[rescue] Problem with slot 0 in E4000

Michael Thompson michael.99.thompson at gmail.com
Thu Jul 28 18:30:54 CDT 2011

> Date: Thu, 28 Jul 2011 03:03:44 -0400
> From: Dave Fischer <dave at cca.org>
> michael.99.thompson at gmail.com writes:
>>I have an E4000 that used to be an E4500. I replaced the E4500
>>assembly above slot 0 that used to have connections to a cabinet
>>mounted on/off switch and SCSI connectors with an E4000 assembly that
>>contains a keyswitch and CDROM. If I put just one CPU board in slot 2
>>it works OK. If I put the same CPU board in slot 0, CPU 1 has a JTAG
>>problem. I have tried several CPUs and they all behave the same.
> E5000 -> E4000 that is.
>>Bad backplane?
> I have a spare backplane if you'd like to try. The whole thing
> disassembles easier than one would expect.
> ------ David Fischer ------- dave at cca.org ------- http://www.cca.org ------

It was actually an E5500 converted to an E4000.
Yes I would like to try a replacement backplane. It is heartbreaking
only having 13 CPUs.

Michael Thompson

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