Op Ma, maart 27, 2017 01:00 schreef Christian Dirks: > Am 26.03.2017 um 16:10 schrieb Richard Lagendijk: > >> I'm organising my collection and I found an expansion. But I do not >> know what it is. It has 8 RAM chips and a lot of logic ICs. No markings >> on the PCB (could be home-made). >> It was in a box with other PET things. >> http://www.richardlagendijk.nl/div/mistery_expansion_pet.jpg >> Does anybody has an idea? >> > > Looks very familiar to me. > Seems to be one of the many bootlegs of Helmut Proxas MW8160/8096A > boards, a 64k expansion for the 8032. It plugs into the 6502 socket, and > the 6502 plugs in the board. It is compatible to the commodore 64k > expansion, which makes a 8032 a 8096, and has some additional features. > The original version from Helmut allows stacking another row of 4164 on > it, to get a 8160 (32k + 64k + 64k = 160k). > > I sent Helmut the link to have a look at it. > > > > -- > Christian Dirks > Toast_r@Idealine.info > > > > > Yes, on the bottom side of the PCB there is a socket that can connect to a 6502 socket on the motherboard. The cable connects to the 5VDC regulator on the PCB. Richard Message was sent through the cbm-hackers mailing listReceived on 2017-03-27 07:00:02
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