The Yamaha AN1x Synthesizer mailing list

Hi Jeff,

I will go for the kamikaze way! I never even connected any of my synths to a
computer.

I'll get back to confirm how it went...

Thanks,

On Sat, Mar 12, 2011 at 8:54 PM, Jeff <jf.serviere@...> wrote:

> Jerome St-Pierre a écrit :
> > Never mind. I searched some more and other users said we must make a
> backup
> > before changing the battery.
> >
> YES, unless you don't mind to loose all the patches stored in your
> keyboard (i.e : you have them on your computer as .an or .mid files...)
> > But I still have another stupid question. I don't understand how removing
> > the battery could affect the patches? Aren't they saved on some kind of
> hard
> > drive? Or are they really kept loaded in memory with the battery?
> >
> YES. These patches are stored in a static CMOS RAM (not a flash
> EEPROM...) which in "stand by mode" is supplied by the back up battery.
> The extremely low, but not null, supply current (a few nA) in this
> special mode allows years of storage without the help of the main P.S.
> But without any supply all is wiped out . When the AN1x was designed,
> flash EEPROMS vere too small and too slow, and a hard disk would be too
> huge and too expensive to store only a few tens of kbytes. An AN1x patch
> is not a sampled sound but only a few lines of data and instructions.
> > I have no clue since I never did anything like that...
> >
> > Thanks for your help!
> >
> If you don't want for some reason of your own to make a memory backup on
> a computer you can try the "kamikaze way" : open your synth, turn on the
> main supply and then change your battery BUT take care of short circuits
> when you're doing that. The screwdrivers or pliers are obviously
> conductive, but the battery itself (even flat out..) too : don't touch
> anything else with any metal part. When the main supply is "on" the RAM
> is in "active mode" and does not need any other supply.
> Cheers.
> J.F.
> > On Fri, Mar 11, 2011 at 9:41 PM, Jerome St-Pierre
> > <jeromestpierre@...>wrote:
> >
> >
> >> Hi all,
> >>
> >> I will soon change my battery and I am wondering if I should backup my
> >> patches before proceeding? I guess not by reading this conversation but
> I
> >> would just like to be sure...
> >>
> >> Thanks,
> >>
> >> Jérôme
> >>
> >>
> >> On Sun, Nov 14, 2010 at 3:54 PM, boogie_koski<boogie@...
> >wrote:
> >>
> >>
> >>>
> >>> --- In AN1x-list@yahoogroups.com, "Summa"<flotorian@...>  wrote:
> >>>
> >>>> Just open up the bottom of the synth, it's mostly CR2450 and not the
> >>>>
> >>> And If,.. Your new battery don't go into it's place, just go and
> >>> exchange/buy new one from different manufacturer. Usually they match,
> but
> >>> not 100%. I bought first Renata CR2450N (is that N the difference?) and
> no
> >>> way to put that into the holder!
> >>> Varta CR2450 just cliked in.
> >>>
> >>> Greetz, Boogie.
> >>>
> >>>
> >>>
> >>>
> >>
> >>
> >> --
> >> Jérôme St-Pierre
> >>
> >>
> >
> >
> >
>
>
>
> ------------------------------------
>
> Community email addresses:
>  Post message: AN1x-list@yahoogroups.com
>  Subscribe:    AN1x-list-subscribe@yahoogroups.com
>  Unsubscribe:  AN1x-list-unsubscribe@yahoogroups.com
>  List owner:   AN1x-list-owner@yahoogroups.com
>
> Shortcut URL to this page:
>   http://groups.yahoo.com/group/AN1x-list
>
> The AN1x Control Synthesizer FAQ::
>  http://www.geocities.com/jondl_2000/an1x_faq/an1x_faq_toc.htm
> Yahoo! Groups Links
>
>
>
>


-- 
Jérôme St-Pierre


[Non-text portions of this message have been removed]