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Re: Gryphon 68030 [message #819 is a reply to message #813] Tue, 14 June 2016 03:18 Go to previous messageGo to previous message
lynchaj is currently offline  lynchaj
Messages: 1080
Registered: June 2016
Senior Member
Hi
Did some more minor changes to the PCB last night. Added the video chip adapter. We can also use the Ethernet to a chip adapter. I think this is the one to use.

http://www.proto-advantage.com/store/product_info.php?produc ts_id=2600016

However these chip adapters are large and take up a lot of PCB space so it would be good to reduce components to free up some room.

Some preliminary trace routing has shown the board has a generally good layout but still needs more refinements to clear paths. Also there are a lot of overlapping labels. I will try to fix those as best I can.

I think the Ethernet chip is also rotated so it would installed so it would look upside down. The pin 1 dot indicator should probably be in the lower left hand corner for the label to read correctly (consistently) in the present board orientation.

Thanks

Andrew Lynch

PS some good news is that with the video chip adapter we can go back to a more normal 0.008" trace width for regular traces and 0.025" for power traces.

[Updated on: Tue, 14 June 2016 03:19]

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