Well, now it's really toast... I tried to re-upgrade the Boot ROM and I get errors. Awesome!
Here's a compilation of what I'm seeing. I only got one "Good 0" out of about 10 trys with 2.4.2 and 2.4.3. I am getting to Flash5 step though, then the error occurs.
2.4.2 - EEPROM0.syx
0C680
0E880
2.4.2 - EEPROM1.syx
19050
16E50 (or 1bE50, it didn't have a horizontal top line)
1GF50 (or 16F50, it did have a horizontal top line)
2.4.3 - EEPROM0.syx
0d140
01F40
0E940
At least there's kind of a pattern here. Mike, please let me know if you have any insight into this problem. I have gone around a hit all the chips solder points and even pulled the EPROM to make an image of it in case that was bonky. I only saw one difference from the file online and I assume that's because you have changed something since the file was uploaded. Address 0x10 I have CC instead of C4. If you don't have any other tips I guess my next step is to de-solder the EEPROMs (ugh) and blank them out with my burner.
Thanks,
Everett
--- In korgpolyex@yahoogroups.com, "Everett" <evy_newt@...> wrote:
>
> Should have just waited to post... that didn't take long. Sequencer works fine now that I enabled that global parameter 24. I can't find any problems with this thing other than the SYSEX dumps. This time it failed with a 4 showing. Is there a way to access the memory at the moment of failure? I really don't see how I am able to do all this other stuff and it be a hardware problem. It takes a very long time to fail, like it just runs out of room or something. Is that possible?
>
> --- In korgpolyex@yahoogroups.com, "Everett" <evy_newt@> wrote:
> >
> > I have not tried the sequencer, but the midi control works... actually everything I've tried works which seems weird. I have also copied the standard patches over from ROM with no problem (diag 6). I have seen two more failure modes now that I have tried a few times. The one time I did it, there was a 4, then a C, but mostly an H. Yes it is in the position where the word PATCH would be. I always have to "reboot" at that point. There is never a PATCH5, so I'll go back and touch up my soldering. Hopfully I find something there or I get lucky and it will just start working after I re-touch all the contacts.
> >
> > Thanks!
> > Everett
> >
> > --- In korgpolyex@yahoogroups.com, Michael Hawkins <korgpolyex800@> wrote:
> > >
> > > Hi Everett,
> > >
> > > If you send a HAWK patch dump to your EX-800 while using "Flash" mode then you will write patch data over one of the flash ROM's that contains software. So you were right to reflash all of the ROM's again.
> > >
> > > Now, while sending a HAWK flash patch dump you say that the display changed to PATCH4. But did you also see it change to PATCH5 even for just for a moment? Normally, the PATCH5 message will only show for less than a second but it is quite obvious if it does show up.
> > >
> > > Or did it just go from PATCH4 to "H" without ever showing PATCH5? I assume that the "H" is quite bright and it is in the position of the "H" in "PATCH" - right?
> > >
> > > If that is all true then I would say that you need to check your soldering of the 28C256 ROM on the HAWK board. Because when the display is showing PATCH4, the HAWK software is copying the uploaded software from RAM memory into the patch EEROM. And if it is able to successfully copy over all of the patch data then the display changes to PATCH5. And PATCH5 is the message that is displayed while the HAWK does a data integrity check. The integrity check only happens after all of the data is copied into the patch data EEROM.
> > >
> > > So I would check the soldering of the 28C256.
> > >
> > > Does all of the functions of the HAWK work? Have you tested the sequencer? The patch editing? Used some of the MIDI controllers?
> > >
> > > Mike
> > >
> > >
> > >
> > >
> > > ________________________________
> > > From: Everett <evy_newt@>
> > > To: korgpolyex@yahoogroups.com
> > > Sent: Thu, November 12, 2009 8:10:18 PM
> > > Subject: [korgpolyex] Freshly upgraded EX-800
> > >
> > >
> > > Just received my second Hawk-800 kit... this time with the Atomahawk portion too! I have a few questions about this new sample dump feature. I had previously been running a Poly-800 with the original kit (1.2 BOOT ROM, who knows what software) so this is all new to me.
> > >
> > > Here's what's happening:
> > >
> > > I enter diag mode 8, send the bulk file from the 2.4.3 zip file... everything looks like the manual says (Flash4 etc.), but then I get a big fat H instead of a "Good". I'm pretty sure it locks up at this point because it won't respond to anything.
> > >
> > > I should say I accidentally loaded this bulk file once during the ROM flash routine (not realizing the difference). I did go back and re-load the three EEPROM files after that and everything seems to be working except these sysex dumps.
> > >
> > > Is it possible that there are still something hanging out in the EEPROMs from that instance? Also, how do I load the sysex patches posted in the files section. They show "Error 2" in this "Diag 8" mode and I can't seem to find any other reference to a different mode. As you can see I'm a little confused... don't use SYSEX much.
> > >
> > > Thanks,
> > > Everett
> > >
> >
>