Ibm I5/OS Manuel d'utilisateur télécharger pdf (Page 22)

iSeries. mySeries.

I/O Concepts

IOP

PCI-X Bus

I/O

Bridge

HSL Loop

IOA IOA IOA

GB/s

133

MHz

Hierarchy of Microprocessors

iSeries. mySeries.

I/O Concepts

I/O Facts

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I/O allocations are done at slot level

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A single slot can be allocated

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BUS/IOP/IOA requirements must be met !

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Allocate a slot as “desired”

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If the resource is available at allocation, then grab it

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Otherwise continue to activate anyway

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Allocate a slot as “required”



If the resource is available at allocation, then grab it



Otherwise do not continue the activation process

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Ibm I5/OS Manuel d'utilisateur Page 22