From: RayBryan (raycomp_at_visi.com)
Date: 2007-12-14 00:12:34
On Dec 13, 2007, at 12:55 PM, silverdr@inet.com.pl wrote: > On 2007-12-13, at 19:12, raycomp wrote: > >> Jim, >> Is there a reason why the Commodore expansion port ground lines >> are not used on the PCB layout (shown on the Schematic? >> Confusing to me is that some of the ICs do not show a connection >> to VCC on the Schematic but the PCB layout has them connected. > > I haven't checked the particular pictures but generally if the part > (IC) has the common signals defined in its description, there is no > need to connect all the obvious "physical" pins on the schematics. > One connects only the "logical" components and the obvious signals > are taken into account automatically. well, fine if that is the convention. I was just pointing out that on the connections on the plan and those on the board do not match. Jim asked for a review. --Ray --------------------------------------------------------------- |Raymond C. Bryan 651-642-9890 vox | The battle is sometimes | |Raymond Computer 651-642-9891 fax | to the small for | |795 Raymond Ave -email: raycomp | the bigger they are | |St Paul MN 55114 @visi.com | the harder they fall. | |USA Amiga - Commodore | -- James Thurber -- | http://www.raymondcomputer.com --------------------------------------------------------------- Message was sent through the cbm-hackers mailing list
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