diff --git a/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h b/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h
index df6ae8c0172..25c7ba69b6d 100644
--- a/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h
+++ b/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h
@@ -46,9 +46,9 @@
#endif
#if ENABLED(I2C_EEPROM)
- #define MARLIN_EEPROM_SIZE 0x8000 // 32Kb
+ #define MARLIN_EEPROM_SIZE 0x8000 // 32K
#elif ENABLED(SDCARD_EEPROM_EMULATION)
- #define MARLIN_EEPROM_SIZE 0x800 // 2Kb
+ #define MARLIN_EEPROM_SIZE 0x800 // 2K
#endif
//
diff --git a/Marlin/src/pins/sam/pins_RURAMPS4D_11.h b/Marlin/src/pins/sam/pins_RURAMPS4D_11.h
index 4bdadd80828..643c68ae4fa 100644
--- a/Marlin/src/pins/sam/pins_RURAMPS4D_11.h
+++ b/Marlin/src/pins/sam/pins_RURAMPS4D_11.h
@@ -179,7 +179,7 @@
//
// EEPROM
//
-#define MARLIN_EEPROM_SIZE 0x8000 // 32Kb (24lc256)
+#define MARLIN_EEPROM_SIZE 0x8000 // 32K (24lc256)
#define I2C_EEPROM // EEPROM on I2C-0
//#define EEPROM_SD // EEPROM on SDCARD
//#define SPI_EEPROM // EEPROM on SPI-0
diff --git a/Marlin/src/pins/sam/pins_RURAMPS4D_13.h b/Marlin/src/pins/sam/pins_RURAMPS4D_13.h
index 5273cbcd0e9..ee741dcbf54 100644
--- a/Marlin/src/pins/sam/pins_RURAMPS4D_13.h
+++ b/Marlin/src/pins/sam/pins_RURAMPS4D_13.h
@@ -162,7 +162,7 @@
//
// EEPROM
//
-#define MARLIN_EEPROM_SIZE 0x8000 // 32Kb (24lc256)
+#define MARLIN_EEPROM_SIZE 0x8000 // 32K (24lc256)
#define I2C_EEPROM // EEPROM on I2C-0
//#define EEPROM_SD // EEPROM on SDCARD
//#define SPI_EEPROM // EEPROM on SPI-0
diff --git a/Marlin/src/pins/samd/pins_BRICOLEMON_LITE_V1_0.h b/Marlin/src/pins/samd/pins_BRICOLEMON_LITE_V1_0.h
index 1315d994c8b..382c607d239 100644
--- a/Marlin/src/pins/samd/pins_BRICOLEMON_LITE_V1_0.h
+++ b/Marlin/src/pins/samd/pins_BRICOLEMON_LITE_V1_0.h
@@ -44,7 +44,7 @@
*/
//#define FLASH_EEPROM_EMULATION
#define I2C_EEPROM // EEPROM on I2C-0
-#define MARLIN_EEPROM_SIZE 0x70000 // 512K (CAT24C512)
+#define MARLIN_EEPROM_SIZE 0x10000 // 64K (CAT24C512)
// This is another option to emulate an EEPROM, but it's more efficient to not lose the data in the first place.
//#define SDCARD_EEPROM_EMULATION
diff --git a/Marlin/src/pins/samd/pins_BRICOLEMON_V1_0.h b/Marlin/src/pins/samd/pins_BRICOLEMON_V1_0.h
index 711cb16b464..0f4bb1d0b59 100644
--- a/Marlin/src/pins/samd/pins_BRICOLEMON_V1_0.h
+++ b/Marlin/src/pins/samd/pins_BRICOLEMON_V1_0.h
@@ -48,7 +48,7 @@
*/
//#define FLASH_EEPROM_EMULATION
#define I2C_EEPROM // EEPROM on I2C-0
-#define MARLIN_EEPROM_SIZE 0x70000 // 512K (CAT24C512)
+#define MARLIN_EEPROM_SIZE 0x10000 // 64K (CAT24C512)
//This its another option to emulate an EEPROM, but its more efficient to dont loose the data the first One.
//#define SDCARD_EEPROM_EMULATION
diff --git a/Marlin/src/pins/stm32f1/pins_CREALITY_V4.h b/Marlin/src/pins/stm32f1/pins_CREALITY_V4.h
index d6d49662412..b2534beab6d 100644
--- a/Marlin/src/pins/stm32f1/pins_CREALITY_V4.h
+++ b/Marlin/src/pins/stm32f1/pins_CREALITY_V4.h
@@ -51,9 +51,9 @@
#if ENABLED(IIC_BL24CXX_EEPROM)
#define IIC_EEPROM_SDA PA11
#define IIC_EEPROM_SCL PA12
- #define MARLIN_EEPROM_SIZE 0x800 // 2Kb (24C16)
+ #define MARLIN_EEPROM_SIZE 0x800 // 2K (24C16)
#elif ENABLED(SDCARD_EEPROM_EMULATION)
- #define MARLIN_EEPROM_SIZE 0x800 // 2Kb
+ #define MARLIN_EEPROM_SIZE 0x800 // 2K
#endif
//
diff --git a/Marlin/src/pins/stm32f1/pins_CREALITY_V4210.h b/Marlin/src/pins/stm32f1/pins_CREALITY_V4210.h
index 7bf34441bcf..87101ecccd5 100644
--- a/Marlin/src/pins/stm32f1/pins_CREALITY_V4210.h
+++ b/Marlin/src/pins/stm32f1/pins_CREALITY_V4210.h
@@ -52,10 +52,10 @@
#if ENABLED(IIC_BL24CXX_EEPROM)
#define IIC_EEPROM_SDA PA11
#define IIC_EEPROM_SCL PA12
- #define MARLIN_EEPROM_SIZE 0x800 // 2Kb (24C16)
+ #define MARLIN_EEPROM_SIZE 0x800 // 2K (24C16)
#else
#define SDCARD_EEPROM_EMULATION // SD EEPROM until all EEPROM is BL24CXX
- #define MARLIN_EEPROM_SIZE 0x800 // 2Kb
+ #define MARLIN_EEPROM_SIZE 0x800 // 2K
#endif
// SPI
diff --git a/Marlin/src/pins/stm32f1/pins_CREALITY_V45x.h b/Marlin/src/pins/stm32f1/pins_CREALITY_V45x.h
index 85d279872d5..a9ff02d1f4e 100644
--- a/Marlin/src/pins/stm32f1/pins_CREALITY_V45x.h
+++ b/Marlin/src/pins/stm32f1/pins_CREALITY_V45x.h
@@ -47,9 +47,9 @@
#if ENABLED(IIC_BL24CXX_EEPROM)
#define IIC_EEPROM_SDA PA11
#define IIC_EEPROM_SCL PA12
- #define MARLIN_EEPROM_SIZE 0x800 // 2Kb (24C16)
+ #define MARLIN_EEPROM_SIZE 0x800 // 2K (24C16)
#elif ENABLED(SDCARD_EEPROM_EMULATION)
- #define MARLIN_EEPROM_SIZE 0x800 // 2Kb
+ #define MARLIN_EEPROM_SIZE 0x800 // 2K
#endif
//
diff --git a/Marlin/src/pins/stm32f4/pins_BTT_GTR_V1_0.h b/Marlin/src/pins/stm32f4/pins_BTT_GTR_V1_0.h
index 25736b1a490..68d92e1c30d 100644
--- a/Marlin/src/pins/stm32f4/pins_BTT_GTR_V1_0.h
+++ b/Marlin/src/pins/stm32f4/pins_BTT_GTR_V1_0.h
@@ -37,7 +37,7 @@
// Onboard I2C EEPROM
#define I2C_EEPROM
-#define MARLIN_EEPROM_SIZE 0x2000 // 8K (24C64 ... 64Kb = 8K)
+#define MARLIN_EEPROM_SIZE 0x2000 // 8K (24C64)
//
// Servos
diff --git a/Marlin/src/pins/stm32f4/pins_BTT_OCTOPUS_V1_common.h b/Marlin/src/pins/stm32f4/pins_BTT_OCTOPUS_V1_common.h
index c53e9344aaa..4255881baf8 100644
--- a/Marlin/src/pins/stm32f4/pins_BTT_OCTOPUS_V1_common.h
+++ b/Marlin/src/pins/stm32f4/pins_BTT_OCTOPUS_V1_common.h
@@ -28,7 +28,7 @@
// Onboard I2C EEPROM
#define I2C_EEPROM
-#define MARLIN_EEPROM_SIZE 0x8000 // 32K (24C32A)
+#define MARLIN_EEPROM_SIZE 0x1000 // 4KB (AT24C32)
#define I2C_SCL_PIN PB8
#define I2C_SDA_PIN PB9
diff --git a/Marlin/src/pins/stm32f4/pins_LERDGE_S.h b/Marlin/src/pins/stm32f4/pins_LERDGE_S.h
index 4def11abec8..0e8b6e09a86 100644
--- a/Marlin/src/pins/stm32f4/pins_LERDGE_S.h
+++ b/Marlin/src/pins/stm32f4/pins_LERDGE_S.h
@@ -187,12 +187,12 @@
#define EEPROM_MISO_PIN PB14 // datasheet: DO pin, found with multimeter, not tested
#define EEPROM_MOSI_PIN PB15 // datasheet: DI pin, found with multimeter, not tested
#define EEPROM_PAGE_SIZE 0x1000U // 4K (from datasheet)
- #define MARLIN_EEPROM_SIZE 16UL * (EEPROM_PAGE_SIZE) // Limit to 64K for now...
+ #define MARLIN_EEPROM_SIZE 16UL * (EEPROM_PAGE_SIZE) // Limit to 64K for now...
#elif ENABLED(I2C_EEPROM) // FM24CL64BG (CYP1813) 64Kbit F-RAM
#define SOFT_I2C_EEPROM // Force the use of Software I2C
#define I2C_SDA_PIN PG13
#define I2C_SCL_PIN PG14 // To be confirmed on the Lerdge S, but probably same as the K
- #define MARLIN_EEPROM_SIZE 0x10000
+ #define MARLIN_EEPROM_SIZE 0x2000U // 8K
#else
#define MARLIN_EEPROM_SIZE 0x800U // On SD, Limit to 2K, require this amount of RAM
#endif
diff --git a/Marlin/src/pins/stm32h7/pins_BTT_SKR_SE_BX.h b/Marlin/src/pins/stm32h7/pins_BTT_SKR_SE_BX.h
index 0b6edc9d3c6..f48c007d8ce 100644
--- a/Marlin/src/pins/stm32h7/pins_BTT_SKR_SE_BX.h
+++ b/Marlin/src/pins/stm32h7/pins_BTT_SKR_SE_BX.h
@@ -30,7 +30,7 @@
// Onboard I2C EEPROM
#define I2C_EEPROM
-#define MARLIN_EEPROM_SIZE 0x1000 // 4K (24C32 ... 32Kb = 4K)
+#define MARLIN_EEPROM_SIZE 0x1000 // 4K (24C32)
#define HAS_OTG_USB_HOST_SUPPORT // USB Flash Drive support