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  | ATA Bus Interface and ATA Commands | 
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Word | 
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  | Content Description | 
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128  | Security status  | ||
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  | Reserved  | ||
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  | 8:  | Security level 0 = High, 1 = Maximum  | |
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  | Reserved  | ||
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  | 5:  | 1  | = Enhanced security erase supported  | 
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  | 4:  | 1  | = Security count expired  | 
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  | 3:  | 1  | = Security frozen  | 
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  | 2:  | 1  | = Security locked  | 
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  | 1:  | 1  | = Security enabled  | 
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  | 0:  | 1  | = Security supported  | 
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Vendor specific  | |||
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160  | CFA power mode 1  | ||
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  | 15:  | Word 160 supported  | |
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  | 14:  | Reserved  | |
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  | 13:  | CFA power mode 1 is required for one or more commands implemented  | |
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  | by the device  | |
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  | 12:  | CFA power mode 1 disabled  | |
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  | Maximum current in ma  | ||
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Reserved for assignment by the CompactFlash Association  | |||
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Current media serial number  | |||
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Reserved  | 
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255  | Integrity word  | ||
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  | Checksum  | ||
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  | Signature  | ||
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