diff --git a/buildroot/share/PlatformIO/variants/MARLIN_F103VE_LONGER/PeripheralPins.c b/buildroot/share/PlatformIO/variants/MARLIN_F103VE_LONGER/PeripheralPins.c
index ba4046d5f9..99226a739d 100644
--- a/buildroot/share/PlatformIO/variants/MARLIN_F103VE_LONGER/PeripheralPins.c
+++ b/buildroot/share/PlatformIO/variants/MARLIN_F103VE_LONGER/PeripheralPins.c
@@ -79,9 +79,6 @@ WEAK const PinMap PinMap_PWM[] = {
   //{PA_2,  TIM2,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM2_PARTIAL_1, 3, 0)}, // TIM2_CH3
 #if defined(STM32F103xE) || defined(STM32F103xG)
   //{PA_2,  TIM5,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 3, 0)}, // TIM5_CH3
-#endif
-#ifdef STM32F103xG
-  //{PA_2,  TIM9,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 1, 0)}, // TIM9_CH1
 #endif
   //{PA_3,  TIM2,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM2_PARTIAL_1, 4, 0)}, // TIM2_CH4
 #if defined(STM32F103xE) || defined(STM32F103xG)
@@ -89,20 +86,11 @@ WEAK const PinMap PinMap_PWM[] = {
   {PA_3,  TIM5,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 4, 0)}, // TIM5_CH4
 #else
   {PA_3,  TIM2,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 4, 0)}, // TIM2_CH4
-#endif
-#if defined(STM32F103xG)
-  //{PA_3,  TIM9,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 2, 0)}, // TIM9_CH2
 #endif
   {PA_6,  TIM3,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 1, 0)}, // TIM3_CH1
-#if defined(STM32F103xG)
-  //{PA_6,  TIM13,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 1, 0)}, // TIM13_CH1
-#endif
   {PA_7,  TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM1_PARTIAL, 1, 1)}, // TIM1_CH1N
   //{PA_7,  TIM3,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 2, 0)}, // TIM3_CH2
   //{PA_7,  TIM8,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 1, 1)}, // TIM8_CH1N
-#if defined(STM32F103xG)
-  //{PA_7,  TIM14,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 1, 0)}, // TIM14_CH1
-#endif
   {PA_8,  TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 1, 0)}, // TIM1_CH1
   //{PA_8,  TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM1_PARTIAL, 1, 0)}, // TIM1_CH1
   {PA_9,  TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 2, 0)}, // TIM1_CH2
@@ -132,26 +120,14 @@ WEAK const PinMap PinMap_PWM[] = {
   {PB_6,  TIM4,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 1, 0)}, // TIM4_CH1
   {PB_7,  TIM4,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 2, 0)}, // TIM4_CH2
   {PB_8,  TIM4,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 3, 0)}, // TIM4_CH3
-#if defined(STM32F103xG)
-  //{PB_8,  TIM10,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 1, 0)}, // TIM10_CH1
-#endif
   {PB_9,  TIM4,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 4, 0)}, // TIM4_CH4
-#if defined(STM32F103xG)
-  //{PB_9,  TIM11,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 1, 0)}, // TIM11_CH1
-#endif
   {PB_10, TIM2,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM2_PARTIAL_2, 3, 0)}, // TIM2_CH3
   //{PB_10, TIM2,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM2_ENABLE, 3, 0)}, // TIM2_CH3
   {PB_11, TIM2,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM2_PARTIAL_2, 4, 0)}, // TIM2_CH4
   //{PB_11, TIM2,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM2_ENABLE, 4, 0)}, // TIM2_CH4
   {PB_13, TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 1, 1)}, // TIM1_CH1N
   {PB_14, TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 2, 1)}, // TIM1_CH2N
-#if defined(STM32F103xG)
-  //{PB_14, TIM12,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 1, 0)}, // TIM12_CH1
-#endif
   {PB_15, TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 3, 1)}, // TIM1_CH3N
-#if defined(STM32F103xG)
-  //{PB_15, TIM12,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 2, 0)}, // TIM12_CH2
-#endif
   {PC_6,  TIM3,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM3_ENABLE, 1, 0)}, // TIM3_CH1
 #if defined(STM32F103xE) || defined(STM32F103xG)
   //{PC_6,  TIM8,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_NONE, 1, 0)}, // TIM8_CH1
@@ -170,10 +146,6 @@ WEAK const PinMap PinMap_PWM[] = {
   {PD_13, TIM4,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM4_ENABLE, 2, 0)}, // TIM4_CH2
   {PD_14, TIM4,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM4_ENABLE, 3, 0)}, // TIM4_CH3
   {PD_15, TIM4,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM4_ENABLE, 4, 0)}, // TIM4_CH4
-#if defined(STM32F103xG)
-  {PE_5,  TIM9,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM9_ENABLE, 1, 0)}, // TIM9_CH1
-  {PE_6,  TIM9,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM9_ENABLE, 2, 0)}, // TIM9_CH2
-#endif
   {PE_8,  TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM1_ENABLE, 1, 1)}, // TIM1_CH1N
   {PE_9,  TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM1_ENABLE, 1, 0)}, // TIM1_CH1
   {PE_10, TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM1_ENABLE, 2, 1)}, // TIM1_CH2N
@@ -182,6 +154,8 @@ WEAK const PinMap PinMap_PWM[] = {
   {PE_13, TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM1_ENABLE, 3, 0)}, // TIM1_CH3
   {PE_14, TIM1,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM1_ENABLE, 4, 0)}, // TIM1_CH4
 #endif // if 0
+  {PD_12, TIM4,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM4_ENABLE, 1, 0)}, // TIM4_CH1 TFT Backlight
+  {PD_13, TIM4,   STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, AFIO_TIM4_ENABLE, 2, 0)}, // TIM4_CH2 Servo connector
   {NC,    NP,    0}
 };
 #endif
diff --git a/ini/stm32f1.ini b/ini/stm32f1.ini
index f1cb078fd8..dc9607ef84 100644
--- a/ini/stm32f1.ini
+++ b/ini/stm32f1.ini
@@ -338,7 +338,7 @@ board_build.variant         = MARLIN_F103VE_LONGER
 board_build.rename          = project.bin
 board_build.offset          = 0x10000
 board_upload.offset_address = 0x08010000
-build_flags                 = ${stm32_variant.build_flags} -DMCU_STM32F103VE -DU20 -DTS_V12
+build_flags                 = ${stm32_variant.build_flags} -DMCU_STM32F103VE -DSTEP_TIMER=5 -DU20 -DTS_V12
 build_unflags               = ${stm32_variant.build_unflags} -DUSBCON -DUSBD_USE_CDC -DHAL_PCD_MODULE_ENABLED
 extra_scripts               = ${stm32_variant.extra_scripts}
 monitor_speed               = 250000