IEI Integration PM-1028 - Manual (Page 11)

11
COM Port I/O address
COM Port I/O address
COM1 Base Address + 00H
COM2 Base Address + 08H
COM3 Base Address + 10H
COM4 Base Address + 18H
COM5 Base Address + 20H
COM6 Base Address + 28H
COM7 Base Address + 30H
COM8 Base Address + 38H
2.5 COM Port IRQ selection
JP1: COM4 IRQ setting, JP2: COM8 IRQ setting
JP3: COM3 IRQ setting, JP4: COM7 IRQ setting
JP5: COM2 IRQ setting, JP6: COM6 IRQ setting
JP7: COM1 IRQ setting, JP8: COM5 IRQ setting
IRQ 1-2 3-4 5-6 7-8 9-10 11-12 13-14 15-16
3 ON OFF OFF OFF OFF OFF OFF OFF
4 OFF ON OFF OFF OFF OFF OFF OFF
5 OFF OFF ON OFF OFF OFF OFF OFF
7 OFF OFF OFF ON OFF OFF OFF OFF
9 OFF OFF OFF OFF ON OFF OFF OFF
10 OFF OFF OFF OFF OFF ON OFF OFF
11 OFF OFF OFF OFF OFF OFF ON OFF
12 OFF OFF OFF OFF OFF OFF OFF ON
Default setting: COM1 – IRQ3, COM2 – IRQ4, COM3 – IRQ5,
COM4 – IRQ7, COM5 – IRQ9, COM6 – IRQ10, COM7 –
IRQ11COM8 – IRQ12
2.6 IRQ sharing mode selection
• JP10: IRQ sharing mode selection
Mode 13-14 15-16
*Independent IRQ Mode ON ON
COM1~COM8 share 1 IRQ (assigned by JP7) OFF ON