diff --git a/README.md b/README.md
index 2ee5bd5..bf5ef55 100644
--- a/README.md
+++ b/README.md
@@ -14,12 +14,15 @@
   * unconfigurable
     * Connect all 2-pad solder bridges
     * Do not populate the pullup resistors
+    * Do not connect any DIP switches
   * 1-sided, 2-bit configurable
     * Only connect the 2-pad solder bridges beneath the PLCC socket
     * Populate the pullup resistors on the front side
+    * Only connect 2 DIP switches in the two center positions.  Leave the two outer positions unpopulated.
   * 2-sided, 4-bit configurable
     * Don't connect any of the 2-pad solder bridges
     * Populate the pullup resistors on both sides
+    * Connect all 4 DIP switches.
 
 ## Image Generation