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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 263

Hot swapping the PCI bus

James Herr, Paul Marshik and Robert Reay

Abstract

The use of the LTC1421 and a QuickSwitch bus switch to make a PCI slot hot swappable, so that the system power can remain on when a peripheral is inserted or removed, is discussed.

Keywords

PCI bus

hot swapping

LTC1421

The Peripheral Component Interconnect (PCI) bus has become widely used in high volume personal computers and single-board computer designs. With a 32-bit data path and a bandwidth of up to 133Mbps, PCI offers the throughput demanded by the latest I/O and storage peripherals. Unfortunately, the original PCI specification does not require the bus to be hot swappable, so the system power must be turned off when a peripheral is inserted ...

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