X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver/blobdiff_plain/7824bbf66ef9cc123dfdb2653983fcc1cac07860..026cbe49ab643091a89fdfc7f9aa906db8658cad:/README

diff --git a/README b/README
index 13737b5..aa4eefe 100644
--- a/README
+++ b/README
@@ -72,6 +72,11 @@ ppdev
 To use the device as an ordinary user, put the user in the group 'lp'
 
 
+If you have an almost compatible cable which works with other software but not
+with Impact, try adding -DFORCE_PC3_IDENT to the CFLAGS line in the Makefile.
+This enables a hack by Stefan Ziegenbalg to force detection of a parallel cable.
+
+
 Parallel Cable IV is currently only supported in 'compatibility mode', as no
 attempt to configure the ECP registers is done by this library.