From 6f6e3ddf8c51266d91a0c66b977aaae027b44f02 Mon Sep 17 00:00:00 2001 From: tomse <1444539+tomse@users.noreply.github.com> Date: Fri, 16 Nov 2018 22:22:50 +0100 Subject: [PATCH] Update README.md --- README.md | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/README.md b/README.md index d6f8777..701c050 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,12 @@ # 23c64-to-27c64_128-adapter A 23C64 ROM to 27C64/27C128 adapter + +Meaning you can add a 27C64 or 27C128 eprom to the adapter, and plug the adapter into one of the rom sockets of i.e. the C64, C128 etc. + +To use a 27C64, you only need a 28pin socket and 2 x 12pin sil headers, preferably turned / tulip. + +To use a 27C128, you need a 4k7 - 10k ohm resistor, a wire with a 2 way switch connected to the 2 pin header. This will make you able to switch between 2 rom files (each 8kB) in the 16kB eprom. + +You can buy the adapter here: +https://restore-store.de/ +