From Hellmuth Michaelis, reviewed by Bruce Evans: This enables

the keyboard clock rather than incorrectly disabling it.

diff --git a/sys/i386/boot/io.c b/sys/i386/boot/io.c
index 736a348..8586b72 100644 (file)
--- a/sys/i386/boot/io.c
+++ b/sys/i386/boot/io.c
@@ -24,7 +24,7 @@
  * the rights to redistribute these changes.
  *
  *     from: Mach, Revision 2.2  92/04/04  11:35:57  rpd
  * the rights to redistribute these changes.
  *
  *     from: Mach, Revision 2.2  92/04/04  11:35:57  rpd

- *     $Id: io.c,v 1.3 1993/10/16 19:11:36 rgrimes Exp $
+ *     $Id: io.c,v 1.4 1994/06/15 18:15:17 adam Exp $

  */
 
 #include <i386/include/pio.h>
  */
 
 #include <i386/include/pio.h>


@@ -38,10 +38,10 @@
 
 #define KC_CMD_WIN     0xd0            /* read  output port */
 #define KC_CMD_WOUT    0xd1            /* write output port */
 
 #define KC_CMD_WIN     0xd0            /* read  output port */
 #define KC_CMD_WOUT    0xd1            /* write output port */

-#define KB_A20         0x9f            /* enable A20,
+#define KB_A20         0xdf            /* enable A20,

                                           enable output buffer full interrupt
                                           enable data line
                                           enable output buffer full interrupt
                                           enable data line

-                                          disable clock line */
+                                          enable clock line */

 
 /*
  * Gate A20 for high memory
 
 /*
  * Gate A20 for high memory