Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!rutgers!cbmvax!joe From: joe@cbmvax.commodore.com (Joe O'Hara - Product Assurance) Newsgroups: comp.sys.amiga.hardware Subject: Re: Probs adding RAM to A3000 Message-ID: <13196@cbmvax.commodore.com> Date: 13 Jul 90 12:31:10 GMT References: <10870001@hpfcso.HP.COM> Reply-To: joe@cbmvax (Joe O'Hara - Product Assurance) Organization: Commodore, West Chester, PA Lines: 17 In article abair@turbinia.sps.mot.com (Alan Bair) writes: >As I remember it, when you add ZIPs in the fast RAM section you are suppose >to move the 1M of DIPS over to the chip RAM section. You can't have both at >the same time because the sockets are wired in parallel(?). In fact you cannot >mix 256K and 1M ZIPs in the fast RAM section. So if you want to eventually >have 16MB on the motherboard, you should only expand with the 1M ZIPs. You can leave the 1MB fast ram dips in place if the added zips are the same type (static column vs page mode) _and_ the same size (256x4). However, bank one of the zip sockets must be left empty in this case. -- ========================================================================== Joe O'Hara || Disclaimer: I didn't say that! Commodore Electronics Ltd || Product Assurance || "I never lie when I have sand in my shoes." Systems Evaluation Group || - Geordi LeForge, Star Trek TNG ==========================================================================