C o m p a c t B o a r d P C M - 5 8 9 3 / 5 8 9 3 LAppendix B I/O Information B - 2B.1 I/O Address MapAddress Description User Address000-01F DMA Controller #1 000-000F020-03F Interrupt Controller #1, Master 020-021040-05F System Time 040-043060-06F 8042 (Keyboard Controller) 060-064070-07F Real time Clock, NMI (non-maskableInterrupt) Mask 070-073080-09F DMA Page Register 080-08F0A0-0BF Interrupt Controller #2 0A0-0A10C0-0DF DMA Controller #2 0C0-0DF0F0-0FF Math Coprpcessor 0F0-0FF1F0-1F7 Primary IDE Channel 1F0-1F72E8-2EF Serial Port 4 2E8-2EF2F8-2FF Serial Port 2 2F8-2FF378-37F Parallel Printer Port 1 378-37F3B0-3DF EGA / VGA card 3B0-3DF3E8-3EF Serial Port 3 3E8-3EF3F8-3FF Serial Port 1 3F8-3FFB.2 1 st MB Memory Address MapMemory Address Description00000-9FFFF System memoryA0000-BFFFF VGA bufferC0000-CBFFF VGA BIOSE0000-FFFFF System BIOS
