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

U16 = 54-pin TSOP II (pin side is longer than other side)




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From: lovecolour <lovecolour@...>
To: xl7@yahoogroups.com
Sent: Sat, November 27, 2010 8:30:53 PM
Subject: [xl7] Re: MP7 and QROM queries

   

Thanks -- anyway you can tell me which is the ram chip, so I can tell them?!?!?
Would that prevent new OS from loading? It loads anywhere from 1/10 to 3/5 of 
the way before failing, but always fails to load completely.

--- In xl7@yahoogroups.com, Aaron Eppolito <synthesis77@...> wrote:
>
> You answered your own question!  =)
> 
> >> except sometimes doesn't pass RAM test
> 
> You have faulty RAM.  That's why sometimes random stuff fails.  If you're 
>lucky, it could be just the solder joints on the RAM chip.  Have someone handy 
>with surface mount parts check & resolder them and you might be all set...
> 
> -Aaron
> 
> On Nov 22, 2010, at 3:16 PM, lovecolour wrote:
> 
> > BTW it has OS 1.31
> > 
> > --- In xl7@yahoogroups.com, "lovecolour" <lovecolour@> wrote:
> >> 
> >> Bought a used MP7 with MROM ... after about 2- 3 hours use I got a message 
>ERROR CODE 001 Bad Instruction! Fatal - Just how fatal is it? It goes through 
>all diagnostics well - except sometimes doesn't pass RAM test.
> >> 
> >> I tried updating to OS 2.00 but it always quits sometime after a couple 
>thousand bytes xferred, sometimes til about 2/3 of the way completed.
> >> I had to use 2 different midi hookups to go that far (in say a USB Midi and 
>out a parallel port midi)
> >> 
> >> If repairable (or if I get a new one) will I be able to play back sequences 
>formed on MR 76 with out trouble. I am particularly interested in knowing if the 
>QROM maps the drums (non-GM) the same as the MR/ZR. (I did find out how to 
>record from the drum machine on those boards)
> >> 
> > 
> > 
> > 
> > 
> > ------------------------------------
> > 
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> > 
> > 
> >
>