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Emu XL-7 & MP-7 User's Group

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Message

Re: [xl7] Re: FLASH SIMM

2010-12-31 by Jeremy Bolton

Hi,

This sounds awesome. One please- maybe a couple of the Flash roms

Good Luck

Jeremy

On 19 December 2010 02:34, gary higgins <heyrag@...> wrote:

My response would be....Who would not be interested if this were truly available...



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--- On Sat, 5/1/80, Ivan Chaparro <jibarosoul@...> wrote:


From: Ivan Chaparro <jibarosoul@...>
Subject: Re: [xl7] Re: FLASH SIMM
To: xl7@yahoogroups.com
Received: Saturday, 5 January, 1980, 8:37 AM



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Im in, just wondering if you could clarify how this

> would integrate into a maxed out command station. Eg: all four roms filled will

> i have to sacrifice one? will it just pop into one of the existing

> slots?


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----- Original Message -----


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From:

>Geert


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Sent: Tuesday, February 16, 2010 9:47

> AM


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Subject: [xl7] Re: FLASH SIMM


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definately in.

--- In xl7@yahoogroups. com, Jack Pratt

> <;woodsworth1@ ...> wrote:
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> Howdy.
>
> I

> have created a schematic for a FLASH SIMM. I can send a copy to anyone

> who is sufficiently interested (rather than posting it to everyone [which

> I thought would be bad etiquette]) - so pm me if you want to see it.
>

>
>; This FLASH SIMM is not the same as DRAM SIMM mentioned previously,

> but has some similar features. The intention is to have two 1Gb FLASH devices

> populated (total of 256MB FLASH) which would allow as many as seven 32+4MB

> images [32MB = wave memory, 4MB preset memory].
>
> What The SIMM

> is does mirrors up to four slots - it is actually in one slot but

> can respond to requests for any of the slots, but you can turn 'off' that

> response so you can put a physical ROM (or other FLASH) in that slot. Of cours

> that only accounts for 4 ROM images, the other may be accessed by either a

> switch or possibly in the future the OS could be modified so that there would

> be a menu item that allows the user to select which image appears in any

> given slot. The SIMM has 4 footprints for FLASH devices and if Numonyx every

> release a 2Gb part then the SIMM could support 1GB of FLASH or 28 images.

> I'm not planning on altering the OS in the near future so don't hold

> your breath.
>
> Unfortunately this FLASH SIMM will probably not

> be programmable in the old way [Ultra for wave memory, Proteus for preset

> memory] so I need to also produce another board to read and write the board.

> This solution would be cheaper than buying an Ultra sampler but it wouldn't be

> a sampler!
>
> In order to proceed I need to know if anyone is

> interested in this SIMM. Cost would be about USD150 for the SIMM, and about

> USD125 for the programmer. Not sure on the exact prices because it will depend

> on the PCB manufacture cost, but I figure I need to sell about 20 of them to

> make it worth while. Not asking for money, but just a show of

>; hands.
>
> Let me know what you think.
>



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