Hitachi HDS728080PLAT20 Specifications - Page 178
Command Completion Time Limit
UPC - 829686000094
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Feature Current Feature Previous CCTL (7:0) Sector Count Current Sector Count Previous Sector Number Current Sector Number Previous Cylinder Low Current Cylinder Low Previous Cylinder High Current Cylinder High Previous The time allowed for the current command's completion is calculated as follows: Command Completion Time Limit = (content of the Feature register Pre- vious) * (Identify Device words (99:98)) useconds If the value is zero, the device shall use the Default CCTL supplied with a previous Configure Stream command for this Stream ID. If the Default CCTL is zero, or no previous Configure Stream command was defined for this Stream ID, the drive will ignore the CCTL. The time is measured from the write of the command register to the final INTRQ for command completion. The number of continuous sectors to be transferred low order, bits (7:0) The number of continuous sectors to be transferred high order, bits (15:8). If zero is specified in the Sector Count register, then 65,536 sectors will be transferred. LBA (7:0). LBA (31:24). LBA (15:8). LBA (39:32). LBA (23:16). LBA (47:40). Input Parameters From The Device Sector Number (HOB=0) LBA (7:0) of the address of the first unrecoverable error. Sector Number (HOB=1) LBA (31:24) of the address of the first unrecoverable error. Cylinder Low (HOB=0) LBA (15:8) of the address of the first unrecoverable error. Cylinder Low (HOB=1) LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. CCTO (Error, bit 0) CCTO bit shall be set to one if a Command Completion Time Limit Out error has occurred. Deskstar 7K80 Hard Disk Drive Specification 174