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Subject: Re: Iriver iFP7xx RAM size

Re: Iriver iFP7xx RAM size

From: nobby nobbs <>
Date: Mon, 18 Jul 2005 22:34:59 +0100

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

> 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"
> <>
> To: <>
> Sent: Monday, July 18, 2005 7:54 PM
> Subject: Iriver iFP7xx RAM size
>> Dan Hollis has recently updated the wiki page:
>> 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
>> _______________________________________________
> _______________________________________________

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