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-rw-r--r--sys/isa/isareg.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/sys/isa/isareg.h b/sys/isa/isareg.h
index 05f21bfb..8be7443 100644
--- a/sys/isa/isareg.h
+++ b/sys/isa/isareg.h
@@ -56,10 +56,7 @@
#define IO_DMA1 0x000 /* 8237A DMA Controller #1 */
#define IO_ICU1 0x020 /* 8259A Interrupt Controller #1 */
#define IO_PMP1 0x026 /* 82347 Power Management Peripheral */
-#define IO_TIMER1 0x040 /* 8253 Timer #1 */
-#define IO_TIMER2 0x048 /* 8253 Timer #2 */
#define IO_KBD 0x060 /* 8042 Keyboard */
-#define IO_PPI 0x061 /* Programmable Peripheral Interface */
#define IO_RTC 0x070 /* RTC */
#define IO_NMI IO_RTC /* NMI Control */
#define IO_DMAPG 0x080 /* DMA Page Registers */
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