System Configuration User Guide

2. The attributes 0, 1, 4 and 5 are not supported with this switch.
3. The supported attributes are 2, 3, 6, and 7
Attributes Description.
2 Volatile(V) + Boot Service Access(BS)
3 Non-Volatile(NV) + Boot Service Access(BS)
6 Volatile(V) + Boot Service Access(BS) + Real
Time(RT)
7 Non-Volatile(NV) + Boot Service Access(BS) + Real
Time(RT)
Examples:
syscfg /bvar create testvar 33838512-0BC7-4ba4-98C0-0219C2B61BF9 testvardata
syscfg /bvar create testvar 33838512-0BC7-4ba4-98C0-0219C2B61BF9 testvardata 6
syscfg /bvar overwrite testvar testvarnewdata
syscfg /bvar delete testvar
30 Intel® System Configuration Utility – User Guide