[vcf-midatlantic] Identifying C64 motherboards

Jeffrey Brace jeffrey at vcfed.org
Mon Mar 29 01:15:39 UTC 2021


On Sun, Mar 28, 2021 at 7:19 PM Jeff Salzman via vcf-midatlantic <
vcf-midatlantic at lists.vcfed.org> wrote:

> It's quite a bit of information to weed through, but you may be able to
> narrow the revision of C64 you have by comparing it to others who have
> entered their C64 into this public registry.
>

OK. I will do that. I'm starting to piece together information that is more
reliable. Thanks!


>
> Commodore 64 (C64) Preservation Project
> <https://c64preservation.com/dp.php?pg=registry>
>
> If you find many that have the same physical features, colors, looks as the
> one you have, and have the same revision designation, then you can consider
> it a public consensus as to what revision you have.
>
> As for rarity, it's still anybody's guess for the most part. Ebay prices
> generally do not correlate to revision because most people don't specify
> revision numbers in their ads.
>
> Jeff Salzman
>
> On Sun, Mar 28, 2021 at 7:12 PM Jeffrey Brace via vcf-midatlantic <
> vcf-midatlantic at lists.vcfed.org> wrote:
>
> > On Sun, Mar 28, 2021 at 7:10 PM Bill Degnan via vcf-midatlantic <
> > vcf-midatlantic at lists.vcfed.org> wrote:
> >
> > > This is why I am saying use the motherboard revisions to know which C64
> > you
> > >
> >
> > You mean the Assembly number and not whether is says "Rev A" or "Rev C"
> or
> > something else like that?
> >
> >
> > > have.  There are too many boards and variations to simplify into  Rev A
> > and
> > > rev B etc ... and there is no consensus.  It's not accurate to rely on
> > > exterior characteristics like the color of the logo, number of holes
> for
> > > the video port, etc.
> > >
> > > B
> > >
> > > On Sun, Mar 28, 2021 at 6:58 PM Jeffrey Brace via vcf-midatlantic <
> > > vcf-midatlantic at lists.vcfed.org> wrote:
> > >
> > > > On Sun, Mar 28, 2021 at 4:48 PM Alexander Pierson via
> vcf-midatlantic <
> > > > vcf-midatlantic at lists.vcfed.org> wrote:
> > > >
> > > > >  Jeff,
> > > > > https://www.c64-wiki.com/wiki/Motherboard
> > > > >
> > > > > Something like this?  Sure, it may not have the pricing part down,
> > but
> > > it
> > > > > has the technical aspects covered pretty solidly.
> > > > >
> > > >
> > > > Maybe. This site (
> > > >
> > https://www.breadbox64.com/c64-hardware/commodore-64/assy-250425-rev-a/)
> > > > seems to confuse me with Assembly number: 250425 having an Rev A &
> > Rev. B
> > > >
> > https://www.breadbox64.com/c64-hardware/commodore-64/assy-250425-rev-b/.
> > > > If
> > > > your site is more trustworthy, then I would assume that
> breadbox64.com
> > > is
> > > > just wrong and there is *only* a Rev. B version. I might need a third
> > > > opinion to verify.
> > > >
> > > >
> > > > > I don't recall seeing a Rev. A sell by itself to know how much it
> > goes
> > > > > for.  I do know that silver labels with Rev. A or B tend to fetch
> > > upwards
> > > > > of $200 on ebay these days.
> > > > > -Alexander 'Z' Pierson    On Sunday, March 28, 2021, 04:08:43 PM
> EDT,
> > > > > Jeffrey Brace via vcf-midatlantic <vcf-midatlantic at lists.vcfed.org
> >
> > > > > wrote:
> > > > >
> > > > >  Hey everyone. I want to start knowing all the differences between
> > > > > motherboards for the C64. A Google search shows some website, but
> > some
> > > > have
> > > > > mistakes. I prefer a site which has a picture and not a schematic.
> > > > >
> > > > > Part of the reason is to know the differences for repairing, and
> part
> > > is
> > > > > for selling.
> > > > >
> > > > > I believe that Rev. A are worth more. Anyone know about selling
> price
> > > for
> > > > > this version of the motherboard?
> > > > >
> > > > > Thanks!
> > > > >
> > > > > Jeff Brace
> > > > > =========================================
> > > > > Vice President & Board Member
> > > > > Vintage Computer Festival East Show-runner
> > > > > Vintage Computer Federation is a 501c3 charity
> > > > > http://www.vcfed.org/
> > > > > jeffrey at vcfed.org
> > > > >
> > > > >
> > > >
> > >
> >
>


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