IBM eserver i5 - Simplicity in an on demand world

iSeries. mySeries.
Architecture
HMC
Service
Processor
Processor
Complex
Main
Storage
I/O
Subsystem
NVRAM
Permanent Temporary
The Service Processor

Standard built-in, independent component of every eServer i5 or p5

Own processor, memory and boot code

NVRAM stores the “firmware” and the LPAR configuration
7
iSeries. mySeries.
Architecture
The Service Processor (aka SP)

Once main power is connected ...

The SP activates its own “firmware” operating system

Control panel shows C1xx progress codes

Gathers vital product data (VPD) from the electronic components in the server

Runs diagnostic routines to verify its hardware and firmware

Control panel shows 01 and the green power LED is flashing

The server is in “SP Standby” mode

The server is ready to interface with HMC
HMC
Service
Processor
Processor
Complex
Main
Storage
I/O
Subsystem
NVRAM
Permanent Temporary
8