diff --git a/sys/pc98/cbus/syscons_cbus.c b/sys/pc98/cbus/syscons_cbus.c
index 7a8b584b175e..28f26d48e381 100644
--- a/sys/pc98/cbus/syscons_cbus.c
+++ b/sys/pc98/cbus/syscons_cbus.c
@@ -148,15 +148,16 @@ int
 sc_get_cons_priority(int *unit, int *flags)
 {
 	int disabled;
+	char *at;
 	int u, f;
-	int i;
 
 	*unit = -1;
-	for (i = -1; (i = resource_locate(i, SC_DRIVER_NAME)) >= 0;) {
-		u = resource_query_unit(i);
+	for (u = 0; u < 16; u++) {
 		if ((resource_int_value(SC_DRIVER_NAME, u, "disabled",
 					&disabled) == 0) && disabled)
 			continue;
+		if (resource_string_value(SC_DRIVER_NAME, u, "at", &at) != 0)
+			continue;
 		if (resource_int_value(SC_DRIVER_NAME, u, "flags", &f) != 0)
 			f = 0;
 		if (f & SC_KERNEL_CONSOLE) {
@@ -171,7 +172,7 @@ sc_get_cons_priority(int *unit, int *flags)
 			*flags = f;
 		}
 	}
-	if ((i < 0) && (*unit < 0))
+	if (*unit < 0)
 		return CN_DEAD;
 	return CN_INTERNAL;
 }
diff --git a/sys/pc98/pc98/syscons_pc98.c b/sys/pc98/pc98/syscons_pc98.c
index 7a8b584b175e..28f26d48e381 100644
--- a/sys/pc98/pc98/syscons_pc98.c
+++ b/sys/pc98/pc98/syscons_pc98.c
@@ -148,15 +148,16 @@ int
 sc_get_cons_priority(int *unit, int *flags)
 {
 	int disabled;
+	char *at;
 	int u, f;
-	int i;
 
 	*unit = -1;
-	for (i = -1; (i = resource_locate(i, SC_DRIVER_NAME)) >= 0;) {
-		u = resource_query_unit(i);
+	for (u = 0; u < 16; u++) {
 		if ((resource_int_value(SC_DRIVER_NAME, u, "disabled",
 					&disabled) == 0) && disabled)
 			continue;
+		if (resource_string_value(SC_DRIVER_NAME, u, "at", &at) != 0)
+			continue;
 		if (resource_int_value(SC_DRIVER_NAME, u, "flags", &f) != 0)
 			f = 0;
 		if (f & SC_KERNEL_CONSOLE) {
@@ -171,7 +172,7 @@ sc_get_cons_priority(int *unit, int *flags)
 			*flags = f;
 		}
 	}
-	if ((i < 0) && (*unit < 0))
+	if (*unit < 0)
 		return CN_DEAD;
 	return CN_INTERNAL;
 }