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Subject: Re: Iriver iFP7xx RAM size

Re: Iriver iFP7xx RAM size

From: nobby nobbs <nobbynobbs_at_gmail.com>
Date: 2005-07-18

Could a devive like the iFP use flash ram as system ram instead?
On Mon, 18 Jul 2005 22:18:39 +0100, Dave Hooper <dave@beermex.com> wrote:

> http://www.rockbox.org/twiki/bin/view/Main/IriverFP3XX5XXHardwareComponents
>
> This page suggests that the 5xx series at least already have 8MB
> SDRAM.. so a 5xx or 3xx port is already 'feasible'.
>
> The 7xx series CPU has 64KB of SRAM *on the processor*. This is the
> same sort of approach as the coldfire CPU used in the iriver H1xx/H3xx
> series, which have 96KB of SRAM. This is in *addition* to any general
> SDRAM. I am quite certain that the 7xx also has SDRAM - a fully
> functional mp3 player with LCD display and graphical user interface can
> almost certainly not be implemented with just 64K of ram..
>
> d
>
> ----- Original Message ----- From: "Tomasz Malesinski"
> <tmal@mimuw.edu.pl>
> To: <rockbox@cool.haxx.se>
> Sent: Monday, July 18, 2005 7:54 PM
> Subject: Iriver iFP7xx RAM size
>
>
>> Dan Hollis has recently updated the wiki page:
>>
>> http://www.rockbox.org/twiki/bin/view/Main/WebHome?topic=IriverIfpPort
>>
>> He wrote that iFP7xx players have only 64 kB of RAM. Having analyzed
>> their firmware a bit I am quite sure that beside the PNX0102 internal
>> SRAM they also have much more (probably 1 MB) SDRAM located at
>> 0x24000000. Does anyone know for sure what the RAM size is? Has
>> anyone opened an iFP7xx player and noted what chips are inside? This
>> information seems to be quite important for the decision on whether to
>> start porting Rockbox to iFP or not.
>>
>> I do not write to Dan directly, because his email address on his wiki
>> page does not look promising to me (spamtrap?).
>>
>> -- Tomek Malesinski
>> _______________________________________________
>> http://cool.haxx.se/mailman/listinfo/rockbox
>>
>
> _______________________________________________
> http://cool.haxx.se/mailman/listinfo/rockbox

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Received on Mon Jul 18 23:35:51 2005

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