Advantech SOM-Express Design Guide
24 Chapter 2 SOM-Express Overview
Table 2.12 SOM-5782 I/O Map
Memory Address Description
0x0000-0x0CF7 PCI bus
0x0000-0x0CF7 Direct memory access controller
0x0010-0x001F Motherboard resources
0x0020-0x0021 Programmable interrupt controller
0x0022-0x003F Motherboard resources
0x0040-0x0043 System timer
0x0044-0x005F Motherboard resources
0x0060-0x0060 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
0x0061-0x0061 System speaker
0x0062-0x0063 Motherboard resources
0x0064-0x0064 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
0x0065-0x006F Motherboard resources
0x0070-0x0073 System CMOS/real time clock
0x0074-0x007F Motherboard resources
0x0080-0x0090 Direct memory access controller
0x0091-0x0093 Motherboard resources
0x0094-0x009F Direct memory access controller
0x00A0-0x00A1 Programmable interrupt controller
0x00A2-0x00BF Motherboard resources
0x00C0-0x00DF Direct memory access controller
0x00E0-0x00EF Motherboard resources
0x00F0-0x00FF Numeric data processor
0x0170-0x0177 Secondary IDE Channel
0x01F0-0x01F7 Primary IDE Channel
0x0274-0x0277 ISAPNP Read Data Port
0x0279-0x0279 ISAPNP Read Data Port
0x02F8-0x02FF Communications Port (COM2)
0x0376-0x0376 Secondary IDE Channel
0x0378-0x037F Printer Port (LPT1)
0x03B0-0x03BB Mobile Intel(R) 945GM Express Chipset Family
0x03C0-0x03DF Mobile Intel(R) 945GM Express Chipset Family
0x03F0-0x03F5 Standard floppy disk controller
0x03F6-0x03F6 Primary IDE Channel
0x03F7-0x03F7 Standard floppy disk controller
0x03F8-0x03FF Communications Port (COM1)
0x0400-0x04BF Motherboard resources
0x04D0-0x04D1 Motherboard resources
0x0500-0x051F Intel(R) 82801G (ICH7 Family) SMBus Controller - 27DA
0x0680-0x06FF Motherboard resources
0x0778-0x077B Printer Port (LPT1)
0x0880-0x088F Motherboard resources
0x0A78-0x0A7B Motherboard resources
0x0B78-0x0B7B Motherboard resources
0x0BBC-0x0BBF Motherboard resources
0x0D00-0xFFFF PCI bus
0x0E78-0x0E7B Motherboard resources
0x0F78-0x0F7B Motherboard resources
0x0FBC-0x0FBF Motherboard resources
0xA000-0xAFFF Intel(R) 82801G (ICH7 Family) PCI Express Root Port - 27D0
0xB000-0xBFFF Intel(R) 82801GR/GH/GHM (ICH7 Family) PCI Express Root
Port - 27E2
0xBF00-0xBF1F Intel(R) PRO/1000 PL Network Connection
0xC000-0xCFFF Intel(R) 82801G (ICH7 Family) PCI Express Root Port - 27D6
