diff --git a/board/zoombini/board.h b/board/zoombini/board.h
index 4a2447c1e5..0fffcb3ad0 100644
--- a/board/zoombini/board.h
+++ b/board/zoombini/board.h
@@ -32,6 +32,8 @@
 #define CONFIG_BATTERY_SMART
 #define CONFIG_BATTERY_PRESENT_GPIO GPIO_BAT_PRESENT_L
 
+#define CONFIG_BOARD_VERSION
+
 #define CONFIG_CHARGER
 #define CONFIG_CHARGER_V2
 #define CONFIG_CHARGE_MANAGER
diff --git a/board/zoombini/gpio.inc b/board/zoombini/gpio.inc
index 882234eba2..b0b5ec6170 100644
--- a/board/zoombini/gpio.inc
+++ b/board/zoombini/gpio.inc
@@ -70,6 +70,10 @@ GPIO(USB_C0_CHARGE_EN_L, PIN(0, 3), GPIO_OUT_LOW)
 GPIO(USB_C1_CHARGE_EN_L, PIN(0, 4), GPIO_OUT_LOW)
 GPIO(USB_C2_CHARGE_EN_L, PIN(4, 0), GPIO_OUT_LOW)
 
+GPIO(BOARD_VERSION1, PIN(9, 6), GPIO_INPUT)
+GPIO(BOARD_VERSION2, PIN(9, 3), GPIO_INPUT)
+GPIO(BOARD_VERSION3, PIN(F, 0), GPIO_INPUT)
+
 /* UART Pins */
 ALTERNATE(PIN_MASK(6, 0x30), 0, MODULE_UART, GPIO_PULL_UP)
 /* I2C Ports */
@@ -92,3 +96,9 @@ GPIO(KBD_KSO2, PIN(1, 7), GPIO_ODR_LOW)
 ALTERNATE(PIN_MASK(1, 0x7F), 0, MODULE_KEYBOARD_SCAN, GPIO_ODR_HIGH)
 /* KSO_10-12 */
 ALTERNATE(PIN_MASK(0, 0xE0), 0, MODULE_KEYBOARD_SCAN, GPIO_ODR_HIGH)
+
+/* PWMs. */
+ALTERNATE(PIN_MASK(C, 0x18), 1, MODULE_PWM, 0) /* LED 1 & 2 */
+ALTERNATE(PIN_MASK(8, 0x01), 1, MODULE_PWM, 0) /* KB Backlight */
+/* ADC */
+ALTERNATE(PIN_MASK(4, 0x30), 1, MODULE_ADC, 0) /* ADC0-1 */