Re: C64 PCB

From: silverdr_at_wfmh.org.pl
Date: Sun, 7 Jul 2013 21:09:48 +0200
Message-Id: <708B7CF3-5ECD-4CA4-86F9-D3E0D85078DB@wfmh.org.pl>
On 2013-07-07, at 20:52, Wayne Sander wrote:

> I have three 326298A's (also a few others - 250407B, 250425 and 250469/4).  I just measured and the pin spacing on the 326298 is 1.0" between the ROM chips.  They are laid out in the same order as the 250407 -  BASIC, KERNAL and CHAR (U3, U4, U5).  It's cool because U6 is actually between U5 and U7 on this version.  Actually all the chips are arranged in numerical order.  I have never seen a 250441 but I would imagine it has 0.8" spacing like the versions before and after it do.  I hope this information helps.

It does - TNX - so we have two possibilities for "wide" boards (0.8" and 1.0") plus 0.9" for the SX.

-- 
SD!
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Received on 2013-07-07 20:00:08

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