Re: Sandisk Compact Flash

Michael Krufky
2005-07-16T07:06:10Z

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