SERVNSA parameter

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Summary

Default value
0
Parameter type
User
Where set
On User 0's parameter line
Related products
All
Introduced
Model 204 V7.4

Description

The SERVNSA parameter, along with the SERVNSSZ parameter, controls non-swappable server areas which are placed above the 2G bar.

Each server table to be allocate above the bar is controlled by a bit in SERVNSA; if the bit is on, the corresponding server table is allocated above the bar. The bits are:

BitServer table placed above the bar
X'02000000'FTBL
X'00004000'NTBL

SERVNSSZ (server non-swappable size) is the amount of space in bytes required for the above-the-bar server tables per user. The total amount of storage allocated for non-swappable server areas equals SERVNSSZ rounded to 4 K and multiplied by NUSERS.

When sizing SERVNSSZ, it should accomodate the largest non-swappable table sizes that might be needed.

For more information about server tables above the bar, see the Rocket Model 204 System Manager's Guide.