Re: [Emc-users] Connecting Mesa 25 pin daughtercards to 50 pin FPGA card??

2022-05-02 Thread Peter C. Wallace

On Mon, 2 May 2022, hdpre...@gmail.com wrote:


Date: Mon, 2 May 2022 06:32:41 +0200
From: hdpre...@gmail.com
Reply-To: "Enhanced Machine Controller (EMC)"

To: emc-users@lists.sourceforge.net
Subject: [Emc-users] Connecting Mesa 25 pin daughtercards to 50 pin FPGA
card??

HI
Is this possible?
For example, can I connect a 7i77 + 7i74 to a 7i80HD using a special cable?
I see there is a converter board on Mesa's website, but I only realised now
that I messed u when ordering, and also the 7i80DB's were out of stock.

For this case, can I just refer to the pinout config that mesaflash will
display? Then again, I don't see firmware for the 7i80HD with say 2x7i77
+7i74. Can I use the 7i80DB firmware?

Regards
Henk




Its possible, but needs custom firmware (7I80DB firmware will not work)






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Peter Wallace
Mesa Electronics

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Re: [Emc-users] Connecting Mesa 25 pin daughtercards to 50 pin FPGA card??

2022-05-02 Thread andy pugh
On Mon, 2 May 2022 at 05:37,  wrote:
>
> HI
> Is this possible?
> For example, can I connect a 7i77 + 7i74 to a 7i80HD using a special cable?

Do you already have the daughter cards? ie it is too late to swap to
7i33TA and 7i44 ? Both are relatively cheap and in stock.

I think that it is possible, as you have too many rather than too few outputs.
(as has been pointed out, Mesa has an adaptor, which appears to be
entirely passive)

Where are you? I can probably be persuaded to do a swap, I have a
7i80DB for testing purposes and a 7i80HD would probably work just as
well for that. But postage and import taxes might make that
unfeasible.

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1912


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Re: [Emc-users] Connecting Mesa 25 pin daughtercards to 50 pin FPGA card??

2022-05-02 Thread Jérémie Tarot
Hi

Le lun. 2 mai 2022 à 06:36,  a écrit :

> HI
> Is this possible?
>

This may be helpful
http://store.mesanet.com/index.php?route=product/product_id=285
... If you can get one !

TY
J

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[Emc-users] Connecting Mesa 25 pin daughtercards to 50 pin FPGA card??

2022-05-01 Thread hdpreez2
HI
Is this possible? 
For example, can I connect a 7i77 + 7i74 to a 7i80HD using a special cable?
I see there is a converter board on Mesa's website, but I only realised now
that I messed u when ordering, and also the 7i80DB's were out of stock.

For this case, can I just refer to the pinout config that mesaflash will
display? Then again, I don't see firmware for the 7i80HD with say 2x7i77
+7i74. Can I use the 7i80DB firmware? 

Regards
Henk



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