Acer Power ST Aspire T300 Service Guide - Page 20

I/O Address Map 000-01F 020-021 040-043 060-060 061-061 070-071 080-08F 0A0-0A1 0C0-0DF 0F0-0FF 170-177 1F0-1F7 278-27F 2F8-2FF 378-37F 3F0-3F5 3F6-3F6 3F7-3F7 3F8-3FF 0CF8 0CFC 778-77A Hex Range Devices DMA Controller-1 Interrupt Controller-1 System Timer Keyboard Controller 8742 System Speaker CMOS RAM Address and Real Time Clock DMA Page Register Interrupt Controller-2 DMA Controller-2 Math Co-Processor Secondary IDE Primary IDE Parallel Printer Port 2 Serial Asynchronous Port 2 Parallel Printer Port 1 Floppy Disk Controller Secondary IDE Primary IDE Serial Asynchronous Port 1 Configuration Address Register Configuration Data Register Parallel Printer Port 1 IRQ Assignment Map IRQx IRQ0 IRQ1 IRQ2 IRQ3 IRQ4 IRQ5 IRQ6 IRQ7 IRQ8 IRQ9 IRQ10 IRQ11 IRQ12 IRQ13 IRQ14 IRQ15 System Devices Timer Keyboard Cascade Interrupt Control Serial Alternate Serial Primary MPU-401(Alternate) Floppy Disk Parallel Port Real Time Clock N N N PS/2 Mouse Math Coprocessor Exception Primary IDE Secondary IDE NOTE: N - Not be used Add-On-Card Devices N N N Reserved Reserved Reserved Reserved Reserved N Reserved Reserved Reserved Reserved N Reserved Reserved 14 Chapter 1