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Author Topic: FPGA Replay Board  (Read 824980 times)

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Offline mikej

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Re: FPGA Replay Board
« Reply #1409 on: January 25, 2012, 09:02:56 AM »
I'm back home. This morning I've replaced the regulators on 8 boards and all are fine.
Over the next few days I'll continue building and testing the remain boards.
I'll be in touch first with those of you I have already contacted but not taken money from, and then the next people on the list etc.

I've visited the factory in Shenzhen last week and they have started to source components for the next run.
/Mike
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Offline Lizard

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Re: FPGA Replay Board
« Reply #1410 on: January 25, 2012, 10:24:56 AM »
Good to hear, can't wait to get one of these!
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Offline freqmax

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Re: FPGA Replay Board
« Reply #1411 on: January 25, 2012, 04:23:23 PM »
Quote from: mikej;677379
I've visited the factory in Shenzhen last week and they have started to source components for the next run.


So they build it without your physical assistance?

How large run will it be?
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Offline joemango

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Re: FPGA Replay Board
« Reply #1412 on: January 25, 2012, 09:13:19 PM »
Sweet!  Should be just around tax refund time. :)  Keep on truckin' MikeJ!
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Waiting patiently for my FPGA Replay.
 

Offline Firedawg

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Re: FPGA Replay Board
« Reply #1413 on: January 25, 2012, 09:21:01 PM »
Quote from: mikej;677379
I'm back home. This morning I've replaced the regulators on 8 boards and all are fine.
Over the next few days I'll continue building and testing the remain boards.
I'll be in touch first with those of you I have already contacted but not taken money from, and then the next people on the list etc.

I've visited the factory in Shenzhen last week and they have started to source components for the next run.
/Mike

Thanks for the update Mike!  My wife is sniffing around my wallet, as if I have something to hide. :roflmao:

Mike
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Offline freqmax

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Re: FPGA Replay Board
« Reply #1414 on: January 25, 2012, 11:40:04 PM »
Better hide the wallet in the "right" place.. :p
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Offline joemango

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Re: FPGA Replay Board
« Reply #1415 on: January 26, 2012, 10:53:48 PM »
how hard would it be to make an expansion card for FPGAReplay with an A1200 trapdoor connector or a 4000D bus connector?  I'm thinking mediator.
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A3000D 030/30  8MB fast, 500MB SCSI, HD floppy.  Sits in a box.
Waiting patiently for my FPGA Replay.
 

Offline freqmax

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Re: FPGA Replay Board
« Reply #1416 on: January 26, 2012, 11:06:58 PM »
Proberbly extra I/O board with it's own CPLD/FPGA and associated circuitry. And use a partly serialized version of the bus. Half the cost of Minimig perhaps?
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Offline trilow

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Re: FPGA Replay Board
« Reply #1417 on: January 28, 2012, 02:59:18 AM »
I'am quite interested in the FPGA Replay reading this thread since the beginning. :)  

But looking at the Homepage I ask myself how fast is the SD-Card access. Is it only 500kBytes / second like (it seems to me) on the minimig?
It looks like SD-Card is only interfaced with SPI which would be quite slow.  

for explanation see my post here:
http://www.minimig.net/viewtopic.php?f=9&t=452&start=10
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Offline trip6

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Re: FPGA Replay Board
« Reply #1418 on: January 28, 2012, 04:01:04 AM »
Great news Mike!!! Sounds like I might finally have one of these in hand by March... Can't hardly wait...
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Offline Haranguer

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Re: FPGA Replay Board
« Reply #1419 on: January 28, 2012, 07:42:00 AM »
@mikej

Did you get my email?  I sent it a couple of weeks ago and still haven't heard from you.
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Offline mikej

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Re: FPGA Replay Board
« Reply #1420 on: January 28, 2012, 11:19:23 AM »
Sorry, I'll check - I though I had caught up with the email back log.
/Mike
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Offline _ThEcRoW

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Re: FPGA Replay Board
« Reply #1421 on: January 28, 2012, 02:34:46 PM »
Whoohoo!. Can't wait! :)
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Offline bbond007

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Re: FPGA Replay Board
« Reply #1422 on: January 28, 2012, 02:49:07 PM »
Quote from: trilow;677818
I'am quite interested in the FPGA Replay reading this thread since the beginning. :)  

But looking at the Homepage I ask myself how fast is the SD-Card access. Is it only 500kBytes / second like (it seems to me) on the minimig?
It looks like SD-Card is only interfaced with SPI which would be quite slow.  

for explanation see my post here:
http://www.minimig.net/viewtopic.php?f=9&t=452&start=10


My minimig 1.1 does over 2000 in turbo mode....
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Offline mikej

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Re: FPGA Replay Board
« Reply #1423 on: January 28, 2012, 02:52:19 PM »
The Replay board has quite careful routing on the SPI lines, and uses DMA to speed things up. It ramps the clock up to 28MHz I think, if the card supports it.
MikeJ
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Offline freqmax

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Re: FPGA Replay Board
« Reply #1424 from previous page: January 28, 2012, 05:58:48 PM »
A 1-bit SPI would give a theoretical 3417 kB/s without overhead. Any real life values?, I hope there's 4-bit routed to the SD slot such that the "parallell SPI" mode can be exploited.
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