diff --git a/board/poppy/board.c b/board/poppy/board.c
index d6f526d3b8..a8f374f2ec 100644
--- a/board/poppy/board.c
+++ b/board/poppy/board.c
@@ -705,6 +705,36 @@ void board_hibernate(void)
         ;
 }
 
+int board_get_version(void)
+{
+	static int ver = -1;
+	uint8_t id4;
+
+	if (ver != -1)
+		return ver;
+
+	ver = 0;
+
+	/* First 3 strappings are binary. */
+	if (gpio_get_level(GPIO_BOARD_VERSION1))
+		ver |= 0x01;
+	if (gpio_get_level(GPIO_BOARD_VERSION2))
+		ver |= 0x02;
+	if (gpio_get_level(GPIO_BOARD_VERSION3))
+		ver |= 0x04;
+
+	/*
+	 * 4th bit is using tristate strapping, ternary encoding:
+	 * Hi-Z (id4=2) => 0, (id4=0) => 1, (id4=1) => 2
+	 */
+	id4 = gpio_get_ternary(GPIO_BOARD_VERSION4);
+	ver |= ((id4 + 1) % 3) * 0x08;
+
+	CPRINTS("Board ID = %d", ver);
+
+	return ver;
+}
+
 /* Lid Sensor mutex */
 static struct mutex g_lid_mutex;
 
diff --git a/board/poppy/board.h b/board/poppy/board.h
index 587b35f9c1..69e3d9cb65 100644
--- a/board/poppy/board.h
+++ b/board/poppy/board.h
@@ -25,6 +25,7 @@
 /* EC */
 #define CONFIG_ADC
 #define CONFIG_BOARD_VERSION
+#define CONFIG_BOARD_SPECIFIC_VERSION
 #define CONFIG_BUTTON_COUNT 2
 #define CONFIG_BUTTON_RECOVERY
 #define CONFIG_CASE_CLOSED_DEBUG_EXTERNAL
diff --git a/board/poppy/gpio.inc b/board/poppy/gpio.inc
index fb8aed6b77..82b89ead32 100644
--- a/board/poppy/gpio.inc
+++ b/board/poppy/gpio.inc
@@ -115,6 +115,7 @@ GPIO(LED_WHITE_C1,		PIN(3, 0), GPIO_OUT_LOW)
 GPIO(BOARD_VERSION1,		PIN(C, 4), GPIO_INPUT)				/* Board ID bit0 */
 GPIO(BOARD_VERSION2,		PIN(C, 2), GPIO_INPUT)				/* Board ID bit1 */
 GPIO(BOARD_VERSION3,		PIN(1, 3), GPIO_INPUT)				/* Board ID bit2 */
+GPIO(BOARD_VERSION4,		PIN(1, 7), GPIO_INPUT)				/* Board ID strap 3 (ternary) */
 
 /* Alternate functions GPIO definitions */
 ALTERNATE(PIN_MASK(6, 0x30), 1, MODULE_UART, 0)		/* GPIO64-65 */		/* UART from EC to Servo */