The SmartStart CD contains setup utilities and the ability to do an assisted installation of Windows.
The PSP contains drivers and the health agents for HP SIM.
If you do an assisted Windows installation via SmartStart, the PSP is automatically installed.
Most system setup can be configured using RBSU and ORCA during POST. The only utility you might need from the SmartStart CD is the ACU (Array Configuration Utility). The ORCA utility built into the Smart Array controllers can only setup simple RAID configurations, if you need multiple Logical Drives on an array you have to use ACU.
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