diff --git a/sys/alpha/alpha/api_up1000.c b/sys/alpha/alpha/api_up1000.c
index 8631b5f25ed4..509bc755555d 100644
--- a/sys/alpha/alpha/api_up1000.c
+++ b/sys/alpha/alpha/api_up1000.c
@@ -45,7 +45,7 @@
 #include <alpha/pci/irongatereg.h>
 #include <alpha/pci/irongatevar.h>
 
-#include "sc.h"
+#include "opt_dev_sc.h"
 
 #ifndef CONSPEED
 #define CONSPEED TTYDEF_SPEED
@@ -109,7 +109,7 @@ api_up1000_cons_init()
 	case 3:
 		/* display console ... */
 		/* XXX */
-#if NSC > 0
+#ifdef DEV_SC
 		sccnattach();
 #else
 		panic("not configured to use display && keyboard console");
diff --git a/sys/alpha/alpha/dec_1000a.c b/sys/alpha/alpha/dec_1000a.c
index 40608476817d..27d86c2794ed 100644
--- a/sys/alpha/alpha/dec_1000a.c
+++ b/sys/alpha/alpha/dec_1000a.c
@@ -91,8 +91,7 @@
 
 #include <pci/pcivar.h>
 
-
-#include "sc.h"
+#include "opt_dev_sc.h"
 
 #ifndef CONSPEED
 #define CONSPEED TTYDEF_SPEED
@@ -219,7 +218,7 @@ dec_1000a_cons_init()
 	case 3:
 		/* display console ... */
 		/* XXX */
-#if NSC > 0
+#ifdef DEV_SC
 		sccnattach();
 #else
 		panic("not configured to use display && keyboard console");
diff --git a/sys/alpha/alpha/dec_2100_a50.c b/sys/alpha/alpha/dec_2100_a50.c
index 340274c830ec..1d406b3ce2d5 100644
--- a/sys/alpha/alpha/dec_2100_a50.c
+++ b/sys/alpha/alpha/dec_2100_a50.c
@@ -50,7 +50,7 @@
 #include <alpha/pci/apecsreg.h>
 #include <alpha/pci/apecsvar.h>
 
-#include "sc.h"
+#include "opt_dev_sc.h"
 #ifndef	CONSPEED
 #define	CONSPEED TTYDEF_SPEED
 #endif
@@ -140,7 +140,7 @@ dec_2100_a50_cons_init()
 	case 3:
 		/* display console ... */
 		/* XXX */
-#if NSC > 0
+#ifdef DEV_SC
 		sccnattach();
 #else
 		panic("not configured to use display && keyboard console");
diff --git a/sys/alpha/alpha/dec_2100_a500.c b/sys/alpha/alpha/dec_2100_a500.c
index 3bcf22f71dee..ec34c05b1b28 100644
--- a/sys/alpha/alpha/dec_2100_a500.c
+++ b/sys/alpha/alpha/dec_2100_a500.c
@@ -43,7 +43,7 @@
 #include <alpha/pci/t2var.h>
 #include <alpha/pci/t2reg.h>
 
-#include "sc.h"
+#include "opt_dev_sc.h"
 #ifndef	CONSPEED
 #define	CONSPEED TTYDEF_SPEED
 #endif
@@ -125,7 +125,7 @@ dec_2100_a500_cons_init()
 	case 3:
 		/* display console ... */
 		/* XXX */
-#if NSC > 0
+#ifdef DEV_SC
 		sccnattach();
 #else
 		panic("not configured to use display && keyboard console");
diff --git a/sys/alpha/alpha/dec_axppci_33.c b/sys/alpha/alpha/dec_axppci_33.c
index ed052fb3e644..3c9eadb801b9 100644
--- a/sys/alpha/alpha/dec_axppci_33.c
+++ b/sys/alpha/alpha/dec_axppci_33.c
@@ -47,7 +47,7 @@
 #include <pci/pcivar.h>
 #include <alpha/pci/lcavar.h>
 
-#include "sc.h"
+#include "opt_dev_sc.h"
 #ifndef	CONSPEED
 #define	CONSPEED TTYDEF_SPEED
 #endif
@@ -151,7 +151,7 @@ dec_axppci_33_cons_init()
 	case 3:
 		/* display console ... */
 		/* XXX */
-#if NSC > 0
+#ifdef DEV_SC
 		sccnattach();
 #else
 		panic("not configured to use display && keyboard console");
diff --git a/sys/alpha/alpha/dec_eb164.c b/sys/alpha/alpha/dec_eb164.c
index 01c3264b9701..e1dc41fe61b0 100644
--- a/sys/alpha/alpha/dec_eb164.c
+++ b/sys/alpha/alpha/dec_eb164.c
@@ -45,7 +45,7 @@
 
 #include <alpha/pci/ciavar.h>
 
-#include "sc.h"
+#include "opt_dev_sc.h"
 
 #ifndef	CONSPEED
 #define	CONSPEED TTYDEF_SPEED
@@ -128,7 +128,7 @@ dec_eb164_cons_init()
 	case 3:
 		/* display console ... */
 		/* XXX */
-#if NSC > 0
+#ifdef DEV_SC
 		sccnattach();
 #else
 		panic("not configured to use display && keyboard console");
diff --git a/sys/alpha/alpha/dec_eb64plus.c b/sys/alpha/alpha/dec_eb64plus.c
index 0d13a3a55259..07c3b97c8024 100644
--- a/sys/alpha/alpha/dec_eb64plus.c
+++ b/sys/alpha/alpha/dec_eb64plus.c
@@ -65,7 +65,7 @@
 #include <alpha/pci/apecsreg.h>
 #include <alpha/pci/apecsvar.h>
 
-#include "sc.h"
+#include "opt_dev_sc.h"
 
 #ifndef	CONSPEED
 #define	CONSPEED TTYDEF_SPEED
@@ -153,7 +153,7 @@ dec_eb64plus_cons_init()
 		}
 
 	case 3:
-#if	NSC	> 0	
+#ifdef DEV_SC
 		/* graphics adapter console */
 		sccnattach();
 #else
diff --git a/sys/alpha/alpha/dec_kn20aa.c b/sys/alpha/alpha/dec_kn20aa.c
index a4c63b9256a2..0cb13cec95ca 100644
--- a/sys/alpha/alpha/dec_kn20aa.c
+++ b/sys/alpha/alpha/dec_kn20aa.c
@@ -47,7 +47,7 @@
 #include <alpha/pci/ciareg.h>
 #include <alpha/pci/ciavar.h>
 
-#include "sc.h"
+#include "opt_dev_sc.h"
 
 #ifndef	CONSPEED
 #define	CONSPEED TTYDEF_SPEED
@@ -131,7 +131,7 @@ dec_kn20aa_cons_init()
 	case 3:
 		/* display console ... */
 		/* XXX */
-#if NSC > 0
+#ifdef DEV_SC
 		sccnattach();
 #else
 		panic("not configured to use display && keyboard console");
diff --git a/sys/alpha/alpha/dec_kn300.c b/sys/alpha/alpha/dec_kn300.c
index a7df9f521107..a9264b175df5 100644
--- a/sys/alpha/alpha/dec_kn300.c
+++ b/sys/alpha/alpha/dec_kn300.c
@@ -55,7 +55,7 @@
 #include <alpha/pci/pci_kn300.h>
 #endif
 
-#include "sc.h"
+#include "opt_dev_sc.h"
 
 #ifndef	CONSPEED
 #define	CONSPEED	TTYDEF_SPEED
@@ -126,7 +126,7 @@ dec_kn300_cons_init()
 		break;
 
 	case 3:
-#if NSC > 0
+#ifdef DEV_SC
 		sccnattach();
 #else
 		panic("not configured to use display && keyboard console");
diff --git a/sys/alpha/alpha/dec_st550.c b/sys/alpha/alpha/dec_st550.c
index 564c3bf53f3e..62676910d030 100644
--- a/sys/alpha/alpha/dec_st550.c
+++ b/sys/alpha/alpha/dec_st550.c
@@ -52,7 +52,7 @@
 #include <alpha/pci/ciareg.h>
 #include <alpha/pci/ciavar.h>
 
-#include "sc.h"
+#include "opt_dev_sc.h"
 
 #ifndef	CONSPEED
 #define	CONSPEED TTYDEF_SPEED
@@ -128,7 +128,7 @@ st550_cons_init()
 	case 3:
 		/* display console ... */
 		/* XXX */
-#if NSC > 0
+#ifdef DEV_SC
 		sccnattach();
 #else
 		panic("not configured to use display && keyboard console");
diff --git a/sys/alpha/alpha/dec_st6600.c b/sys/alpha/alpha/dec_st6600.c
index e39c4fb59665..db118f6066e5 100644
--- a/sys/alpha/alpha/dec_st6600.c
+++ b/sys/alpha/alpha/dec_st6600.c
@@ -44,7 +44,7 @@
 #include <pci/pcivar.h>
 #include <alpha/pci/tsunamivar.h>
 
-#include "sc.h"
+#include "opt_dev_sc.h"
 
 #ifndef	CONSPEED
 #define	CONSPEED TTYDEF_SPEED
@@ -113,7 +113,7 @@ st6600_cons_init()
 	case 3:
 		/* display console ... */
 		/* XXX */
-#if NSC > 0
+#ifdef DEV_SC
 		sccnattach();
 #else
 		panic("not configured to use display && keyboard console");
diff --git a/sys/conf/options.alpha b/sys/conf/options.alpha
index b2ec46061136..784b27d903ce 100644
--- a/sys/conf/options.alpha
+++ b/sys/conf/options.alpha
@@ -45,6 +45,7 @@ SC_NORM_REV_ATTR	opt_syscons.h
 SC_PIXEL_MODE		opt_syscons.h
 SC_RENDER_DEBUG		opt_syscons.h
 SC_TWOBUTTON_MOUSE	opt_syscons.h
+DEV_SC
 
 VGA_ALT_SEQACCESS	opt_vga.h
 VGA_DEBUG		opt_vga.h