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7i96s + 7i78

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15 Dec 2025 17:09 #340134 by sin-do-re
7i96s + 7i78 was created by sin-do-re
How can i use a 7i96s together with a 7i78 to get 2 more STEPGENs?

My main board 7i96s was being used to control 5 axis Stepgens, but one has fried completely, and i was hoping i could expand the board with a 7i78 i have laying around, to control a total of 6 (4+2) stepgens. is this possible? What bit file should I use? Is there one available for it ?


Best regards
 

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15 Dec 2025 17:35 #340136 by tommylight
Replied by tommylight on topic 7i96s + 7i78
You would need this and maybe another DB25 to DB25 cable, also know as parallel port cable
eusurplus.com/index.php?route=product/pr...59_63&product_id=130
And might need a firmware flash, but do check what is already installed on the card using mesaflash

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15 Dec 2025 17:38 #340137 by tommylight
Replied by tommylight on topic 7i96s + 7i78

You need a parallel port(female) to flat connector (think IDE PATA connector).

Dude, really ????
IDEA PATA is a 40 pin connector, and just to make you wonder, comes with a 40 wire and 80 wire flat cable.
Find out why.
And as a precaution, it is not a floppy drive connector either, that has ?? pins ! :)

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16 Dec 2025 11:29 #340184 by sin-do-re
Replied by sin-do-re on topic 7i96s + 7i78
Guys
I got the cable! just found one from when i got the 7i78 previously and never used it.

Thanks a lot for the availability to ship one out :D

How about the bit file, where can i find it? do i need any special firmware editing or something?

thanks

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16 Dec 2025 16:43 #340200 by PCW
Replied by PCW on topic 7i96s + 7i78
7i96s_7i78d.bin would be the correct bin file for a 7I96S+7I78

This is available from Mesa's web store, in the software support .zip file
 

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