2016-02-09 10:48 GMT+01:00 Holm Tiffe <h...@freibergnet.de>: > Christian Corti wrote: > > > On Mon, 8 Feb 2016, Mattis Lind wrote: > > >layers of of a multilayer PCB. As mentioned earlier in this thread I > did > > >such a conversion on a MSV11-D board more than 25 years ago and then I > had > > >to lift up this pin and connect it via an extra wire. > > > > What about the DRAM refresh? 4116 have a 7 bit refresh address, whereas > > the 4164 need 8 bit addresses. > > > > Christian > > Not all, some of them still use 7Bit: > > http://www.minuszerodegrees.net/memory/4164.htm
Yes. The chips used in this case were Fujitsu MB8264-15. They seemed to work fine as they used 7 bit refresh, but it now is so long ago so I have forgotten the details. > > > Regards, > > Holm > > -- > Technik Service u. Handel Tiffe, www.tsht.de, Holm Tiffe, > Freiberger Straße 42, 09600 Oberschöna, USt-Id: DE253710583 > www.tsht.de, i...@tsht.de, Fax +49 3731 74200, Mobil: 0172 8790 741 > >
