Hitachi HDS723020BLA642 - Command Descriptions

Hitachi hard disk drive specifications
107
11 Command Descriptions
Protocol
Command
Code
Binary Code Bit
(Hex)
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
Configure Stream
51
0
1
0
1
0
0
0
1
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
2
Download Microcode
92
1
0
0
1
0
0
1
0
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
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
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 FPDMA Queued
60
0
1
1
0
0
0
0
0
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
4
Read Stream DMA
2A
0
0
1
0
1
0
1
0
4
Read Stream PIO
2B
0
0
1
0
1
0
1
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
1
0
0
0
0
1
0
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
3
Security Freeze Lock
F5
1
1
1
1
0
1
0
1
2
Security Set Password
F1
1
1
1
1
0
0
0
1
2
Security Unlock
F2
1
1
1
1
0
0
1
0
Table 63 Command Set