1 files changed, 2 insertions, 0 deletions
diff --git a/tor2-hw.h b/tor2-hw.h
index 5d80bb0..a0f95ae 100755
--- a/tor2-hw.h
+++ b/tor2-hw.h
@@ -97,6 +97,8 @@
  *
  *  0x403 Write  -> TEST2, writing to bit 0 drives TEST2 pin.
  *
+ *  0x404 Write  -> ctlreg1 as follows:
+ *	bit 0 - Non-REV.A Mode (Set this bit for Dallas chips later then Rev. A)
  */
 
 #ifdef NEED_PCI_IDS