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PCIe Devices - PLX Technology

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Links vs. Lanes<br />

n<br />

<strong>PCIe</strong> Links are made up of one or more Lanes<br />

l<br />

l<br />

Links are configured when devices are attached<br />

– May optionally be reconfigured by software<br />

x1, x2, x4, x8, x12, x16, and x32 currently allowed<br />

configurable Links<br />

One x4 Link<br />

Four x1 Links<br />

TX1-RX1<br />

TX2-RX2<br />

TX3-RX3<br />

TX4-RX4<br />

TX1-RX1<br />

TX2-RX2<br />

TX3-RX3<br />

TX4-RX4<br />

Lane 0 Lane 1 Lane 2 Lane 3<br />

Link A<br />

Lane 0<br />

Link A<br />

Lane 1<br />

Link B<br />

Lane 2<br />

Link C<br />

Lane 3<br />

Link D<br />

Copyright by Dashcourses, Inc. 2009<br />

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