Adam Sampson's ram bookmarkshttps://bookmarks.offog.org/ats/ramAdam Sampson2015-05-03T01:25:20ZDDR3 Memory Timings Explained | MSI HQ User-to-User FAQhttps://bookmarks.offog.org/edit?url=https%3A%2F%2Fforum-en.msi.com%2Ffaq%2Farticle%2Fddr3-memory-timings-explained2015-05-03T01:25:20ZUseful when you're trying to understand what all the settings on the Allwinner DRAM controller are for.Tynemouth Software: ZX81 internal 16K RAMhttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fblog.tynemouthsoftware.co.uk%2F2014%2F07%2Fzx81-internal-16k-ram.html2014-07-24T11:24:26ZHow to fit a 62128/62256 to a ZX81. I wonder if I've got one that still has a working keyboard matrix...