
Advantech SOM-Express Design Guide
Chapter 2 SOM-Express Overview 21
Table 2.7 SOM-5780 I/O Map
Memory Address Description
00000000 - 00000CF7 PCI bus
00000000 - 0000000F Direct memory access controller
00000010 - 0000001F Motherboard resources
00000020 - 00000021 Programmable interrupt controller
00000022 - 0000003F Motherboard resources
00000040 - 00000043 System timer
00000044 - 0000005F Motherboard resources
00000060 - 00000060 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
00000061 - 00000061 System speaker
00000062 - 00000063 Motherboard resources
00000064 - 00000064 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
00000065 - 0000006F Motherboard resources
00000070 - 00000073 System CMOS/real time clock
00000074 - 0000007F Motherboard resources
00000080 - 00000090 Direct memory access controller
00000091 - 00000093 Motherboard resources
00000094 - 0000009F Direct memory access controller
000000A0 - 000000A1 Programmable interrupt controller
000000A2 - 000000BF Motherboard resources
000000C0 - 000000DF Direct memory access controller
000000E0 - 000000EF Motherboard resources
000000F0 - 000000FF Numeric data processor
00000170 - 00000177 Secondary IDE Channel
000001F0 - 000001F7 Primary IDE Channel
00000274 - 00000277 ISAPNP Read Data Port
00000279 - 00000279 ISAPNP Read Data Port
000002F8 - 000002FF Communications Port (COM2)
00000376 - 00000376 Secondary IDE Channel
00000378 - 0000037F Printer Port (LPT1)
000003B0 - 000003BB Intel(R) 82915GM Graphics Controller
000003C0 - 000003DF Intel(R) 82915GM Graphics Controller
000003F6 - 000003F6 Primary IDE Channel
000003F8 - 000003FF Communications Port (COM1)
00000400 - 000004BF Motherboard resources
000004D0 - 000004D1 Motherboard resources
00000500 - 0000051F Intel(R) 82801FBM SMBus Controller - 24C3
00000778 - 0000077B Printer Port (LPT1)
00000A78 - 00000A7B Motherboard resources
00000B78 - 00000B7B Motherboard resources
00000BBC - 00000BBF Motherboard resources
00000D00 - 0000FFFF PCI bus
00000E78 - 00000E7B Motherboard resources
00000F78 - 00000F7B Motherboard resources
00000FBC - 00000FBF Motherboard resources
0000E000 - 0000E007 Intel(R) 82915GM Graphics Controller
0000E100 - 0000E11F Intel(R) 82801FBM USB Universal Host Controller - 24C2
0000E200 - 0000E21F Intel(R) 82801FBM USB Universal Host Controller - 24C4
0000E300 - 0000E31F Intel(R) 82801FBM USB Universal Host Controller - 24C7
0000E500 - 0000E5FF Realtek AC'97 Audio
0000E600 - 0000E63F Realtek AC'97 Audio
0000F000 - 0000F00F Intel(R) 82801FBM Ultra ATA Storage Controller - 24CB