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Subject: RE: memory upgrade adaptor PCB

RE: memory upgrade adaptor PCB

From: Christopher John Shaker <>
Date: Tue, 18 Feb 2003 12:24:53 -0800


Sure I'd be interested in the memory expansion board.

Chris Shaker

-----Original Message-----
From: [] On
Behalf Of Dirk A. Vahlsing
Sent: Tuesday, February 18, 2003 8:00 AM
To: RockBox Mailing List
Cc: Benoit Midy
Subject: Re: memory upgrade adaptor PCB


The pricing indication given is for the adaptor PCB only! If there is enough
interest maybe I can provide the memories, too. Bundled with the PCB, but
not soldered to it.

But I will definitly not do the modding itself - except for my personal
jukebox ;-), sorry!

We are currently checking for DRAMs in BGA pakages, but don't expect to find
any at all. This would offer the opportunity to upgrade to 16MB (the CPUs
max DRAM support) and to provide a preassembled PCB. But don't expect this
to come true.


"Benoit Midy" <> schrieb am 18.02.03 14:59:40:
> Hi,
> I m interrested.
> But some questions come in my mind :
> - the price is only for the memory hardware ? or for the upgrade
operation ?
> - if you upgrade the AJBR , should we send you the AJBR ? where ?
> could you give more info about it ?
> thanks
> On Tue, 18 Feb 2003 12:48:40 +0100, Dirk A. Vahlsing wrote:
> >diava _at_ web . de
> Hi all!
> I'm thinking about a tiny, thin adaptor PCB which is first soldered to
> the archos PCB instead of the original DRAM chip and second the 8MB DRAM
is soldered onto it. Only the two missing address
> lines have to be wired then instead of all the control lines and stuff.
> We are going to patch 5 recorders (-; and don't like wiring that much
> ;-). So if there are enough of you interested in the PCB it may make sense
to develop this PCB and sell it. To get a reasonable
> price calculation I would like to know how many of you are interested in
that PCB and what would be the maximum price you would pay for it (excluding
shipping/customs duty etc).
> Some pricing _indication_:
> 20pcs: 15EUR/pc + shipping
> 100pcs: 5EUR/pc + shipping
> If you are interested please send mail to diava _at_ web . de directly. I
> will issue the results of this survey to this list end of February. Until
then I should have decided on the final order/payment
> procedure (suggestions are very welcome!).
> Specs:
> about 25x15mm wide, 0.4mm thick
> TSOP 50(44) footprint on bottom, matches the K4E151612D
> TSOP 50 footprint on top, matches e.g. MT4LC4M16R6TG or GM71V65163C
> Benoit Midy
> Guddland Digital S.A.
> Luxembourg
> Tel: (352) 50 35 21 / 360

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