IBM I5/OS - Manual (Page 22)

i Series. my Series.
I/O Concepts
IOP
PCI-X Bus
I/O
Bridge
HSL Loop
IOA IOA IOA
2
GB/s
133
MHz
Hierarchy of Microprocessors
43
i Series. my Series.
I/O Concepts
I/O Facts
I/O allocations are done at slot level
A single slot can be allocated
BUS/IOP/IOA requirements must be met !
Allocate a slot as “desired”
If the resource is available at allocation, then grab it
Otherwise continue to activate anyway
Allocate a slot as “required”
If the resource is available at allocation, then grab it
Otherwise do not continue the activation process
44