RetroBrew Computers Forum
Discussion forum for the RetroBrew Computers community.

Home » RBC Forums » General Discussion » Gryphon 68030
Re: Gryphon 68030 [message #821 is a reply to message #819] Tue, 14 June 2016 06:52 Go to previous messageGo to previous message
yoda is currently offline  yoda
Messages: 125
Registered: October 2015
Location: Cedar Rapids, IA
Senior Member
lynchaj wrote on Tue, 14 June 2016 05:18
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.


I like the idea of adapters for the SMT. On the ethernet you might want to just put the footprint on the board in the center and pins for the adapter around it so builders can choose which way they want to go. The ethernet is not too bad to solder at 0.65 mm spacing, the 0.4mm on the video is much more of a challenge. I would suggest that we make up adapters for these 2 chips and someone with SMT skills in the group may be able to supply them as Andrew B had suggested. The price of the adapters are kind of expensive.
 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: SBC VER 2 First Build with K13 next to ECB Connector
Next Topic: My 6809 board: MAXI09


Current Time: Fri Sep 26 17:41:06 PDT 2025

Total time taken to generate the page: 0.01059 seconds