diff --git a/headers/os/drivers/ACPI.h b/headers/os/drivers/ACPI.h
index 1455e46261..91860b3c96 100644
--- a/headers/os/drivers/ACPI.h
+++ b/headers/os/drivers/ACPI.h
@@ -239,6 +239,8 @@ struct acpi_module_info {
 					acpi_data *retBuffer);
 	status_t	(*get_current_resources)(acpi_handle busDeviceHandle,
 					acpi_data *retBuffer);
+	status_t	(*get_possible_resources)(acpi_handle busDeviceHandle,
+					acpi_data *retBuffer);
 
 	/* Power state setting */
 
diff --git a/src/add-ons/kernel/bus_managers/acpi/acpi_busman.c b/src/add-ons/kernel/bus_managers/acpi/acpi_busman.c
index ca1cd46476..02eea915ba 100644
--- a/src/add-ons/kernel/bus_managers/acpi/acpi_busman.c
+++ b/src/add-ons/kernel/bus_managers/acpi/acpi_busman.c
@@ -84,7 +84,7 @@ static void dump_madt() {
 	while (true) {
 		status = AcpiGetTable (ACPI_SIG_MADT, ++madtCount, &madt);
 		if (status != AE_OK) break;
-/*		
+/*
 		dprintf("acpi: MADT TABLE:\n");
 		AcpiDmDumpDataTable( madt );
 		entry = madt + 44;
@@ -212,7 +212,7 @@ acpi_std_ops(int32 op,...)
 
 			parameter.Count = 1;
 			parameter.Pointer = &arg;
-	
+
 			AcpiEvaluateObject(NULL, "\\_PIC", &parameter, NULL);
 
 			flags = acpiAvoidFullInit ?
@@ -617,6 +617,14 @@ get_current_resources(acpi_handle busDeviceHandle, acpi_data *retBuffer)
 }
 
 
+status_t
+get_possible_resources(acpi_handle busDeviceHandle, acpi_data *retBuffer)
+{
+	return AcpiGetPossibleResources(busDeviceHandle, (ACPI_BUFFER*)retBuffer)
+		== AE_OK ? B_OK : B_ERROR;
+}
+
+
 status_t
 prepare_sleep_state(uint8 state, void (*wakeFunc)(void), size_t size)
 {
@@ -732,6 +740,7 @@ struct acpi_module_info gACPIModule = {
 	evaluate_method,
 	get_irq_routing_table,
 	get_current_resources,
+	get_possible_resources,
 	prepare_sleep_state,
 	enter_sleep_state,
 	reboot
diff --git a/src/add-ons/kernel/bus_managers/acpi/acpi_module.c b/src/add-ons/kernel/bus_managers/acpi/acpi_module.c
index 836528efe5..d8b80d8908 100644
--- a/src/add-ons/kernel/bus_managers/acpi/acpi_module.c
+++ b/src/add-ons/kernel/bus_managers/acpi/acpi_module.c
@@ -216,6 +216,7 @@ static struct acpi_root_info sACPIRootModule = {
 	evaluate_method,
 	get_irq_routing_table,
 	get_current_resources,
+	get_possible_resources,
 	prepare_sleep_state,
 	enter_sleep_state,
 	reboot
diff --git a/src/add-ons/kernel/bus_managers/acpi/acpi_priv.h b/src/add-ons/kernel/bus_managers/acpi/acpi_priv.h
index ce5d6db2a8..d328048e1d 100644
--- a/src/add-ons/kernel/bus_managers/acpi/acpi_priv.h
+++ b/src/add-ons/kernel/bus_managers/acpi/acpi_priv.h
@@ -123,6 +123,8 @@ typedef struct acpi_root_info {
 					acpi_data *retBuffer);
 	status_t	(*get_current_resources)(acpi_handle busDeviceHandle,
 					acpi_data *retBuffer);
+	status_t	(*get_possible_resources)(acpi_handle busDeviceHandle,
+					acpi_data *retBuffer);
 
 	/* Power state setting */
 
@@ -196,6 +198,8 @@ status_t get_irq_routing_table(acpi_handle busDeviceHandle,
 	acpi_data* returnValue);
 status_t get_current_resources(acpi_handle busDeviceHandle,
 	acpi_data* returnValue);
+status_t get_possible_resources(acpi_handle busDeviceHandle,
+	acpi_data* returnValue);
 
 status_t prepare_sleep_state(uint8 state, void (*wakeFunc)(void), size_t size);
 status_t enter_sleep_state(uint8 state);