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Tunable Parameters and Memory
Guidelines
The following table shows the tunable parameter guidelines for IPC-1600.
IPC-1600 TUNABLE PARAMETERS
SYSTEM MEMORY
PARAMETER
2MB
4MB
8MB 16 MB+
NCLIST
120 170
560
1180
NPROC
100
150
200
400
NREGION
210
300
600
1200
The installation of the IPC-1600 UNIX system driver and related software
is independent of these requirements. However, to obtain proper system
performance, these parameters should be adjusted before the installation of
the IPC-1600. Refer to the UNIX System V/ 386 Operations/System
Administration Guide for additional information and procedures on setting
tunable parameters. By adjusting these parameters and then installing the
IPC-1600 UNIX system software, only one system reboot is necessary to
install both the new tunable parameter data and the IPC-1600 data.
Failure to adjust these parameters may result in table overflow warning
messages and poor performance.
3-2 IPC-1600 USER’S GUIDE