--- Net2/arch/i386/isa/fd.c	2018/04/24 18:04:01	1.1.1.1
+++ Net2/arch/i386/isa/fd.c	2018/04/24 18:04:57	1.1.1.2
@@ -50,9 +50,14 @@
 #include "i386/isa/isa_device.h"
 #include "i386/isa/fdreg.h"
 #include "i386/isa/icu.h"
+#undef NFD
+#define NFD 2
+/*#define	FDDEBUG
+#define FDTEST
+#define FDOTHER*/
 
-#define	FDUNIT(s)	((s)&1)
-#define	FDTYPE(s)	(((s)>>1)&7)
+#define	FDUNIT(s)	((s>>3)&1)
+#define	FDTYPE(s)	((s)&7)
 
 #define b_cylin b_resid
 #define b_step b_resid
@@ -314,31 +319,9 @@ Fdopen(dev, flags)
 fdclose(dev, flags)
 	dev_t dev;
 {
+	return(0);
 }
 
-/****************************************************************************/
-/*                            fdread/fdwrite                                */
-/****************************************************************************/
-/*
- * Routines to do raw IO for a unit.
- */
-fdread(dev, uio)			/* character read routine */
-dev_t dev;
-struct uio *uio;
-{
- 	int unit = FDUNIT(minor(dev)) ;
-	if (unit >= NFD) return(ENXIO);
-	return(physio(fdstrategy,&fd_unit[unit].rhead,dev,B_READ,minphys,uio));
-}
-
-fdwrite(dev, uio)			/* character write routine */
-dev_t dev;
-struct uio *uio;
-{
- 	int unit = FDUNIT(minor(dev)) ;
-	if (unit >= NFD) return(ENXIO);
-	return(physio(fdstrategy,&fd_unit[unit].rhead,dev,B_WRITE,minphys,uio));
-}
 
 /****************************************************************************/
 /*                                 fdstart                                  */