diff --git a/src/clock.c b/src/clock.c
index f0d8ccc..f9a6a8b 100644
--- a/src/clock.c
+++ b/src/clock.c
@@ -48,9 +48,10 @@ void clock_init() {
  */
   enableMainOsc();
   setClkSrc(CLKSRC_MAINOSC);
-  setPLL0MultPrediv(429, 19);
+// XXX  setPLL0MultPrediv(429, 19);
+  setPLL0MultPrediv(23, 2);
   enablePLL0();
-  setCCLKDiv(6);
+  setCCLKDiv(3);
   connectPLL0();
 }
 
diff --git a/src/config.h b/src/config.h
index b059e8c..fab763a 100644
--- a/src/config.h
+++ b/src/config.h
@@ -3,12 +3,11 @@
 
 // #define DEBUG_SD
 // #define DEBUG_IRQ
-#define DEBUG_MSU1
+// #define DEBUG_MSU1
 
 #define VER                       "0.0.1(NSFW)"
 #define IN_AHBRAM                 __attribute__ ((section(".ahbram")))
 
-
 #define SD_DT_INT_SETUP()         do {\
                                     BITBAND(LPC_GPIOINT->IO2IntEnR, SD_DT_BIT) = 1;\
                                     BITBAND(LPC_GPIOINT->IO2IntEnF, SD_DT_BIT) = 1;\
@@ -32,13 +31,14 @@
 // #define SD_CHANGE_VECT
 // #define CONFIG_SD_DATACRC 1
 
-
 #define CONFIG_UART_NUM	          3
-#define CONFIG_CPU_FREQUENCY      90315789
+// #define CONFIG_CPU_FREQUENCY      90315789
+#define CONFIG_CPU_FREQUENCY      92000000
+//#define CONFIG_CPU_FREQUENCY      46000000
 #define CONFIG_UART_PCLKDIV       1
-#define CONFIG_UART_TX_BUF_SHIFT  5
+#define CONFIG_UART_TX_BUF_SHIFT  10
 #define CONFIG_UART_BAUDRATE      921600
-#define CONFIG_UART_DEADLOCKABLE
+//#define CONFIG_UART_DEADLOCKABLE
 
 #define SSP_CLK_DIVISOR_FAST 2
 #define SSP_CLK_DIVISOR_SLOW 250