See also:
STRSST
1. Start a service tool
7. Hardware service manager
2. Logical hardware resources (buses, IOPs, controllers,...)
1. System bus resources
Drill down into some of the IOP's. You should see something like:
Description Type-Model Status Name
Disk Unit 6719-074 Operational DD004
Optical Storage Unit % 6321-002 Operational OPT01
That percent sign indicates an alternate IPL device.
Rob Berendt
