diff --git a/MCUME_pico2/pico20/pico20.cpp b/MCUME_pico2/pico20/pico20.cpp
index 8f8a748..9f1a698 100644
--- a/MCUME_pico2/pico20/pico20.cpp
+++ b/MCUME_pico2/pico20/pico20.cpp
@@ -46,7 +46,7 @@ int main(void) {
 //    set_sys_clock_khz(250000, true);  
 
 #ifdef HAS_USBPIO
-    set_sys_clock_khz(140000, true);
+    set_sys_clock_khz(120000, true);
 #else
     set_sys_clock_khz(250000, true);
     *((uint32_t *)(0x40010000+0x58)) = 2 << 16; //CLK_HSTX_DIV = 2 << 16; // HSTX clock/2
diff --git a/MCUME_pico2/pico800/pico800.cpp b/MCUME_pico2/pico800/pico800.cpp
index ccad23b..b1a4281 100644
--- a/MCUME_pico2/pico800/pico800.cpp
+++ b/MCUME_pico2/pico800/pico800.cpp
@@ -43,7 +43,7 @@ int main(void) {
 //    set_sys_clock_khz(250000, true);
 
 #ifdef HAS_USBPIO
-    set_sys_clock_khz(140000, true);
+    set_sys_clock_khz(120000, true);
 #else
     set_sys_clock_khz(250000, true);
     *((uint32_t *)(0x40010000+0x58)) = 2 << 16; //CLK_HSTX_DIV = 2 << 16; // HSTX clock/2
diff --git a/MCUME_pico2/pico81/pico81.cpp b/MCUME_pico2/pico81/pico81.cpp
index 516d045..001a714 100644
--- a/MCUME_pico2/pico81/pico81.cpp
+++ b/MCUME_pico2/pico81/pico81.cpp
@@ -42,7 +42,7 @@ int main(void) {
 //    set_sys_clock_khz(250000, true);  
 
 #ifdef HAS_USBPIO
-    set_sys_clock_khz(140000, true);
+    set_sys_clock_khz(120000, true);
 #else
     set_sys_clock_khz(250000, true);
     *((uint32_t *)(0x40010000+0x58)) = 2 << 16; //CLK_HSTX_DIV = 2 << 16; // HSTX clock/2
@@ -182,4 +182,4 @@ void emu_sndPlayBuzz(int size, int val) {
   mymixer.buzz(size,val); 
 }
 
-#endif
\ No newline at end of file
+#endif
diff --git a/MCUME_pico2/picocastaway/picocastaway.cpp b/MCUME_pico2/picocastaway/picocastaway.cpp
index cf0cf0f..5270c3e 100644
--- a/MCUME_pico2/picocastaway/picocastaway.cpp
+++ b/MCUME_pico2/picocastaway/picocastaway.cpp
@@ -49,7 +49,7 @@ int main(void) {
 //    set_sys_clock_khz(250000, true);  
 
 #ifdef HAS_USBPIO
-    set_sys_clock_khz(140000, true);
+    set_sys_clock_khz(120000, true);
 #else
     set_sys_clock_khz(250000, true);
     *((uint32_t *)(0x40010000+0x58)) = 2 << 16; //CLK_HSTX_DIV = 2 << 16; // HSTX clock/2
diff --git a/MCUME_pico2/picocolem/picocolem.cpp b/MCUME_pico2/picocolem/picocolem.cpp
index b1f8615..1fb7c37 100644
--- a/MCUME_pico2/picocolem/picocolem.cpp
+++ b/MCUME_pico2/picocolem/picocolem.cpp
@@ -47,7 +47,7 @@ int main(void) {
 //    set_sys_clock_khz(250000, true);  
 
 #ifdef HAS_USBPIO
-    set_sys_clock_khz(140000, true);
+    set_sys_clock_khz(120000, true);
 #else
     set_sys_clock_khz(250000, true);
     *((uint32_t *)(0x40010000+0x58)) = 2 << 16; //CLK_HSTX_DIV = 2 << 16; // HSTX clock/2
diff --git a/MCUME_pico2/picogb/picogb.cpp b/MCUME_pico2/picogb/picogb.cpp
index acccf37..bfe0ea4 100644
--- a/MCUME_pico2/picogb/picogb.cpp
+++ b/MCUME_pico2/picogb/picogb.cpp
@@ -44,7 +44,7 @@ int main(void) {
 //    set_sys_clock_khz(250000, true);  
 
 #ifdef HAS_USBPIO
-    set_sys_clock_khz(140000, true);
+    set_sys_clock_khz(120000, true);
 #else
     set_sys_clock_khz(250000, true);
     *((uint32_t *)(0x40010000+0x58)) = 2 << 16; //CLK_HSTX_DIV = 2 << 16; // HSTX clock/2
diff --git a/MCUME_pico2/picogen/picogen.cpp b/MCUME_pico2/picogen/picogen.cpp
index de2633b..991d655 100644
--- a/MCUME_pico2/picogen/picogen.cpp
+++ b/MCUME_pico2/picogen/picogen.cpp
@@ -44,7 +44,7 @@ int main(void) {
 //    set_sys_clock_khz(250000, true);  
 
 #ifdef HAS_USBPIO
-    set_sys_clock_khz(140000, true);
+    set_sys_clock_khz(120000, true);
 #else
     set_sys_clock_khz(280000, true);
     *((uint32_t *)(0x40010000+0x58)) = 2 << 16; //CLK_HSTX_DIV = 2 << 16; // HSTX clock/2
diff --git a/MCUME_pico2/picomsx/picomsx.cpp b/MCUME_pico2/picomsx/picomsx.cpp
index d5ce494..42c4a6c 100644
--- a/MCUME_pico2/picomsx/picomsx.cpp
+++ b/MCUME_pico2/picomsx/picomsx.cpp
@@ -46,7 +46,7 @@ int main(void) {
 //    set_sys_clock_khz(250000, true);  
 
 #ifdef HAS_USBPIO
-    set_sys_clock_khz(140000, true);
+    set_sys_clock_khz(120000, true);
 #else
     set_sys_clock_khz(250000, true);
     *((uint32_t *)(0x40010000+0x58)) = 2 << 16; //CLK_HSTX_DIV = 2 << 16; // HSTX clock/2
@@ -58,7 +58,7 @@ int main(void) {
     vreg_set_voltage(VREG_VOLTAGE_1_40);
     sleep_ms(10);
     *qmi_m0_timing = 0x60007204;
-    set_sys_clock_khz(140000, false);
+    set_sys_clock_khz(120000, false);
     *qmi_m0_timing = 0x60007303;
 */
 
diff --git a/MCUME_pico2/picoo2em/picoo2em.cpp b/MCUME_pico2/picoo2em/picoo2em.cpp
index 58af7ac..f94fe9c 100644
--- a/MCUME_pico2/picoo2em/picoo2em.cpp
+++ b/MCUME_pico2/picoo2em/picoo2em.cpp
@@ -42,7 +42,7 @@ int main(void) {
 //    set_sys_clock_khz(250000, true);  
 
 #ifdef HAS_USBPIO
-    set_sys_clock_khz(140000, true);
+    set_sys_clock_khz(120000, true);
 #else
     set_sys_clock_khz(250000, true);
     *((uint32_t *)(0x40010000+0x58)) = 2 << 16; //CLK_HSTX_DIV = 2 << 16; // HSTX clock/2
diff --git a/MCUME_pico2/picopce/picopce.cpp b/MCUME_pico2/picopce/picopce.cpp
index 1f867dc..1845d54 100644
--- a/MCUME_pico2/picopce/picopce.cpp
+++ b/MCUME_pico2/picopce/picopce.cpp
@@ -44,7 +44,7 @@ int main(void) {
 //    set_sys_clock_khz(250000, true);  
 
 #ifdef HAS_USBPIO
-    set_sys_clock_khz(140000, true);
+    set_sys_clock_khz(120000, true);
 #else
     set_sys_clock_khz(250000, true);
     *((uint32_t *)(0x40010000+0x58)) = 2 << 16; //CLK_HSTX_DIV = 2 << 16; // HSTX clock/2
diff --git a/MCUME_pico2/picosms/picosms.cpp b/MCUME_pico2/picosms/picosms.cpp
index 943b1e4..5f10fb8 100644
--- a/MCUME_pico2/picosms/picosms.cpp
+++ b/MCUME_pico2/picosms/picosms.cpp
@@ -50,7 +50,7 @@ int main(void) {
 //    set_sys_clock_khz(250000, true);  
 
 #ifdef HAS_USBPIO
-    set_sys_clock_khz(140000, true);
+    set_sys_clock_khz(120000, true);
 #else
     set_sys_clock_khz(250000, true);
     *((uint32_t *)(0x40010000+0x58)) = 2 << 16; //CLK_HSTX_DIV = 2 << 16; // HSTX clock/2
diff --git a/MCUME_pico2/picospeccy/picospeccy.cpp b/MCUME_pico2/picospeccy/picospeccy.cpp
index 9ef2c0a..0f169a1 100644
--- a/MCUME_pico2/picospeccy/picospeccy.cpp
+++ b/MCUME_pico2/picospeccy/picospeccy.cpp
@@ -44,7 +44,7 @@ int main(void) {
 //    set_sys_clock_khz(250000, true);  
 
 #ifdef HAS_USBPIO
-    set_sys_clock_khz(140000, true);
+    set_sys_clock_khz(120000, true);
 #else
     set_sys_clock_khz(250000, true);
     *((uint32_t *)(0x40010000+0x58)) = 2 << 16; //CLK_HSTX_DIV = 2 << 16; // HSTX clock/2
diff --git a/MCUME_pico2/picovcs/picovcs.cpp b/MCUME_pico2/picovcs/picovcs.cpp
index d9097f8..47d6ece 100644
--- a/MCUME_pico2/picovcs/picovcs.cpp
+++ b/MCUME_pico2/picovcs/picovcs.cpp
@@ -41,7 +41,7 @@ int main(void) {
 //    set_sys_clock_khz(225000, true);    
 
 #ifdef HAS_USBPIO
-    set_sys_clock_khz(140000, true);
+    set_sys_clock_khz(120000, true);
 #else
     set_sys_clock_khz(250000, true);
     *((uint32_t *)(0x40010000+0x58)) = 2 << 16; //CLK_HSTX_DIV = 2 << 16; // HSTX clock/2