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-rw-r--r--converter/ibm4704_usb/README.md6
-rw-r--r--converter/ibm4704_usb/config.h2
2 files changed, 5 insertions, 3 deletions
diff --git a/converter/ibm4704_usb/README.md b/converter/ibm4704_usb/README.md
index 852a4448ac..6541dd6d0c 100644
--- a/converter/ibm4704_usb/README.md
+++ b/converter/ibm4704_usb/README.md
@@ -2,10 +2,12 @@ IBM 4704 to USB keyboard converter
==================================
This firmware converts IBM 4704 keyboard protocol to USB HID.
+Keyboard initialization process takes a few seconds at start up. During that you will hear buzzer from the keyboard. **You need to plug USB cable after hooking up your keyboard to the converter.**
+
4704 Connector
--------------
- Keyboard Plug from front
+Keyboard Plug from front:
DSUB-9
-------------
@@ -24,7 +26,7 @@ Connection
In case of using ATMega32U4(Teensy2.0):
1. Supply power with VCC and GND.
-2. Connect CLOCK to PD1 and DATA to PD2. You can change pin with config.h.
+2. Connect CLOCK to PD1 and DATA to PD0. You can change pin with config.h.
3. Optionally you may need pull-up register. 1KOhm probably work.
diff --git a/converter/ibm4704_usb/config.h b/converter/ibm4704_usb/config.h
index 8c2d08f6f2..befed0d530 100644
--- a/converter/ibm4704_usb/config.h
+++ b/converter/ibm4704_usb/config.h
@@ -50,7 +50,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define IBM4704_DATA_PORT PORTD
#define IBM4704_DATA_PIN PIND
#define IBM4704_DATA_DDR DDRD
-#define IBM4704_DATA_BIT 2
+#define IBM4704_DATA_BIT 0
/*
* Pin interrupt