diff --git a/include/hardware_caps.h b/include/hardware_caps.h
index 0492e83..4b9cf16 100644
--- a/include/hardware_caps.h
+++ b/include/hardware_caps.h
@@ -31,6 +31,7 @@ typedef struct hw_caps
 	int has_SCART_input;
 	int has_YUV_cinch;
 	int can_pip;
+	int pip_devs;
 	int can_cpufreq;
 	int can_shutdown;
 	int can_cec;
diff --git a/libarmbox/audio.cpp b/libarmbox/audio.cpp
index b744312..1425b1e 100644
--- a/libarmbox/audio.cpp
+++ b/libarmbox/audio.cpp
@@ -8,6 +8,7 @@
 
 #include <linux/dvb/audio.h>
 
+#include <hardware_caps.h>
 #include <proc_tools.h>
 
 #include "audio_lib.h"
@@ -50,7 +51,8 @@ static const char *ADEV[] =
 
 cAudio::cAudio(void *, void *, void *, unsigned int unit)
 {
-	if (unit > 3)
+	hw_caps_t *hwcaps = get_hwcaps();
+	if (unit > (unsigned int) hwcaps->pip_devs)
 	{
 		hal_info("%s: unit %d out of range, setting to 0\n", __func__, unit);
 		devnum = 0;
diff --git a/libarmbox/hardware_caps.c b/libarmbox/hardware_caps.c
index 57380c9..80b8d6a 100644
--- a/libarmbox/hardware_caps.c
+++ b/libarmbox/hardware_caps.c
@@ -28,8 +28,11 @@ hw_caps_t *get_hwcaps(void)
 
 	memset(&caps, 0, sizeof(hw_caps_t));
 
-	if (access("/dev/dvb/adapter0/video1", F_OK) != -1)
-		caps.can_pip = 1;
+	caps.pip_devs = 0;
+	if (access("/dev/dvb/adapter0/video1", F_OK) != -1) caps.pip_devs = 1;
+	if (access("/dev/dvb/adapter0/video2", F_OK) != -1) caps.pip_devs = 2;
+	if (access("/dev/dvb/adapter0/video3", F_OK) != -1) caps.pip_devs = 3;
+	if (caps.pip_devs > 0) caps.can_pip = 1;
 
 #if BOXMODEL_VUSOLO4K
 	caps.has_CI = 1;
diff --git a/libarmbox/video.cpp b/libarmbox/video.cpp
index eb47027..df2d016 100644
--- a/libarmbox/video.cpp
+++ b/libarmbox/video.cpp
@@ -38,6 +38,7 @@
 #include "hal_debug.h"
 #include "hdmi_cec.h"
 
+#include <hardware_caps.h>
 #include <proc_tools.h>
 
 extern "C"
@@ -508,7 +509,8 @@ cVideo::cVideo(int, void *, void *, unsigned int unit)
 	hue = -1;
 	video_standby = 0;
 	blank_mode = 0;
-	if (unit > 3)
+	hw_caps_t *hwcaps = get_hwcaps();
+	if (unit > (unsigned int) hwcaps->pip_devs)
 	{
 		hal_info("%s: unit %d out of range, setting to 0\n", __func__, unit);
 		devnum = 0;
diff --git a/libmipsbox/hardware_caps.c b/libmipsbox/hardware_caps.c
index 9c16e35..8e810d2 100644
--- a/libmipsbox/hardware_caps.c
+++ b/libmipsbox/hardware_caps.c
@@ -28,8 +28,11 @@ hw_caps_t *get_hwcaps(void)
 
 	memset(&caps, 0, sizeof(hw_caps_t));
 
-	if (access("/dev/dvb/adapter0/video1", F_OK) != -1)
-		caps.can_pip = 1;
+	caps.pip_devs = 0;
+	if (access("/dev/dvb/adapter0/video1", F_OK) != -1) caps.pip_devs = 1;
+	if (access("/dev/dvb/adapter0/video2", F_OK) != -1) caps.pip_devs = 2;
+	if (access("/dev/dvb/adapter0/video3", F_OK) != -1) caps.pip_devs = 3;
+	if (caps.pip_devs > 0) caps.can_pip = 1;
 
 #if BOXMODEL_VUDUO
 	caps.has_CI = 2;