Advantech PCL-849 manual PC I/O Address Usage

PC I/O Address Usage

The following table indicates the PC I/O address usage assignments. To prevent the PCL-849 card settings from conflicting with other device or I/O card settings, we recommend you refer to this table.

I/O Address	Device
000 - 00F	DMA (8237A)
020 - 021	8259A IRQ Controller
040 - 043	8253/8254 Timer/Counter
060 - 063	PPI 8255A
070 - 071	Real-Time Clock
080 - 08F	DMA Page Register
0A0 - 0BF	8259A Interrupt Chip
0C0 - 0DF	Second DMA Controller 8237A
0F0 - 0FF	Math Coprocessor
1F0 - 1F8	AT Fixed Disk
200 - 20F	Game I/O
278 - 27F	Parallel Printer Adaptor #2
2F8 - 2FF	Serial Adaptor ( COM 2 )
320 - 32F	XT Fixed Disk
378 - 37F	Parallel Printer Adaptor #1
380 - 38F	SDLC Binary Communication Adaptor
3A0 - 3AF	Master Binary Communication Adaptor
3B0 - 3BF	Monochrome/Parallel Adaptor
3D0 - 3DF	Color Graphics Adaptor
3F0 - 3F7	Diskette Controller
3F8 - 3FF	Serial Adaptor ( COM 1 )

3 0 PCL-849 User's Manual