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Unformatted text preview: a. I/O Mode i. all devices on the bus look for patterns of ones and zeroes to appear on the address bus b. Every device on PC has an I/O address c. Configured Automatically plug n play d. No two devices can have the same I/O address VI. I/O Advance Programmable Interrupt Controller (IOAPIC) a. Traffic cop for INT request b. uses special interrupt wires c. run to all devices on the expansion bus VII. DMA Controller a. 8237 b. Controls all DMA functions...
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- Spring '10
- expansion bus, expansion bus crystal, Expansion Bus I., Bus a. 8-bits