AS/400e server 840
180 AS/400e System Handbook
• LPDA-1 (Link Problem Determination Aids). This is a diagnostic function supported by
some (primarily older IBM) modems.
• V.54 local and remote loopback (diagnostics functions supported by some modems)
PCI adapters also do not support X.21 switched WAN dialup or Shorthold Mode WAN.
The fundamental bus architecture of the AS/400 system is unchanged when using PCI
adapters. The AS/400 IOP continues to off load the main processor; isolate the host from
adapter and network errors; and manage, configure, and service the adapters. PCI
architecture offers advantages in flexibility over non-AS/400 system structures.
Processor Features
#2418 Model 840 Processor (IStar 12-way)
• Processor Capacity Card (CCIN 2418)
• Processor 0 (CCIN 245F)
• Processor 1 (CCIN 245E)
#2420 Model 840 Processor (IStar 24-way)
• Processor Capacity Card (CCIN 2420)
• Processor 0 (CCIN 245F)
• Processor 1 (CCIN 245E)
• Processor 2 (CCIN 245E)
• Processor 3 (CCIN 245E)
Interactive Features
The Model 840 supports various levels of interactive performance through the installation of
interactive features.
Interactive CPW is an approximate value reflecting the portion of Processor CPW that can be
used for workloads performing interactive-based tasks (5250).
• Any system administration job submitted to batch is not considered interactive work.
• Any use of Operations Navigator (GUI administration functions) is not considered
interactive work.
For a discussion of how these features influence system performance, see “IBM Workload
Estimator for AS/400” on page 28.
The available interactive options are shown in the table on page 178.
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