On Monday 23 April 2018 22:38:21 jeremy youngs wrote:

> Trying to configure this 7i90 .
> Went to pnc config and it is not in the drop down list . Is this the
> first order of business or is there something else I should be trying?

First order of business is probably the mesaflash session. Get, from the 
mesanet site, 7i90.zip. I unziped it to the Public subdir in my home 
directory, which will give you a 7i90 directory.

cd 7i90/configs/hostmot2$, and an ls will show you quite a lengthy list 
of files. There ought to be a README describing which does what, but 
there isn't. You'll  find mesaflash in 7i90/utils/linux of that 7i90.zip.

The docs are in a file called "7i90hdman.pdf", and I found them on the 
mesanet site on the 7i90 page. Thats an explanation of the card and how 
to program it and use it. So get both of those files and make the pdf 
into dead tree format & put in thin 3 ring binder, you'll use it, a lot. 
Its 21 duplex printed sheets of paper, or 42 pages non-duplex.

ISTR running mesaflash without any arguments gives a good help screen.
How to run it is in the pdf.

For my lathe, ISTR I used the SVST4_8 configuration. But the invocation
CONFIG line restricts it, leaving lots more gpio to play with, like this 
in the bottom of .ini file:

[HOSTMOT2]
DRIVER         =       hm2_rpspi
BOARD          =       7i90
CONFIG         =       "num_encoders=4 num_pwmgens=1 num_stepgens=4"

Since I'm on 2.8-pre, and after install and updates you will still be on 2.7.11,
whats quoted above might be in the top of your main .hal.

> Dell optiplex 620 using motherboard parallel, set to epp in bios. I do
> have another epp pci card in computer, just trying to establish com on
> this one . Thanks

Ought to work fine. FWIW, linuxcnc can use both of those epp ports in 
case you need to drive a full 88 key piano with it. ;-)

-- 
Cheers, Gene Heskett
--
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>

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