diff --git a/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c b/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c
index c3ac77721d4..2d508c29fec 100644
--- a/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c
+++ b/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c
@@ -3489,3 +3489,18 @@ IoSynchronousInvalidateDeviceRelations(
             return STATUS_NOT_SUPPORTED;
     }
 }
+
+/*
+ * @unimplemented
+ */
+BOOLEAN
+NTAPI
+IoTranslateBusAddress(IN INTERFACE_TYPE InterfaceType,
+                      IN ULONG BusNumber,
+                      IN PHYSICAL_ADDRESS BusAddress,
+                      IN OUT PULONG AddressSpace,
+                      OUT PPHYSICAL_ADDRESS TranslatedAddress)
+{
+    UNIMPLEMENTED;
+    return FALSE;
+}
diff --git a/reactos/ntoskrnl/ntoskrnl.pspec b/reactos/ntoskrnl/ntoskrnl.pspec
index e0d2afe2aea..c01f4708908 100644
--- a/reactos/ntoskrnl/ntoskrnl.pspec
+++ b/reactos/ntoskrnl/ntoskrnl.pspec
@@ -494,7 +494,7 @@
 @ stdcall IoSynchronousInvalidateDeviceRelations(ptr long)
 @ stdcall IoSynchronousPageWrite(ptr ptr ptr ptr ptr)
 @ stdcall IoThreadToProcess(ptr)
-;IoTranslateBusAddress
+@ stdcall IoTranslateBusAddress(long long long long ptr ptr)
 @ stdcall IoUnregisterFileSystem(ptr)
 @ stdcall IoUnregisterFsRegistrationChange(ptr ptr)
 @ stdcall IoUnregisterPlugPlayNotification(ptr)
@@ -705,6 +705,7 @@
 @ fastcall KiAcquireSpinLock(ptr)
 @ extern KiBugCheckData
 @ stdcall KiCheckForKernelApcDelivery()
+;KiCheckForSListAddress
 #ifdef _M_IX86
 @ stdcall KiCoprocessorError()
 #endif
@@ -915,17 +916,17 @@
 ;PfxInsertPrefix
 ;PfxRemovePrefix
 @ stdcall PoCallDriver(ptr ptr)
-;PoCancelDeviceNotify
+@ stdcall PoCancelDeviceNotify(ptr)
 @ stdcall PoQueueShutdownWorkItem(ptr)
 @ stdcall PoRegisterDeviceForIdleDetection(ptr long long long)
-;PoRegisterDeviceNotify
+@ stdcall PoRegisterDeviceNotify(ptr long long long ptr ptr)
 @ stdcall PoRegisterSystemState(ptr long)
 @ stdcall PoRequestPowerIrp(ptr long long ptr ptr ptr)
-;PoRequestShutdownEvent
-;PoSetHiberRange
+@ stdcall PoRequestShutdownEvent(ptr)
+@ stdcall PoSetHiberRange(ptr long ptr long long)
 @ stdcall PoSetPowerState(ptr long long)
 @ stdcall PoSetSystemState(long)
-;PoShutdownBugCheck
+@ stdcall PoShutdownBugCheck(long long ptr ptr ptr ptr)
 @ stdcall PoStartNextPowerIrp(ptr)
 @ stdcall PoUnregisterSystemState(ptr)
 @ stdcall ProbeForRead(ptr long long)
diff --git a/reactos/ntoskrnl/po/power.c b/reactos/ntoskrnl/po/power.c
index 21fe70624b1..98768e34a52 100644
--- a/reactos/ntoskrnl/po/power.c
+++ b/reactos/ntoskrnl/po/power.c
@@ -216,6 +216,84 @@ PoInitializePrcb(IN PKPRCB Prcb)
 
 /* PUBLIC FUNCTIONS **********************************************************/
 
+/*
+ * @unimplemented
+ */
+NTSTATUS
+NTAPI
+PoCancelDeviceNotify(IN PVOID NotifyBlock)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+/*
+ * @unimplemented
+ */
+NTSTATUS
+NTAPI
+PoRegisterDeviceNotify(OUT PVOID Unknown0,
+                       IN ULONG Unknown1,
+                       IN ULONG Unknown2,
+                       IN ULONG Unknown3,
+                       IN PVOID Unknown4,
+                       IN PVOID Unknown5)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+/*
+ * @unimplemented
+ */
+VOID
+NTAPI
+PoShutdownBugCheck(IN BOOLEAN LogError,
+                   IN ULONG BugCheckCode,
+                   IN ULONG_PTR BugCheckParameter1,
+                   IN ULONG_PTR BugCheckParameter2,
+                   IN ULONG_PTR BugCheckParameter3,
+                   IN ULONG_PTR BugCheckParameter4)
+{
+    DPRINT1("PoShutdownBugCheck called\n");
+
+    /* FIXME: Log error if requested */
+    /* FIXME: Initiate a shutdown */
+
+    /* Bugcheck the system */
+    KeBugCheckEx(BugCheckCode,
+                 BugCheckParameter1,
+                 BugCheckParameter2,
+                 BugCheckParameter3,
+                 BugCheckParameter4);
+}
+
+/*
+ * @unimplemented
+ */
+NTSTATUS
+NTAPI
+PoRequestShutdownEvent(OUT PVOID *Event)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+/*
+ * @unimplemented
+ */
+VOID
+NTAPI
+PoSetHiberRange(IN PVOID HiberContext,
+                IN ULONG Flags,
+                IN OUT PVOID StartPage,
+                IN ULONG Length,
+                IN ULONG PageTag)
+{
+    UNIMPLEMENTED;
+    return;
+}
+
 /*
  * @implemented
  */