ADLINK Express-LPC - Manual (Page 30)

Express-LPC User’s Manual Page 30
Legacy I/O Map (cont’d)
Address (hex) Size Description Comment
03F6 – 03F7 2 bytes Primary IDE controller
03F8 – 03FF 8 bytes COM1
0400 – 041F 32 bytes Onboard SMBus control registers
0480 – 04BF 64 bytes GPIO control registers
04D0 – 04D1 2 bytes Edge/level triggered PIC
0800 – 087F 128 bytes ACPI control registers.
0A79 – 0A79 1 bytes ISA PnP read data Port
0CF8 – 0CFF* 8 bytes PCI configuration registers Note (*)
0CF9** 1 byte Reset control register Note (**)
04700 – 0470F 16 bytes TPM control registers
(*) DWORD access only
(**) Byte access only
7.4 Interrupt Request (IRQ) Lines
PIC Mode
IRQ# Typical Interrupt Resource Connected Available
0 Counter 0 N/A No
1 Keyboard controller N/A No
2 Cascade interrupt from slave PIC N/A No
3 Serial Port 2 (COM2) / PCI IRQ3 via SERIRQ Note (1)
4 Serial Port 1 (COM1) / PCI IRQ4 via SERIRQ Note (1)
5 Parallel Port 2 (LPT2) / PCI IRQ5 via SERIRQ Note (1)
6 Floppy Drive Controller IRQ6 via SERIRQ No
7 Parallel Port 1 (LPT1) / PCI IRQ7 via SERIRQ, Note (1)
8 Real-time clock N/A No
9 SCI / PCI IRQ9 via SERIRQ Note (1)
10 PCI IRQ10 via SERIRQ Note (1)
11 PCI IRQ11 via SERIRQ Note (1)
12 PS/2 Mouse / PCI IRQ12 via SERIRQ Note (1)
13 Math Processor N/A No
14 Primary IDE controller / PCI IRQ14 via SERIRQ Note (1)
15 Secondary IDE controller / PCI IRQ15 via SERIRQ Note (1)
(1) These IRQs can be used for PCI devices when onboard device is disabled.