Table 58.Command Set (1 Of 2); Command Descriptions - Hitachi T7K250 - Deskstar - Hard Drive Specifications

12.0 Command descriptions

The table below shows the commands that are supported by the device. Table 61: "Command Set (subcommand)"
on page 115 shows the subcommands that are supported by each command or feature.
Table 59: Command Set (1 of 2)
Protocol
3 Check Power Mode
3 Check Power Mode*
3 Device Configuration RESTORE
3 Device Configuration FREEZE LOCK
1 Device Configuration IDENTIFY
2 Device Configuration SET
3 Execute Device Diagnostic
3 Flush Cache
3 Flush Cache Ext
2 Format Track
3 Format Unit
1 Identify Device
3 Idle
3 Idle*
3 Idle Immediate
3 Idle Immediate*
3 Initialize Device Parameters
3 NOP
1 Read Buffer
4 Read DMA
4 Read DMA
4 Read DMA Ext
5 Read DMA Queued
5 Read DMA Queued Ext
1 Read Long
1 Read Long
1 Read Log Ext
1 Read Multiple
1 Read Multiple Ext
3 Read Native Max ADDRESS
3 Read Native Max ADDRESS Ext
1 Read Sector(s)
1 Read Sector(s)
1 Read Sector(s) Ext
3 Read Verify Sector(s)
3 Read Verify Sector(s)
3 Read Verify Sector(s) Ext
3 Recalibrate
2 Security Disable Password
3 Security Erase Prepare
2 Security Erase Unit
Command
Deskstar T7K250 Hard Disk Drive Specification
113
Code Binary Code Bit
(Hex) 7 6 5 4 3 2 1 0
E5 1 1 1 0 0 1 0 1
98 1 0 0 1 1 0 0 0
B1 1 0 1 1 0 0 0 1
B1 1 0 1 1 0 0 0 1
B1 1 0 1 1 0 0 0 1
B1 1 0 1 1 0 0 0 1
90 1 0 0 1 0 0 0 0
E7 1 1 1 0 0 1 1 1
EA 1 1 1 0 1 0 1 0
50 0 1 0 1 0 0 0 0
E7 1 1 1 1 0 1 1 1
EC 1 1 1 0 1 1 0 0
E3 1 1 1 0 0 0 1 1
97 1 0 0 1 0 1 1 1
E1 1 1 1 0 0 0 0 1
95 1 0 0 1 0 1 0 1
91 1 0 0 1 0 0 0 1
00 0 0 0 0 0 0 0 0
E4 1 1 1 0 0 1 0 0
C8 1 1 0 0 1 0 0 0
C9 1 1 0 0 1 0 0 1
25 0 0 1 0 0 1 0 1
C7 1 1 0 0 0 1 1 1
26 0 0 1 0 0 1 1 0
22 0 0 1 0 0 0 1 0
23 0 0 1 0 0 0 1 1
2F 0 0 1 0 1 1 1 1
C4 1 1 0 0 0 1 0 0
29 0 0 1 0 1 0 0 1
F8 1 1 1 1 1 0 0 0
27 0 0 1 0 0 1 1 1
20 0 0 1 0 0 0 0 0
21 0 0 1 0 0 0 0 1
24 0 0 1 0 0 1 0 0
40 0 1 0 0 0 0 0 0
41 0 1 0 0 0 0 0 1
42 0 0 0 1 - - - -
1x 0 0 0 1 - - - -
F6 1 1 1 1 1 0 1 0
F3 1 1 1 1 0 0 1 1
F4 1 1 1 1 0 1 0 0