58 RS/6000 43P 7043 Models 150 and 260 Handbook
Concurrent Mode allows the normal system functions to continue while
selected resources are being checked.
Maintenance Mode allows checking of most system resources.
The System Management Service (SMS) error log is accessible from the
SMS menu for tests performed through SMS programs.
3.1.2.7 Service Director for RS/6000
The Service Director for RS/6000 is available at no additional charge if the
RS/6000 processor is covered by an IBM Warranty or IBM Maintenance
Service Agreement. When installed on the RS/6000, the Service Director for
RS/6000 can enhance IBM’s ability to provide the system with maintenance
service. The Service Director for RS/6000 is responsible for the following
operations:
• Monitors and analyzes system errors, and if needed, can automatically
place a service call to IBM without customer intervention.
• Can reduce the effect of business disruptions due to unplanned system
outages and failures.
• Performs problem analysis on a subset of hardware-related problems and,
with customer authorization, can automatically report the results to IBM
service.
3.1.2.8 On-line Customer Support (OCS)
On-line Customer Support for hardware problem reporting may be performed
through remote login by RS/6000 specialists using normal AIX facilities. The
Service Director for RS/6000 software can also be used for this capability.
AIX support offerings will be under AIXSERV and Service Director for
RS/6000.
3.1.3 Supported Optional Features
In this section,

optional features

are defined as internal optional devices,
external adapters, and external subsystems that can be configured on the
RS/6000 Model 150.
3.1.3.1 Memory
RS/6000 Model 150 comes standard with 128 MB of ECC SDRAM memory.
The Model 150 can expanded up to 1 GB of memory. This allows the
customer to easily upgrade the processor cards by selecting one to four