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PRIMEQUEST 2000 Series Design Guide
Partition#0
Partition#1
Partition#2
Partition#3
SB#0
SB#1
SB#2
SB#3
IOU#0
IOU#1
IOU#2
IOU#3
SB#0
SB#1
SB#2
SB#3
IOU#0
IOU#1
IOU#2
IOU#3
3.2.3 Switching Reserved SB Rules (5/5)
When Each Reserved SB Is Incorporated in a Partition
If One or More Partitions Are Powered Off
Among the powered-off Reserved SBs, the Reserved SB with the highest SB number is used first.
If All Partitions Are Powered On
The Reserved SB with the highest SB number is used first.
=> Then, the partition with this Reserved SB is stopped.
[Example] When the Reserved SBs (SB#1, SB#2, and SB#3) for Partition#0 Belong to Other Partitions
(If SB#0 Fails)
R
H
H
H
H
R
R
H
R
H
R
R
H
R
R
R
R
Cannot be
used
Partition#0
Partition#1
Partition#3
Powered off
Powered off
Powered off
Powered off
Partition#2
R
: Reserved SB
H
: Home SB
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