Personal Computer User Manual

AR-B1851 User’s Guide
AR-B1851
38
Appendix C: I/O Address Map
I/O ADDRESS MAP
I/O ADDRESS MAP DESCRIPTION
00000000-0000000F DMA Controller
00000000-00000CF7 PCI Bus
00000010-0000001F Mainboard Resource
00000020-00000021
Programable Interrupt Controller
00000022-0000003F Mainboard Resource
00000040-00000043 System Timer
00000044-0000005F Mainboard Resource
00000060-00000060 Standard 101/102 keyboard Controller
00000061-00000061 System Speaker
00000062-00000063 Mainboard Resource
00000064-00000064 Standard 101/102 keyboard Controller
00000065-0000006F Mainboard Resource
00000070-00000073 System CMOS/RTC
00000074-0000007F Mainboard Resource
00000080-00000090 DMA Controller
00000091-00000093 Mainboard Resource
00000094-0000009F DMA Controller
000000A0-000000A1 Programable interrupt controller
000000A2-000000BF Mainboard Resource
000000C0-000000DF DMA Controller
000000E0-000000EF Mainboard Resource
000000F0-000000FF Math Coprocessor
00000170-00000177 Secondary IDE Channel
000001F0-000001F7 Primary IDE Channel
00000274-00000277 ISAPNP Read Data Port
00000279-00000279 ISAPNP Read Data Port
00000294-00000297 Mainboard Resource
000002E8-000002EF COM4
000002F8-000002FF COM2
00000376-00000376 Secondray IDE Channel
00000378-0000037F LPT