Hitachi HDS723020BLA642 manual 14.8

Models: HDS723020BLA642

1 173
Download 173 pages 57.38 Kb
Page 5
Image 5

 

 

7K200 SATA OEM Specification

13.5

First-parity DMA Commands

73

14 COMMAND DESCRIPTIONS

74

14.1 Check Power Mode (E5h/98h)

78

14.2 Device Configuration Overlay (B1h)

79

14.2.1 DEVICE CONFIGURATION RESTORE (subcommand C0h)

79

14.2.2 DEVICE CONFIGURATION FREEZE LOCK (subcommand C1h)

79

14.2.3 DEVICE CONFIGURATION IDENTIFY (subcommand C2h)

80

14.2.4 DEVICE CONFIGURATION SET (subcommand C3h)

80

14.3 Execute Device Diagnostic (90h)

83

14.4

Flush Cache (E7h)

84

14.5 Flush Cache Ext (EAh)

85

14.6 Format Track (50h: Vendor Specific)

86

14.7 Format Unit (F7h: Vendor Specific)

87

14.8

Identify Device (ECh)

88

14.9

Idle (E3h/97h)

99

14.10

 

Idle Immediate (E1h/95h)

100

14.11

 

Initialize Device Parameters (91h)

101

14.12

 

Read Buffer (E4h)

102

14.13

 

Read DMA(C8h/C9h)

103

14.14

 

Read DMA Ext (25h)

104

14.15

 

Read FPDMA Queued (60h)

105

14.16

 

Read Log Ext(2Fh)

106

14.16.1

General purpose Log Directory

107

14.16.2

Extended comprehensive SMART error log

107

14.16.3

Extended Self-test log sector

110

14.16.4

Command Error

111

14.16.5

Phy Event Counter

112

14.17

 

Read Multiple (C4h)

114

14.18

 

Read Multiple Ext (29h)

115

14.19

 

Read Native Max Address (F8h)

116

14.20

 

Read Native Max Address Ext (27h)

117

14.21

 

Read Sector(s) (20h/21h)

118

14.22

 

Read Sector(s) Ext (24h)

119

14.23

 

Read Verify Sector(s) (40h/41h)

120

14.24

 

Read Verify Sector(s) Ext (42h)

121

14.25

 

Recalibrate (1xh)

122

14.26

 

Security Disable Password (F6h)

123

14.27

 

Security Erase Prepare (F3h)

124

14.28

 

Security Erase Unit (F4h)

125

14.29

 

Security Freeze Lock (F5h)

127

14.30

 

Security Set Password (F1h)

128

14.31

 

Security Unlock (F2h)

130

14.32

 

Seek (7xh)

131

14.33

 

Sense Condition (F0h : vendor specific)

132

14.34

 

Set Features (EFh)

133

14.35

 

Set Max Address (F9h)

135

14.36

 

Set Max Address Ext (37h)

137

14.37

 

Set Multiple (C6h)

139

14.38

 

Sleep (E6h/99h)

140

14.39

 

S.M.A.R.T Function Set (B0h)

141

14.39.1

S.M.A.R.T. Sub commands

141

14.39.2

Device Attributes Data Structure

146

14.39.3

Device Attribute Thresholds Data Structure

150

14.39.4

S.M.A.R.T. Log Directory

151

14.39.5

S.M.A.R.T. error log sector

151

14.39.6

Self-test log data structure

154

14.39.7

Selective self-test log data structure

155

14.39.8

Error Reporting

155

14.40

 

Standby (E2h/96h)

156

14.41

 

Standby Immediate (E0h/94h)

157

14.42

 

Write Buffer (E8h)

158

 

 

5/173

 

Page 5
Image 5
Hitachi HDS723020BLA642 manual 14.8

HDS723020BLA642 specifications

The Hitachi HDS723020BLA642 is a high-performance hard disk drive that exemplifies the balance between reliability and advanced technology, making it an excellent choice for a range of applications, from desktop computers to enterprise storage solutions. This 2TB SATA hard drive is designed to meet the growing data storage needs of users who demand both speed and efficiency.

One of the key features of the HDS723020BLA642 is its impressive rotational speed of 7200 RPM. This speed facilitates faster data access and improved overall performance, significantly enhancing the user experience during data-intensive operations such as gaming, video editing, and large file transfers. Coupled with a SATA III interface, this drive facilitates data transfer rates of up to 6 Gb/s, providing an efficient conduit for moving data quickly between the hard drive and the motherboard.

The drive comes equipped with a large 64 MB cache, which plays a crucial role in buffering read and write operations. This substantial amount of cache memory allows the drive to temporarily store frequently accessed data, leading to reduced latency and enabling smoother multitasking capabilities. Users will benefit from faster load times and reduced wait periods when working with large files.

Reliability is another defining characteristic of the HDS723020BLA642. Hitachi, now a part of Western Digital, has a longstanding reputation for producing durable hard drives. This model incorporates advanced technologies, such as the Fluid Dynamic Bearing (FDB) for quieter operation and better longevity. The drive also features an enhanced error recovery system that minimizes the risk of data loss, making it a suitable option for both personal and professional use.

In terms of power efficiency, the HDS723020BLA642 is designed to consume less power during operation compared to older hard drive models. This efficiency not only helps in reducing operational costs but also contributes to a longer lifespan for the drive itself.

Overall, the Hitachi HDS723020BLA642 hard drive combines speed, reliability, and efficiency into a compact package, making it an ideal choice for users needing a substantial amount of storage without compromising on performance. Whether for upgrading an existing system or building a new one, this drive offers a blend of technology and durability that caters to modern storage demands.