Suggestion for a PCI EPP card for 7i43

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1 year 11 months ago #313972 by Cant do this anymore bye all
Replied by Cant do this anymore bye all on topic Suggestion for a PCI EPP card for 7i43
BTW it works with my custom hardware running a modified version of 7c81 bitfile that communicates via EPP.

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1 year 11 months ago #313977 by tommylight
Replied by tommylight on topic Suggestion for a PCI EPP card for 7i43
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.

Attachment not found

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1 year 11 months ago #313996 by juliankoenig87
Replied by juliankoenig87 on topic Suggestion for a PCI EPP card for 7i43
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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1 year 11 months ago #314001 by tommylight
Replied by tommylight on topic Suggestion for a PCI EPP card for 7i43
Check the green/black header.

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1 year 11 months ago #314139 by juliankoenig87
Replied by juliankoenig87 on topic Suggestion for a PCI EPP card for 7i43
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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1 year 11 months ago #314148 by PCW
Replied by PCW on topic Suggestion for a PCI EPP card for 7i43
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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1 year 11 months ago #314154 by juliankoenig87
Replied by juliankoenig87 on topic Suggestion for a PCI EPP card for 7i43
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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1 year 11 months ago #314155 by juliankoenig87
Replied by juliankoenig87 on topic Suggestion for a PCI EPP card for 7i43
Checked with ice. Maybe U9 gets a little to hot. Dont know yet.

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1 year 11 months ago #314158 by juliankoenig87
Replied by juliankoenig87 on topic Suggestion for a PCI EPP card for 7i43
Ok. To me it looks like that the voltage regulators are fried. Maybe an overvoltage damage.

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1 year 11 months ago #314161 by PCW
Replied by PCW on topic Suggestion for a PCI EPP card for 7i43
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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