> ... Here's the pinout of a 4164: ... as seen from the top. (JIC) ----- Original Message ----- From: "Gerrit Heitsch" <email@example.com> To: <firstname.lastname@example.org> Sent: Friday, December 16, 2016 11:59 AM Subject: Re: D2164A-20 > On 12/16/2016 12:12 AM, Terry Raymond wrote: >> Hi all, >> >> I found out my C128 does have D2164A-20 DRAM >> >> The previous owner installed it, terrible desoldering, terrible >> soldering, so I'm having to clean it up, >> Carefully. As far as desoldering older RAM chips! >> >> One wire came off so in moving it the other one did, is it pin4 that is >> grounded? > > No... Here's the pinout of a 4164: > > _____ > NC [o V ] GND > Din [ ] /CAS > /WE [ ] Dout > /RAS [ ] A6 > A0 [ ] A3 > A2 [ ] A4 > A1 [ ] A5 > Vcc [_____] A7 > > > The 'V' is the notch in the package and the 'o' is the mark for pin 1 > that some of them have. > > To help count: NC = pin1, GND = pin16, Vcc=pin8, A7=pin9 > > Gerrit > > > > Message was sent through the cbm-hackers mailing list Message was sent through the cbm-hackers mailing listReceived on 2016-12-16 19:00:01
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