Lenovo NetVista A20 (English) User guide - Page 119
System input/output addresses, Specification tables
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System input/output addresses This table shows the hexadecimal addresses for each of the system board Input/ Output (I/O) functions. You may want to use this information if you install an adapter card that requires you to set I/O addresses. Table 3: System input/output addresses Address range (hexadecimal) 000-00F 020-021 040-043 060-060 061-061 070-071 081-08F 0A0-0A1 0C0-0DF 0F0-0FF 170-177 1F0-1F7 200-207 278-27F 2F8-2FF 378-37F 3F0-3F5 3F6-3F6 Function DMA controller-1 Interrupt controller-1 System timer Keyboard controller 8742 System Speaker CMOS RAM Address and Real Time Clock DMA controller-2 Interrupt controller-2 DMA controller-2 Math Co-Processor Secondary IDE Primary IDE Game Port Parallel Printer Port 2 Serial Asynchronous Port 2 Parallel Printer Port 1 Floppy Disk Controller Secondary EIDE Specification tables A-3
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