Proface APL3000B - Node Box PC - Manual (Page 137)

PL3000 Series Reference Manual
A-2
1 I/O Map
Address AT System Device System Device
0000H-001FH DMA controller (8237)
0020H-003FH Interrupt controller (8259A)
0040H-005FH System timer (8254)
0060H-006FH Keyboard controller
0070H-007FH Real time clock, NMI mask
0080H-009FH DMA page register
00A0H-00BFH Interrupt controller 2 (8259A)
00C0H-00DFH DMA controller 2 (8237)
00F0H-00FFH Numeric data processor
01F0H-01FFH Hard disk (IDE)
0290H-0297H Reserved System monitor
029CH-029FH Reserved
SRAM (Only when
SRAM option is installed)
02E8H-02EFH Reserved
Serial port 4 (COM4) :
General use
02F8H-02FFH Serial port 2 (COM2): General use
Battery
(Not available only when
battery is mounted.)
03B0H-03BBH Video controller (VGA)
03C0H-03DFH Video controller (VGA)
03E8H-03EFH Reserved
Serial port 3 (COM3) :
General use
03F8H-03FFH Serial port 1 (COM1): General use