[Coco] 2764 EPROM vs 2864 EEPROM

[Luis Antoniosi (CoCoDemus)]

I bought recently a TOP853 from some chinese ebay seller.

It's a true USB burner. Although the software is 100% Windows, I created a
VirtC64Jual Box WinXP image and I can burn direct from it running from
Linux.


I just burn 2x 27C64 eproms today.



On Sun, Sep 29, 2013 at 1:03 PM, Chad H <chadbh74 at hotmail.com> wrote:

> This site also seems to have Willem programmers.  I have not dealt with
> them
> before though so I can't confirm their quality or vouch for tech support.
>
> http://keeelectronics.com/
>
>
>
> -----Original Message-----
> From: coco-bounces at maltedmedia.com [mailto:coco-bounces at maltedmedia.com]
> On
> Behalf Of Steven Hirsch
> Sent: Sunday, September 29, 2013 10:58 AM
> To: CoCoList for Color Computer Enthusiasts
> Subject: Re: [Coco] 2764 EPROM vs 2864 EEPROM
>
> On Sun, 29 Sep 2013, Gene Heskett wrote:
>
> > On Sunday 29 September 2013 10:34:33 Steven Hirsch did opine:
> >
> >> On Sun, 29 Sep 2013, Gene Heskett wrote:
> >>> Now that worked, but the file links are all #403.  I will order the
> >>> big Willem kit if and when a good CC arrives
> >>
> >> If you are thinking of buying from Sivava, be aware that you will
> >> have none, nada, zero, zilch tech support.  He is happy to take your
> >> money, but does not respond to e-mail after the unit is in your hands.
> >
> > Thanks for the heads up Steve.  I take it that the SW I just
> > downloaded for linux will likely not work with it either.
> >
> > I take it then that this is an example of some jerk buying out a good
> > product, and then modding it just enough to make a captive customer,
> > and then not supporting that customer.
> >
> > One of the worlds surplus rectums IOW.
>
> He did not make himself a lot of friends in the Willem community.  There
> are
> other folks offering "real" Willem programmers without proprietary mods.  I
> think you'd be better served with one of them.  eBay should turn some up.
>
>
> >> Also, if mine is any example, it has been subtely modified from the
> >> public Willem standard and is dependent on Sivava's modified software
> >> (for which no source is available).
> >>
> >> Finally, the charge-pump scheme used to develop the 21V rail for
> >> programming older NMOS parts is generally not able to source enough
> >> current for reliable programming.  There's plenty of discussion on
> >> this on the Willem forums (not sure they are still online).  I ended
> >> up buying a retro-fit kit from one of the folks there since I blow a
> >> fair number 2708, 2716, 2732 etc.
> >>
> >> As always, Caveat Emptor!
> >>
> >> Steve
> >
> >
> > Cheers, Gene
> > --
> > "There are four boxes to be used in defense of liberty:
> > soap, ballot, jury, and ammo. Please use in that order."
> > -Ed Howdershelt (Author)
> >
> > news: gotcha
> > A pen in the hand of this president is far more dangerous than 200
> > million guns in the hands of
> >         law-abiding citizens.
> >
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> >
>
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