1 files changed, 9 insertions, 1 deletions

diff --git a/include/asm-i386/mach-default/mach_reboot.h b/include/asm-i386/mach-default/mach_reboot.h
index 521e227db679..06ae4d81ba6a 100644
--- a/include/asm-i386/mach-default/mach_reboot.h
+++ b/include/asm-i386/mach-default/mach_reboot.h
@@ -22,7 +22,15 @@ static inline void mach_reboot(void)
         for (i = 0; i < 100; i++) {
                 kb_wait();
                 udelay(50);
-                outb(0xfe, 0x64);         /* pulse reset low */
+                outb(0x60, 0x64);       /* write Controller Command Byte */
+                udelay(50);
+                kb_wait();
+                udelay(50);
+                outb(0x14, 0x60);       /* set "System flag" */
+                udelay(50);
+                kb_wait();
+                udelay(50);
+                outb(0xfe, 0x64);       /* pulse reset low */
                 udelay(50);
         }
 }