--- a/README.markdown Sat Apr 13 11:11:51 2019 -0400
+++ b/README.markdown Sun Apr 14 15:13:07 2019 -0400
@@ -413,3 +413,19 @@
documented. I tried debugging the display corruption with the info from the
email Luther sent (getting a bunch of text on the screen and pressing the Auto
button) but that didn't seem to help. Emailed back.
+
+## 2019-04-14
+
+More troubleshooting of the Lisp machine video issues. Borrowed a miniDP/VGA
+dongle and TV with a VGA input (apparently they still exist) from a friend, and
+got a new VGA cable. The results are very confusing:
+
+* Cable makes no different in any scenario.
+* WORKS: Macbook miniDP to dongle to Elecrow VGA
+* WORKS: Thinkpad miniDP to dongle to Elecrow VGA
+* WORKS: Lisp Machine VGA to TV VGA
+* BORKED: Lisp Machine VGA to Elecrow VGA
+
+Emailed the author back with my results. This is really strangeā¦ I would have
+expected either the monitor or the Lisp Machine were the problem, but they only
+seem to not work *together*.