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David Hinds wrote: >On Wed, Jul 13, 2005 at 07:04:38PM +0530, somshekar.c.kadam@in.abb.com wrote: > > >>I ma newbie to compactflash driver , I am using mpc862 PPC processor >>on my custom board having 64mb ram running linuxppc-2.4.18 kernel . >>i am using Sandisk Extreme CF 1GB which is 133x high speed, but >>found the performance with other kingston 1GB CF with slower speed , >>is both same , CF is implemented on pcmcia port , i am not sure what >>is the mode set for transfer , Feature set command is used in which >>it sets the PIO mode or Multiword DMA transfer mode by specifying >>its value in Sector count register , i am not able to understand in >>linux kernel ide driver where this is set , is it by default set , >>this mode is set or we need to set it , i think we should assign >>this value , right now i am not able to trace this in my code. , >> >> >It sounds like your card reader is one of the slow 16-bit ones. > I recommend picking up a CF-to-IDE adapter, such as this: http://www.acscontrol.com/Index_ACS.asp?Page=/Pages/Products/CompactFlash/IDE_To_CF_Adapter.htm ...It works great for me! There are a bunch of companies selling these... Google "cf ide adapter". -- Michael Krufky - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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