Re: MOS8520R4 - 1988 vs. 1991

From: Mia Magnusson <mia_at_plea.se>
Date: Wed, 29 Jan 2020 17:56:51 +0100
Message-ID: <20200129175651.00003505_at_plea.se>
Den Wed, 29 Jan 2020 16:58:14 +0100 skrev silverdr_at_wfmh.org.pl:
> 
> 
> > On 2020-01-29, at 15:49, Mia Magnusson <mia_at_plea.se> wrote:
> > 
> >>>> Changing the revision would have forced them to use new
> >>>> part/order numbers for the customers.
> >>> 
> >>> Did they have any external customers though?
> >> 
> >> Not sure if MOS/CSG directly but CBM surely had Authorised Dealers
> >> as external customers. 
> > 
> > Are you refering to dealers selling complete computers? That kind of
> > doesn't really count as in that case the chips could just as well
> > had been unmarked blobs.
> 
> I am not sure what you mean. You could order whole computers for
> resale and you could order parts. Either for resale or for servicing.

Yeah, but were there any major customers in the later years? I'm not
counting service/repairs (including individuals who did repair
computers at home, third party repair shops and so on) and the
occational hobbyist wanting dual SIDs or similar.

Like in the 1970's MOS chips ended up in other major companies
products, including ROMs for Atari.

We know for sure that parts like VIC, VIC-II, SID, CIA and the Amiga
chipset never ended up in any other companies products.

At some point in time the MOS/CSG products must had stopped being
competitive in the semiconductor market.

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Received on 2020-05-30 00:32:49

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