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To:	ekta25rawat AT gmail DOT com
Subject:	Re: EPCS replaced by EPCQ Error (with Cyclone III FPGA)
References:	<CAFB=GPTyA398A8Zxq-btdPjs2whWvD_giKx3BVV7AmnuF3xGsQ AT mail DOT gmail DOT com>
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Message-Id:	<20210827050113.910ABA80FA9@calimero.vinschen.de>
Date:	Fri, 27 Aug 2021 07:01:13 +0200 (CEST)
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>Dear Sir,

>In one of our old project cards, we were using *Cyclone III FPGA* along
>with *EPCS64SI16N *memory.  Recently same card was manufactured but
>as EPCS64SI16N is obsolete now, we used equivalent recommended MPN
>*EPCQ64ASI16N*.

>*Quartus 11* was used to compile the FPGA project; as it doesn't support
>EPCQ, we generated new project in *Quartus 13*. SOPC file for NIOS also got
>upgraded to QSYS version.

>In Eclipse, one error is thrown as shown in image -* "Couldn't compute
>FAST_CWD pointer. Please report this problem to public mailing
>list cygwin AT cygwin DOT com <cygwin AT cygwin DOT com>."*

>Also, while writing SOF file to EPCQ it throws error as shown in attached
>image- *"No EPCS layout data - looking for section(EPCS-EF4017); Unable to
>use EPCS device; Error code 8."*

>Also, .pof and .rbf  files were generated by selecting EPCQ64 memory,
>however, it resulted into the same error.


>*Kindly help us to resolve these errors as we have to urgently program
>firmware in these cards.*


>Best Regards,


>Ekta Rawat

>Deputy Manager

>BEL Ghaziabad


https://cygwin.com/faq.html#faq.using.fixing-find_fast_cwd-warnings

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