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Expansion Bus Video Notes

Expansion Bus Video Notes. PCTS 1 KaHS. Expansion Bus. I/O Addressing. LPT/COM. Memorize port addresses and IRQs Base I/O address is… Can we have two components setup on the same IRQ?. ISA/EISA/VESA. What are two significant benefits of MCA Why did MCA fail?

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Expansion Bus Video Notes

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  1. Expansion Bus Video Notes PCTS 1 KaHS

  2. Expansion Bus

  3. I/O Addressing

  4. LPT/COM • Memorize port addresses and IRQs • Base I/O address is… • Can we have two components setup on the same IRQ?

  5. ISA/EISA/VESA • What are two significant benefits of MCA • Why did MCA fail? • EISA = 7 MHz, 32 bit, self config. • VL = ____ _____ ___ • What was speed and bit width of VL? • When was VL in use? • What prompted VESA Local Bus? • What were two drawbacks of VESA?

  6. Peripheral Component Interconnect (PCI) • AMR (AMD)/CNR ( • USB • Each controller controls up to 127 devices • Uses hubs • Can you plug in 127 devices (yes) • 5 meters • Should you? (no: it bogs down the system • Connectors: Type A, B, and mini B • USB 1.1 • Original • Low = 1.5 MB • High = 12 MB • USB 2.0

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