User manual

SOM-5894 User Manual 32
D.1 System I/O Ports
Table D.1: System I/O Ports
Addr.range(Hex) Device
0000 - 001F Direct memory access controller
0020 - 0021 Programmable interrupt controller
0022 - 003F Motherboard resources
0040 - 0043 System timer
0044 - 005F Motherboard resources
0060 - 0060 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
0061 - 0061 Motherboard resources
0062 - 0062 Microsoft ACPI-Compliant Embedded Controller
0063 - 0063 Motherboard resources
0064 - 0064 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
0065 - 0065 Motherboard resources
0066 - 0066 Microsoft ACPI-Compliant Embedded Controller
0067 – 0067 Motherboard resources
0070 - 0077 System CMOS/real time clock
0072 - 007F Motherboard resources
0080 - 0080 Motherboard resources
0081 – 0091 Direct memory access controller
0090 – 009F Motherboard resources
00A0 - 00A1 Programmable interrupt controller
00A2 - 00BF Motherboard resources
00C0 - 00DF Direct memory access controller
00E0 - 00EF Motherboard resources
00F0 - 00FF Numeric data processor
01F0 - 01F7 Primary IDE Channel
01CE-01CF VGASAVE
0200-020F Motherboard resources
0274 – 0277 ISAPNP Read Data Port
0279 – 0279 ISAPNP Read Data Port
029C-029D Motherboard resources
02E8-02EF VGASAVE
02F8-02FF Communications Port (COM2)
0378-037F ECP Printer Port (LPT1)
03B0-03BB VGASAVE
03C0-03DF VGASAVE
03F8-03FF Communications Port (COM1)
0400-0453 Motherboard resources
0454-0457 Motherboard resources
0458-047F Motherboard resources
04D0-04D1 Programmable interrupt controller
0500-057F Motherboard resources
0680-069F Motherboard resources
0778-077F ECP Printer Port (LPT1)
0A79-0A79 ISAPNP Read Data Port
164E-164F Motherboard resources
F000-F03F Video Controller
F040-F05F SM Bus Controller