On 12/10/2016 07:12 PM, geneb wrote: > On Sat, 10 Dec 2016, Gerrit Heitsch wrote: > >> On 12/09/2016 02:45 AM, Terry Raymond wrote: >>> Hi Todd George and all, >>> Thanks for the URL's for finding older IC's etc. >>> >>> I found a few different 4164's and the fastest is 4164-20 would this >>> function in a C128? >> >> The fastest? The 4164-20 are the slowest 4164 I have seen so far... >> They should work, but make sure you don't get MT4264 though, those are >> known to not age well. > > The go-to source for stuff like this is Unicorn Electronics. > http://www.unicornelectronics.com/IC/DYNAMIC.html If you're in Germany, get 101 047 from www.pollin.de. That's a NOS GM71256-12 (41256), sells for 40 Cents and will work in a C64 if you connect Pin 1 to Pin 16. There is no reason why it shouldn't work in a C128 or any other system that uses 4164, as long as the DRAM controller supplies an 8Bit refresh (VIC and TED do). Gerrit Message was sent through the cbm-hackers mailing listReceived on 2016-12-10 19:01:20
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