NBase-Xyplex MAXserver 1608A Getting Started page 122

Examples
This command disables the primary initialization record. With this record
disabled, the access server first attempts to load or dump using information
in the secondary initialization record.
XYPLEX>> DEFINE SERVER LOADDUMP PRIMARY DISABLED
This command enables all initialization records.
XYPLEX>> DEFINE SERVER LOADDUMP ALL ENABLED
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Getting Started with MAXserver Access Servers
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