I/O MAP
[000-0 I F]
DMA controller (Master)
[020-02 1 ]
INTERRUPT controller (Master)
[022-023)
CHIPSET control registers 1/0 Ports
[040-0SF]
TIMER control registers
[060-06F]
KEYBOARD interface controller (8042)
[070-07F]
RTC ports
·
and CMOS I/0 ports
[080-09F]
DMA register
[OAO-OBF]
INTERRUPT controller (Slave)
[OCO-ODF]
DMA controller (Slave)
[OFO-OFF]
MATH CORPROCESSOR
[ I FO- I F8]
HARD DISK control ler
[278-27F)
PARALLEL port-2
[2B0-2DF]
GRAPHICS adapter controller
[2F8-2FF]
SERIAL ports-2
[378-37F]
PARALLEL port- !
[3B0-3BF]
MONOCHROME and PRINTER adapter
[3C0-3CF]
EGA adapter
[3D0-3DF]
CGA adapter
[3F0-3F7]
FLOPPY DISK controller
[3F8-3FF]
SERIAL port- !
User's Manual 53
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