diff --git a/sys/arch/pmax/include/conf.h b/sys/arch/pmax/include/conf.h
index 0638bdbadeb3..e854da965a10 100644
--- a/sys/arch/pmax/include/conf.h
+++ b/sys/arch/pmax/include/conf.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: conf.h,v 1.1 1996/04/10 16:17:23 jonathan Exp $	*/
+/*	$NetBSD: conf.h,v 1.2 1996/04/14 00:56:59 jonathan Exp $	*/
 
 
 /*
@@ -21,11 +21,15 @@
 cdev_decl(mm);
 
 
-cdev_decl(scc);
-cdev_decl(dc);
+cdev_decl(scc);		/* pmax (also alpha m-d z8530 SCC */
+cdev_decl(dc);		/* dc7085 dz11-on-a-chip */
 
-bdev_decl(rz);
+bdev_decl(rz);		/* antique 4.4bsd/pmax SCSI disk */
 cdev_decl(rz);
 
-bdev_decl(tz);
+bdev_decl(tz);		/* antique 4.4bsd/pmax SCSI tape driver */
 cdev_decl(tz);
+
+cdev_decl(dtop);	/* Personal Decstation (MAXINE) desktop bus */
+cdev_decl(fb);		/* generic framebuffer pseudo-device */
+cdev_decl(rcons);	/* framebuffer-based raster console pseudo-device */