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Re: [emax] EMAX II SCSI PROBLEM HELP

2014-06-06 by - LIFELIKE -

Ted

Thanks again for your fast reply!
Well, the problem seem actually even more complicated, there was no HD inside my EMax II keyboard, so i took a simple old Quantum, that works well in an old Mac
Classic, but the drive isnt even recognised by the system i tried any SCSI id and he doesnt see it, the drive is now formatted HFS macintosh but
im trying to format it for the Emax II of course, but he cant find it, basically its like the SCSI active sensing is dead…
the menus inside the Emax are there but the sampler doesnt detect either internal HD or external CDROM, i even tried with an old Apple CD 150 (1x :-)

The HD is set on ID 1…
I dont understand whats going on, i will now take some pic of the mainboard and the output board

What i dont understand in there is that its a model #2212 and i dont see the stereo sampling menu on the screen, i can choose to sample either pri or sec…

Maybe the guy i bought this, swapped some board or removed the stereo chip?

I'll prepare some pictures now

As i know Ted that you're the Emax Guru in here, maybe you faced this before?

L.


Le 7 juin 2014 à 00:48, "Ted Summers djtbs1@... [emax]" <emax@yahoogroups.com> a écrit :


Laurent-

The HD inside will have termination. you can have termination problems which result in the behavior.
If you unhook HD, boot from floppy then only have Zip externally with terminator, let us know if that works.
If it does, that confirms issue with SCSI chain setup.
E-mu did not follow "best practice" in their SCSI setup for these devices (they made it a star if you use both internal and external, and it is supposed to be chained....)

Regards,
Ted



On Fri, Jun 6, 2014 at 2:37 PM, - LIFELIKE - lifelike@... [emax] <emax@yahoogroups.com> wrote:
Hello friends :-)

I recently got my hands on a new Emax II keyboard, model 2112, stereo 2MB, and im facing a little problem.
The problem occur when i connect whatever scsi peripherals, like CDROM apple 300e, or ZIP 100 drive or spyrus CF card R/W.

Emax II is on ID 1, when i press : Drive Select and choose SCSI ID 2 where my CDROM reader is, the screen
either got frozen, either it shows black stripes and the sampler reboots.

All works fine, but not the SCSI (external), is there anything wrong, or is there any chip missing maybe on the mainboard ?
I opened the emax to clean it, but as im not an expert, maybe if i send one of you guys a photo of the board,
you might be able to help me more?

Maybe i am connecting things wrongly ? i tried with terminated plug and without but it either freezes the machine either puts him back into a reboot…

Thanks in advance for your help

Laurent
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