#define PAM_NUM 7
#define PAM_RW 0x33
+/* X-Bus Chip Select Register */
+#define XBCS 0x4e
+#define APIC_EN (1 << 8)
+
/* IDE Timing Register */
#define IDE0_TIM 0x40
#define IDE1_TIM 0x42
-#define IDE_DECODE_EN 0x8000
+#define IDE_DECODE_EN (1 << 15)
/* I/O Ports */
#define CMOS_ADDR_PORT 0x70