Deskstar 7K250 Hard Disk Drive Specification
105
12.0 Command descriptions
The table below shows the commands that are supported by the device. Table 50: “Command Set (subcommand)”
on page 107 shows the subcommands that are supported by each command or feature.
Table 48: Command Set (1 of 2)
Protocol Command
Code
(Hex)
Binary Code Bit
7 6 5 4 3 2 1 0
3 Check Power Mode E5 1 1 1 0 0 1 0 1
3 Check Power Mode* 98 1 0 0 1 1 0 0 0
3 Device Configuration RESTORE B1 1 0 1 1 0 0 0 1
3 Device Configuration FREEZE LOCK B1 1 0 1 1 0 0 0 1
1 Device Configuration IDENTIFY B1 1 0 1 1 0 0 0 1
2 Device Configuration SET B1 1 0 1 1 0 0 0 1
3 Execute Device Diagnostic 90 1 0 0 1 0 0 0 0
3 Flush Cache E7 1 1 1 0 0 1 1 1
3 Flush Cache Ext EA 1 1 1 0 1 0 1 0
2 Format Track 50 0 1 0 1 0 0 0 0
3 Format Unit E7 1 1 1 1 0 1 1 1
1 Identify Device EC 1 1 1 0 1 1 0 0
3 Idle E3 1 1 1 0 0 0 1 1
3 Idle* 97 1 0 0 1 0 1 1 1
3 Idle Immediate E1 1 1 1 0 0 0 0 1
3 Idle Immediate* 95 1 0 0 1 0 1 0 1
3 Initialize Device Parameters 91 1 0 0 1 0 0 0 1
3 NOP 00 0 0 0 0 0 0 0 0
1 Read Buffer E4 1 1 1 0 0 1 0 0
4 Read DMA C8 1 1 0 0 1 0 0 0
4 Read DMA C9 1 1 0 0 1 0 0 1
4 Read DMA Ext 25 0 0 1 0 0 1 0 1
5 Read DMA Queued C7 1 1 0 0 0 1 1 1
5 Read DMA Queued Ext 26 0 0 1 0 0 1 1 0
1 Read Long 22 0 0 1 0 0 0 1 0
1 Read Long 23 0 0 1 0 0 0 1 1
1 Read Log Ext 2F 0 0 1 0 1 1 1 1
1 Read Multiple C4 1 1 0 0 0 1 0 0
1 Read Multiple Ext 29 0 0 1 0 1 0 0 1
3 Read Native Max ADDRESS F8 1 1 1 1 1 0 0 0
3 Read Native Max ADDRESS Ext 27 0 0 1 0 0 1 1 1
1 Read Sector(s) 20 0 0 1 0 0 0 0 0
1 Read Sector(s) 21 0 0 1 0 0 0 0 1
1 Read Sector(s) Ext 24 0 0 1 0 0 1 0 0
3 Read Verify Sector(s) 40 0 1 0 0 0 0 0 0
3 Read Verify Sector(s) 41 0 1 0 0 0 0 0 1
3 Read Verify Sector(s) Ext 42 0 0 0 1 - - - -
3 Recalibrate 1x 0 0 0 1 - - - -
2 Security Disable Password F6 1 1 1 1 1 0 1 0
3 Security Erase Prepare F3 1 1 1 1 0 0 1 1
2 Security Erase Unit F4 1 1 1 1 0 1 0 0
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