In the B / CBM2 series they are not used. The 6525 is used there. It may be possible to replace the second 6525 (keyboard port) with a 6523. didier derny <email@example.com> schrieb: >Frankly, I just remember that they existed from a presentation and >Hannover >Messe 1981 >Where some new chip were presented with the cbm 700. (first floor of >commodore booth) > >The on ebay are marked MOS MPS6523 2871 > >I dont remember exactly in what they were used I think it was in one >of >the B series too > > >-----Message d'origine----- >De : firstname.lastname@example.org >[mailto:email@example.com] De la part de Gerrit Heitsch >Envoyé : jeudi 24 octobre 2013 21:29 >À : firstname.lastname@example.org >Objet : Re: 6523 sold on ebay apparently a box of 2 > >On 10/24/2013 09:22 PM, didier derny wrote: >> Hi, >> >> Not sur what it really is but they have a little box containing 2 >> chips >> mps6523 >> >> If someone is interested > >> >> >http://www.ebay.fr/itm/RARE-MOS-Technology-MPS6523-Micro-Pair-in-Origi >> >nal-Box-NOS-NIB-2781-2-pieces-/251289234205?pt=LH_DefaultDomain_0&hash >> =item3a82016b1d >> > >Where was the 6523 used? I read somewhere you could use it in a 1551 >since >it doesn't use the IRQ-capability of the 6525, but since the 1551 is >running >at 2 MHz, it would have to be the 6523A. > > Gerrit > > > > > > Message was sent through the cbm-hackers mailing list > > > Message was sent through the cbm-hackers mailing list -- Christian Dirks Toast_r@Idealine.info Message was sent through the cbm-hackers mailing listReceived on 2013-10-24 20:02:03
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