On Thu, 4 Dec 2008, Eric H. Johnson wrote:
> Date: Thu, 4 Dec 2008 19:49:12 -0500
> From: Eric H. Johnson <[EMAIL PROTECTED]>
> Reply-To: "Enhanced Machine Controller (EMC)"
> <emc-users@lists.sourceforge.net>
> To: "'Enhanced Machine Controller (EMC)'" <emc-users@lists.sourceforge.net>
> Subject: [Emc-users] Write error with hostmot2 and 7i43 board
>
> Sebastian, et al,
>
> I am getting a strange error using the hostmot2 driver and the 7i43 board.
> The error is "hm2/hm2_7i43.0: TRAM write error! (addr=0x1000, size=8,
> iter=68373). The error occurs when running a g-code program but not while
> jogging, at least initially.
Sebastian: what causes a TRAM write error?
Eric:
What EPP mode are you using and what type and length of cable do you
have between the 7I43 and Parallel port?
What type of paralle port do you have (motherboard/PCI add-in)
Is the iteration count always the same?
I dont know if it would be caught by software checking but ISTR the 7I43
cannot use a base thread (EPP operations need to be atomic) so a 7I43 HAL
should only normally only use a Servo thread
Peter Wallace
Mesa Electronics
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