Symbols
Terms used in the FBDIMM protocol are defined under labels that are referred to as symbols. Symbols can be used in defining triggers or for use in default store qualifications. Below is a list of labels with the symbols defined. When using a label for which symbols are defined, change the hex property to sym to display the symbol representation. A, B and C below refer to the command slot A, B, C respectively in the southbound frame.
DRAM commands - A, B, C labels
Symbol
Symbol Value
| reserved | 00 100x |
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| Enter Power down | 00 1010 |
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| Exit Self Refresh | 00 1011 |
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| Enter Self Refresh | 00 1100 |
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| Auto Refresh | 00 1101 |
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| Precharge Single | 00 1110 |
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| Precharge All | 00 1111 |
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| READ | 01 0xxx | |
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| WRITE | 01 1xxx | |
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| ACTIVATE | 1x xxxx | |
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