Advantech 4-Port RS-232 Interface card PCL-849 - Manual (Page 29)

3 0 PCL-849 User's Manual
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 )