X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver/blobdiff_plain/ddd89a532254ddca2f82ab57cbbae5b3c1bbe31a..ddb9214f8df9d6be978eefb3f98b2f2055f3c3e0:/README

diff --git a/README b/README
index 5ce99d8..a05ae7c 100644
--- a/README
+++ b/README
@@ -69,11 +69,19 @@ these steps:
 2. Install the package containing /sbin/fxload from your linux distribution.
    It is usually called "fxload"
 
-3. copy the file /path/to/ISE/bin/lin/xusbdfwu.hex to /usr/share/xusbdfwu.hex
+3. copy the files /path/to/ISE/bin/lin/xusb*.hex to /usr/share/
 
 4. restart udev and re-plug the cable
 
 
+If you have multiple cables connected, you can specify the cable to use
+in the XILINX_USB_DEV environment-variable as "bus:device".
+These identifiers are available in the output of lsusb:
+Bus 001 Device 004: ID 03fd:0008 Xilinx, Inc.
+    ^^^        ^^^
+To use this cable, set the XILINX_USB_DEV variable to "001:004".
+
+
 Notes for the parallel cable
 ============================