Appendix
MPT-7000V User Manual
77
A. I/O Port Address Map
Each peripheral device in the system is assigned a set of I/O port addresses
which also becomes the identity of the device. The following table lists the I/O
port addresses used.
Address
Device Description
070h
– 077h
Real Time Clock
2E0h
– 2E7h
Serial Port #6(COM6)
*
COM6 sigals come from the on-board connector J11, and is
reserved for future use to connect to CAN module.
2E8h
– 2EFh
Serial Port #4(COM4)
2F0h
– 2F7h
Serial Port #3(COM5)
*
COM5 is for internal use only.
2F8h
– 2FFh
Serial Port #2(COM2)
3B0h
– 3DFh
Intel(R) HD Graphics
3E8h
– 3EFh
Serial Port #5(COM3)
3F8h
– 3FFh
Serial Port #1(COM1)
0D00
– FFFF
PCI-e Root Complex
B. Interrupt Request Lines (IRQ)
Peripheral devices use interrupt request lines to notify CPU for the service
required. The following table shows the IRQ used by the devices on board.
Level
Function
IRQ0
System Timer
IRQ3
Serial Port #2
IRQ4
Serial Port #1
IRQ5
Serial Port #4
IRQ6
Serial Port #3
IRQ7
Serial Port #6
IRQ8
System CMOS/real time clock
IRQ10
Serial Port #5
IRQ18
High Definition Audio Controller
