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Author Topic: FPGAArcade case  (Read 17025 times)

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Offline Everblue

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Re: FPGAArcade case
« Reply #29 on: December 29, 2011, 06:01:34 PM »
Quote from: TheDaddy;673444
Exactly, we need to know the exact power/voltages needed by the fpga.


Well Darrin said that he used the Minimig PSU with it. I wonder if he had any problems with it?

Let us know Darrin =)
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Offline Darrin

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Re: FPGAArcade case
« Reply #30 on: December 29, 2011, 06:16:38 PM »
Quote from: Nostromo;673445
Well Darrin said that he used the Minimig PSU with it. I wonder if he had any problems with it?

Let us know Darrin =)


None at all.  The only reason I stopped using it was that I needed it again to run my Minimig v1.1 along-side the FPGA Arcade for testing software.

For the record, I use this PSU on my Minimig:

NEXXTECH "Universal AC/DC Adaptor"
Model:  MAC500MA
Input:  120 60Hz 12W
Output:  3, 4.5, 6, 7.5, 9 & 12v DC
Current:  500mA Max

It also has a polarity switch (make sure it is positive on the tip).  It works with the Minimig on the 4.5v or 6v setting (there is no 5v setting), but I have been advised by Mike that the FPGA Arcade should only be used on a 5v setting or the 4.5v setting using this adapter.
« Last Edit: December 30, 2011, 04:35:18 AM by Darrin »
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Offline TheDaddyTopic starter

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Re: FPGAArcade case
« Reply #31 on: December 29, 2011, 07:18:03 PM »
This any good to power the Re-play up?

http://linitx.com/product/12383
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Offline Everblue

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Re: FPGAArcade case
« Reply #32 on: December 29, 2011, 07:20:19 PM »
TheDaddy why bother with those? They are too expensive and you still need an external PSU. If you just use a normal PSU using the 5V pin, it is way cheaper.
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Offline TheDaddyTopic starter

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Re: FPGAArcade case
« Reply #33 on: December 29, 2011, 07:40:07 PM »
Quote from: Nostromo;673466
TheDaddy why bother with those? They are too expensive and you still need an external PSU. If you just use a normal PSU using the 5V pin, it is way cheaper.


I suppose you are right as long as people can find one.

I think the hole is the same as the one for the Minimig so  that is covered ;)
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Offline Everblue

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Re: FPGAArcade case
« Reply #34 on: December 29, 2011, 07:42:02 PM »
=)

I wonder how much power does the RePlay need when it is running with the expansion board with a '060 on top of it.
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Offline bbond007

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Re: FPGAArcade case
« Reply #35 on: December 29, 2011, 08:20:12 PM »
Quote from: Darrin;673440
LOL.  I'm going to have to hunt down a tap measure now.  I've got a HP Pavilion dv8...


toshiba qosimo

not real portable. like 16 lbs with the huge power brick:-)
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Offline Darrin

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Re: FPGAArcade case
« Reply #36 on: December 29, 2011, 08:30:52 PM »
Quote from: bbond007;673479
toshiba qosimo

not real portable. like 16 lbs with the huge power brick:-)


Same sort of thing here.

I travel a lot on business so I'm more interested in a "portable desktop" than a light laptop (and netbooks can go to hell).  :)
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Offline mikej

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Re: FPGAArcade case
« Reply #37 on: December 29, 2011, 09:07:13 PM »
For the base board 5V 1A is fine (5W).

Measurements on the prototype daughterboard show total current of about 2.1A not
including USB power to peripherals.

So, say 3-4A to be safe at 5V. Thats 15-20W.
/MikeJ
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Offline TheDaddyTopic starter

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Re: FPGAArcade case
« Reply #38 on: December 29, 2011, 10:29:11 PM »
Quote from: mikej;673482
For the base board 5V 1A is fine (5W).

Measurements on the prototype daughterboard show total current of about 2.1A not
including USB power to peripherals.

So, say 3-4A to be safe at 5V. Thats 15-20W.
/MikeJ



Perfect. So are you going to leave it to the user to provide power or maybe include the power with the fpgaarcade? What does everyone think?

Is there a power adapter (like the ones for the Minimig) which satisfies those power requirements? Ebay?
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Offline Everblue

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Re: FPGAArcade case
« Reply #39 on: December 29, 2011, 10:34:09 PM »
I like that way best, as long as these are not too difficult to find.
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Offline Everblue

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Re: FPGAArcade case
« Reply #40 on: December 29, 2011, 10:46:26 PM »
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Offline _ThEcRoW

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Re: FPGAArcade case
« Reply #41 on: December 29, 2011, 11:02:42 PM »
Is possible to use usb onboard the arcade replay?
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Offline Everblue

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Re: FPGAArcade case
« Reply #42 on: December 29, 2011, 11:09:19 PM »
Eventually yes it seems.
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Offline bbond007

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Re: FPGAArcade case
« Reply #43 on: December 29, 2011, 11:18:54 PM »
Quote from: Darrin;673480
Same sort of thing here.

I travel a lot on business so I'm more interested in a "portable desktop" than a light laptop (and netbooks can go to hell).  :)


I did have a picture of the qosimo in one of those airport screening bins. It actually perfectly goes into one of those, and you can't get your fingers in beside it when you go to remove it which is really frustrating when you have no belt or shoos.
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Offline mikej

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Re: FPGAArcade case
« Reply #44 from previous page: December 29, 2011, 11:20:44 PM »
The PSU looks ok, note the connector is a 2.1mm jack on the board but a 2.5mm will fit but may be slightly lose.

Please make sure you use 5V regulated supply, the 5V rail has some protection for overvoltage but it is not regulated on board.

The USB in the base board is used for re-flashing the ARM, it is not designed for connecting stuff to.
/MikeJ
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