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Hardware Hacking

Submission + - Most CF cards fail dma transfers (linuxdevices.com)

Anomalyst writes: In his quest to create an open source video camara Andrey Filippov of elphel.com has determined tha most Compact Flash devices, although indicating the are DMA capable to the system, do not perform Direct Memory Access transfers correctly, this means successful movement of data to/from the device takes much more slowly with DMA disabled.
http://linuxdevices.com/articles/AT5102023409.html

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Most CF cards fail dma transfers

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