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Author Topic: For all your USB Needs  (Read 1332 times)
1l1l11ll1l
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June 20, 2012, 05:46:01 AM
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http://www.thinkgeek.com/computing/usb-gadgets/eecf/

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June 20, 2012, 06:15:19 AM
 #2

yea, when i saw this is the newsletter yesterday (from thinkgeek that is) i imediately wondered how good it would be for a batch of FPGA's.

course with that many cables ya'd need some sort of ducting just to handle then all and keep them untangled...
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June 20, 2012, 02:17:16 PM
 #3

Wow it's $90!  Shocked

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June 21, 2012, 01:31:39 AM
 #4

The power adapter is only 5V @ 4A. That's only ~20Watts. How much power from your typical FPGA is taken from the USB port itself?

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June 21, 2012, 02:45:31 AM
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The power adapter is only 5V @ 4A. That's only ~20Watts. How much power from your typical FPGA is taken from the USB port itself?

to my knowledge, none. they have seperate power usually, since they each need about 20watts. i'm going off what i've seen/read here though.
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June 24, 2012, 09:36:00 PM
 #6

It looks like a switch..... I doubt all USB ports can be used at one time.
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June 25, 2012, 12:19:31 AM
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would something like this: http://www.ebay.com/itm/NEW-10-PORTS-USB-HUB-2-0-High-Speed-w-Power-AC-Adapter-For-Laptop-PC-Computer-/330751373955?pt=US_USB_Cables_Hubs_Adapters&hash=item4d02517283#ht_3471wt_1396
work good for 8 asic's? just planning ahead in case BFL delivers in October.

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June 25, 2012, 12:56:54 AM
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until we know the actual power draw the jalepeno's need from the usb port, it's a guess. but since that is a power hub, it should suffice. again, guessing though.
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June 25, 2012, 01:05:37 AM
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beware tho, many USB hubs are infact daisychain internally.... and some USB controllers dont like that.
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June 25, 2012, 01:50:08 AM
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beware tho, many USB hubs are infact daisychain internally.... and some USB controllers dont like that.

Yeah, I'm guessing (hoping?) that they had the foresight to build in a connector for external power.

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June 25, 2012, 02:18:42 AM
 #11



It looks like 4A extra.

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