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Content 4/4

DESCRIPTION

This is a modification of Alexey's original IO board design, so it includes the SDRAM chip as well.


This is the shorter version of the board, which keeps it below 10cm long, and usually means the PCBs are a bit cheaper.


I'm not 100% sure if the cutout for the fan hole is on the correct layer. When I first ordered a few of the boards, I had to manually cut that out with a Dremel.


The rendering on PCBway does show the cutout on most layers, but not all?


Please note that this version does NOT expose the extra IO connections from the Arduino headers on the MiSTer board. This board should work fine for all the usual functions, just not with those few spare IO signals broken out.


With the recommended AS4C16M16SA-6TCN chip, I was able to get the SDRAM to run fine at the full 167 MHz "stress test", but most cores won't need to run it faster than around 140 MHz anyway.


IIRC, I didn't move the positions of any of the sockets or headers compared to Alexey's original IO board, aside from possibly the fan header.




May 04,2018
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VOTING 2 votes
  • j****hen from HONG KONG
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    8.50
  • PCBWay Support from CHINA, PEOPLES REPUBLIC
    PCBWay Online Support Team
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    10.00
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