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LinuxCNC
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General LinuxCNC Questions
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Suggestion for a PCI EPP card for 7i43
Suggestion for a PCI EPP card for 7i43
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06 Nov 2024 23:10 #313972
by cornholio
BTW it works with my custom hardware running a modified version of 7c81 bitfile that communicates via EPP.
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07 Nov 2024 00:02 #313977
by tommylight
See at the bottom of the picture, it does support SPP, tristate and EPP.
This is the PCI-E version from the link i posted before, there is also where to find such cards.
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07 Nov 2024 07:56 #313996
by juliankoenig87
Thank you all.
So, I will give it a try. As far as I can see there is no header on the motherboard (small form factor).
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09 Nov 2024 19:19 - 09 Nov 2024 19:25 #314139
by juliankoenig87
The card arrived. PCI to parport Sunix. Looks like it works.
But I try to power the 7i43 and it looks like it is faulty. With W4 and W5 down I can make the 3 leds on the bottom light a little bit at 2,9V and 0,5A. But at 5V and around 0,4A nothing shines anymore. Looks like somithing is wrong.
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09 Nov 2024 22:23 #314148
by PCW
If you don't get a power LED at 5V, that's not a good sign
as it may indicate a 3.3V power issue (bad chip?)
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09 Nov 2024 23:25 - 09 Nov 2024 23:27 #314154
by juliankoenig87
I dont know. I bought it used.
U6 aprox. 1,23V
U10 aprox. 0,60V
Supply each 4,87V
3,3 V header also 0,6V.
So yes. Looks like a short in any chip.
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Posts: 17808
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Thank you received: 4746
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10 Nov 2024 00:37 #314161
by PCW
Could also be an almost dead short on the 3.3V rail.
If you have a lab supply you could set it to 3.3V,connect
it to the 3.3V rail and ramp up the current to see what
part(s) get(s)s hot.
Where are you located?
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LinuxCNC
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General LinuxCNC Questions
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Suggestion for a PCI EPP card for 7i43
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