptop is an Asus G1 (2ghz C2D, 4gb ram) with a Ricoh R/RL/SC476 controller.


My System SpecsSystem Spec


 PCMCIA Access Kills Performance

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