Operation Mode Of I/O Slot Expansion Unit - Hitachi Compute Blade 2000 User Manual

Operation mode of I/O slot expansion
unit
The I/O slot expansion unit has two I/O modules with eight I/O adapter slots. The I/O
module has two operation modes, 1:8 mode and 1:4 mode. I/O adapter slots
assigned to each module depend on the mode. Mode setting can be configured to
two I/O modules in the unit respectively. Respective setting can be available for I/O
modules connected to one physical partition. The following figure shows an example
of operation modes and connection. Operation modes can be changed by
maintenance personnel. Consult your reseller or maintenance personnel.
Server chassis connection port
#1 #0
I/O
module
#1
PCI Express
expander
8 I/O adapters available
through server chassis
connect port #0 of I/O
module #1.
1:8 mode
Server chassis connection port
#1 #0
I/O
module
#1
PCI Express
expander
8 I/O dapters available
through server chassis
connect port #0 of I/O
module #1.
#1 #0
I/O
module
#0
PCI Express
expander
8 I/O adapters available
through server chassis
connect port #0 of I/O
module #0.
#1 #0
I/O
module
#0
PCI Express
expander
4 I/O dapters available 4 I/O dapters available
through server chassis through server chassis
connect port #1 of I/O connect port #0 of I/O
module #0. module #0.
Mixed configuration with 1:8 mode/1:4 mode

Operation mode of I/O slot expansion unit

1497
#1 #0
I/O
module
#1
PCI Express
expander
4 I/O dapters available 4 I/O dapters available
through server chassis through server chassis
connect port #1 of I/O connect port #0 of I/O
module #1. module #1.
1:4 mode
#1 #0
I/O
module
#1
PCI Express
expander
4 I/O dapters available 4 I/O dapters available
through server chassis through server chassis
connect port #1 of I/O connect port #0 of I/O
module #1. module #1.
#1 #0
I/O
module
#0
PCI Express
expander
4 I/O dapters available 4 I/O dapters available
through server chassis through server chassis
connect port #1 of I/O
connect port #0 of I/O
module #0.
module #0.
#1 #0
I/O
module
#0
PCI Express
expander
4 I/O dapters available
through server chassis
connect port #1 of I/O
module #0.