diff --git a/examples/bare7.rs b/examples/bare7.rs
index 5c3ece8d7bbb9478ac11031344c4ec0c2520d7b5..c4f7231dc438118e3e25d9f27126ece5c9231a1c 100644
--- a/examples/bare7.rs
+++ b/examples/bare7.rs
@@ -33,7 +33,8 @@ fn main() -> ! {
     let rcc = p.RCC.constrain();
 
     // 16 MHz (default, all clocks)
-    let clocks = rcc.cfgr.freeze();
+    //let clocks = rcc.cfgr.freeze();
+    let clocks = rcc.cfgr.sysclk(84.mhz()).pclk1(42.mhz()).pclk2(64.mhz()).freeze();
 
     let gpioa = p.GPIOA.split();
 
@@ -48,6 +49,9 @@ fn main() -> ! {
         clocks,
     )
     .unwrap();
+    
+    let gpioc = p.GPIOC.split();
+    gpioc.pc9.into_alternate_af0().set_speed(hal::gpio::Speed::VeryHigh);
 
     // Separate out the sender and receiver of the serial port
     let (mut tx, mut rx) = serial.split();
@@ -145,15 +149,15 @@ fn main() -> ! {
 //
 //    What is the frequency of MCO2 read by the oscilloscope.
 //
-//    ** your answer here **
+//    84Mhz
 //
 //    Compute the value of SYSCLK based on the oscilloscope reading.
 //
-//    ** your answer here **
+//    84Mhz
 //
 //    What is the peak to peak reading of the signal.
 //
-//    ** your answer here **
+//    7.8V
 //
 //    Make a screen dump or photo of the oscilloscope output.
 //    Save the the picture as "bare_6_84mhz_high_speed"
diff --git a/pictures/bare_7_84mhz_high_speed.png b/pictures/bare_7_84mhz_high_speed.png
new file mode 100644
index 0000000000000000000000000000000000000000..7adb68b26a22c5a8969828753c40450e5acc9bf9
Binary files /dev/null and b/pictures/bare_7_84mhz_high_speed.png differ