emusonacid!

Hi, I am trying to upgrade my Emu E6400. Which was running EOS 2.5.
I downloaded the image from emu for EOS 2.8CL for this, and ran it on my Emu, but at the end of the install process, it says

Code: Select all

Verifying Checksum....

Verifying csum; secs: 1882
Updating FLASH from floppy....
csum failed: 3e693660 e7ce5fd5

It does a variation on this with the two versions of EOS 3b from this forum as well. Although the checksum fails in different ways.

I created the disks in windows and the processes seem to complete properly when they are being made.

Is there any solution for this? My E6400 is now dead and has no Os whatsoever, if anyone anywhere can mail me a working EOS 3b floppy I would be most grateful.

I have even tried swapping out the Floppy drive for another one, in case that was causing an error. But it is still the same.

So I am going to try downloading the files again and remaking floppies.

I will quite happily pay for all the costs of providing floppies if someone could mail me working ones

Ok so running md5 on each of the downloads from the EMU website reveals them both to have the same checksum

MD5 (EOS28CL.EXE) = 8998e3455059af2765e8ad21f425960c

which must mean, by a process of elimination, that it's not the disk drive, and it's not the source file.

So it must be the fact that I am doing it in Windows XP that is causing the problem.

I have copied the files to the C: drive before running them, I ran them from the command line, I freshly formatted the floppies before running the files. And the Expansion seems to work properly.

you may need to format the floppies on the sampler first. I had some similar issues when updating EOS to 4.7 a while back - had to format on the Emu first. I also found a bad floppy was causing half my problems, but it doesn't quite sound like that.

Is there any "prep" you need to do before the upgrade on the older sampler?

I'm not familiar with pre-ultras sadly apart from my old ESI 32.

M

yeah I think its something to do with my flashrom now, after reading some more on the site about csum errors.
The disks cant be formatted on the sampler first otherwise the computer cant even read them for the floppies to be expanded onto.
Annoyingly I cant even install windows 98 either. I think I have bricked my e6400.

May be worth contacting these firms:

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European Service Centers

Please note: The following USA Service centers listed below only have expertise to repair our older legacy and discontinued E-MU hardware products such as our keyboard synthesizers, MIDI modules or hardware samplers. EPR Electronics does not provide any E-MU product technical support and only has limited repair capability for our current products.

For service or technical support on current or recent E-MU products such as our Audio Interfaces, Xboard Keyboard Controllers, and USB products, please contact E-MU technical support.

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Cimple Solutions
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Phone: +44(0)845 862 7171
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Synthesizer Service Department
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L.E.M.I. di Felice Manzo
Italy
Phone: +39 011 231092
Email: lemi.torino@lemi.org
www.lemi.org

thats definitely something to bear in mind, but considering its only a basic classic, I think I might just keep it to harvest parts from for my ultra, in the case of further things occuring

you might be able to at least confirm if its fixable - and then come back to the forum :)

I agree that it's worthwhile to at least have a technician look at it before disemboweling it for parts. Depending on where you are at there should be at least one general synth/studio electronics tech in your area that could at least look at it for a flat fee. These hardware units are getting rarer each day and it seems a shame to gut it, so to speak, until you're sure it's dead or needs a very expensive repair. Just my take after years of owning vintage equipment.

Addendum to this saga:

When formatting floppies on virtual pc, do it in DOS like the sticky suggests. Once the floppies are formatted, eject the floppy in the Virtual pc GUI, But DO NOT eject the floppy in the MacOs.

If you eject the floppy in the MacOs it will write some final data to the disk that you have expanded, and this will invalidate the disk image and when you try to use the disk it will csum your flash.

Instead simply directly eject the floppy. This will throw up this warning


this disk will work in your emu, even though it makes macos throw a hissy fit.

Also if a disk wont work, just keep trying with different disks.