On Wed, 7 Feb 2018, Eric H. Johnson wrote:
Date: Wed, 7 Feb 2018 14:46:32 -0500
From: Eric H. Johnson <ejohn...@camalytics.com>
Reply-To: "Enhanced Machine Controller (EMC)"
<emc-users@lists.sourceforge.net>
To: "'Enhanced Machine Controller (EMC)'" <emc-users@lists.sourceforge.net>
Subject: [Emc-users] Mesa 7i43 TRAM error
All,
Just this week I started getting TRAM errors on a machine that has been
running for years. This system uses the Mesa 7i43 card. I had this happen
once before, but on a new machine with a brand new 7i43 card. I replaced the
card and the problem went away. On this machine I replaced the 7i43, and it
ran for about 3 hours flawlessly, then the TRAM error came back. It so
happened that the 7i43 is the 400K version and the old one is the 200K, so
running a different driver as well.
Is the problem now likely the parallel port on the motherboard, or is there
some place else I should be looking. I have disconnected and reconnected the
cables multiple times, so I doubt that is the culprit.
Thanks,
Eric
I would check that the 7I43s 5V power is OK and maybe try a shortened EPP
cable. A TRAM error means the EPP handshake failed (sort of like the card
reset or totallly lost communications somehow )
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Peter Wallace
Mesa Electronics
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