FUJITSU MHV2120AT - Manual (Page 164)

Interface
5-88 C141-E218
*23 WORD 128
Bit 15-9: Reserved
Bit 8: Security level. 0: High, 1: Maximum
Bit 7-6: Reserved
Bit 5: '1' = Enhanced security erase supported
Bit 4: '1' = Security counter expired
Bit 3: '1' = Security frozen
Bit 2: '1' = Security locked
Bit 1: '1' = Security enabled
Bit 0: '1' = Security supported