E-mu Emulator Sampler User Forum for the EIII EII EI and EIII XP - Recent Posts

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+  E-mu Emulator Sampler User Forum for the EIII EII EI and EIII XP
|-+  Recent Posts
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 on: Today at 12:11:02 AM 
Started by dvdborn - Last post by dvdborn
This topic has been moved to EIII XP Technical Issues / Tips.


 on: August 14, 2017, 11:01:54 AM 
Started by Paula - Last post by alka
I would also check your PSU molex soldering and harness connections and also check/swap the first of the bottow rows of 4164 DRAM chips.... Here is a comment from Rob on an old Yahoo group post that was helpful to me...

"You can diagnose the failure points as follows:

If the LCD says Boot in Progress the main boot ROM is ok.
If the drive clicks 3 or more times and the EII stalls with Boot in Progress
it is RAM failure or RAM access failure - provided the drive is ok!
If the drive does not click at all and the EII stalls with Boot in Progress
its a main CPU failure.
If the drive clicks 3 times and the LCD is blank and random LED's light its
a Scanner ROM failure.
An Insert Diskette message means the EII cannot see a valid diskette in a
drive - bad media or drive or cable or controller chip
A floppy drive out of alignment or with dirty heads can cause OS loading
failure (Boot in Progeres stall)
A failed floppy drive controller chip will cause OS load failure.
Failed RAM will cause the OS to crash mid session too.

The EII scanning and main CPU's both have local SRAM as well as the main
DRAM. The main DRAM gets used for the OS and samples.

It is important that the PSU has been checked first before starting to
replace components and that you leave the EII to settle for a minute or two
between power on attempts. The Memory Test diskette is really handy for
sorting this type of problem out, but we don't have a copy. The debug ROM we
do have, but you need a RS232 terminal to use it!!

I suggest the following...
1) Check the PSU rails are on spec.
2) Recheck all SRAM, DRAM and ROM is seated.
3) Clean the diskette heads.
4) Check with the list above and see what problems you have still.
5) Check memory by swapping the SRAM chips around and the DRAM chips around.
6) Try a new boot and scanner ROM."

 on: August 14, 2017, 07:09:26 AM 
Started by Paula - Last post by alka
Is it freezing at Boot in Progress? If so it might be a Z80 issue... have you tried swapping the Main and Scanner Z80A CPUs?

 on: August 14, 2017, 06:26:27 AM 
Started by Synthiepop80 - Last post by petrm2007
Dear members! Can I ask you to share Emax 1 OS file with me as well?

I have corrupted data on my floppy with OS, so can not boot the sampler...


 on: August 14, 2017, 02:00:26 AM 
Started by tmenikos - Last post by tmenikos
sounds easy enough.
Is there anything like formatting to do?
I do have the manuals some where... LOL

Any... not being a computer kind of guy... and particularly with the older equipment that is more Mac Based... I just don't know what all to do in prep for... or after installation of the new drive.

 on: August 13, 2017, 11:52:30 AM 
Started by Paula - Last post by Paula
Do you know where I can get a matching pair of EPROMs please?

In the meantime, how long does it take before it boots from FDD with a dead HDD in?

Many thanks

 on: August 13, 2017, 08:53:10 AM 
Started by tmenikos - Last post by Wolfram
If its boot from floppy drive and can load sounds from CD-ROM, it sounds like your HD is dead.
Not a big problem, just buy a scsi2sd v5 drive and replace the HD.

 on: August 13, 2017, 08:17:01 AM 
Started by Paula - Last post by lunatic
Tried this myself. You can either hook up the disk again (data & power). The installed OS will always look for the HDD if it's dead it will switch to the HxC. The other way is a new set of Eproms with another OS which will initiate the boot from the HxC without looking for a boot record on the HDD.

 on: August 13, 2017, 07:34:46 AM 
Started by Paula - Last post by Paula

 So I've seen a number of threads on here about this, but can't find a concise answer. Here's the issue I have;

 I have an EII+ HD that the HDD and FDD are rusted. I've replaced the PSU and the tantalum capacitors (a tant died and killed the PSU).

 I've disconnected the HDD data and power cables from the HDD end
 I've installed the HxC in place of the FDD and put in a cable.

 I've copied the files from the Lothratek website for the EII onto an SDCARD, and selected "emuii_os_3_1HD.hfe"

  The two EPROMs installed are;

  EMU Systems 2.5 (IC42)
  EII+HD Scanner  V3 (IC28)

 When I power up the EII it says "Emulator 2 Now booting" and does nothing, I've waited around 30 minutes and still nothing.

 Both lights on the HxC are lit (SD Access and floppy access) permanently.

  Someone kindly emailed me images for the EII+ 2.1 and EII Main 2.5 roms, which I've tried both in place of IC42 (main CPU ROM).

  I'd really like ot get this beauty working, but I feel I'm missing something.

  Should I replace the scanner ROM (if so could someone email me one please?)
  Should the EII+ HD boot without a HDD in?

  Can someone offer some advice please? I'm totally stumped.


 on: August 13, 2017, 05:42:17 AM 
Started by tmenikos - Last post by tmenikos
Hi All,
I have a EIIIxp that has some problems.
If it turns out to be too expensive to fix I am considering what to do with the extensive CD Rom library I have.

Are there any other Samplers out there that can read the library and sound any where near as good as the EIIIxp?

Thanks for your help.

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E-mu Emulator Sampler User Forum for the EIII EII EI and EIII XP - Recent Posts

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