Table 159 Error data structure

218

Table 160 Self-test log data structure

219

Table 161 Selective self-test log data structure

220

Table 162 Selective self-test feature flags

220

Table 163 SMART Error Codes

221

Table 164 Standby Command (E2h/96h)

222

Table 165 Standby Immediate Command (E0h/94h)

224

Table 166 Write Buffer Command (E8h)

225

Table 167 Write DMA Command (Cah/CBh)

226

Table 168 Write DMA FUA Ext Command (3Dh)

228

Table 169 Write DMA Ext Command (35h)

230

Table 170 Write FPDMA Queued Command (61h)

232

Table 171 Write Log Ext Command (3Fh)

234

Table 172 Write Multiple Command (C5h)

236

Table 173 Write Multiple Ext Command (39h)

238

Table 174 Write Multiple FUA Ext Command (CEh)

240

Table 175 Write Sector(s) Command (30h/31h)

242

Table 176 Write Sector(s) Ext Command (34h)

244

Table 177 Write Stream DMA Command (3Ah)

246

Table 178 Write Stream PIO Command (3Bh)

249

Table 179 Write Uncorrectable Ext Command (45h)

252

Table 180

Timeout Values

254

Table 181

Timeout Values --Continued--

255

List of figures

 

Figure 1 PList physical format

23

Figure 2 Connector location (2 disk model shown)

24

Figure 3 the timing of COMRESET, COMINIT and COMWAKE

27

Figure 4 Limits of temperature and humidity

29

Figure 5 Top and side views with breather hole location and mechanical dimensions

34

Figure 6 1D model Top and side views with breather hole location and mechanical dimensions

35

Figure 7 Bottom and side views with mounting hole locations

36

Figure 8 Mounting hole locations (all dimensions are in mm)

37

Figure 9 Connector locations

38

Figure 10

Initial Setting

62

Figure 11

Usual Operation

63

Figure 12

Password Lost

64

- Hitachi hard disk drive specifications –

9

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Hitachi HUA722050CLA330/1, HCS721050CLA382 Selective self-test log data structure, Write Multiple FUA Ext Command CEh

HCS721016CLA382, HCS721050CLA382, HCS721025CLA382, HDP725050GLA360, HUA722050CLA330/1 specifications

Hitachi's lineup of hard disk drives, including models such as HDS721075CLA632, HDS721032CLA362, HDS721032CLA662, HDS721050CLA362, and DSDS7210C09EN-04, offers a variety of features catering to different storage needs. These drives are widely recognized for their reliability, performance, and efficiency, making them suitable for both consumer and enterprise applications.

The HDS721075CLA632 model, with a capacity of 750GB, strikes a balance between performance and storage capabilities. It operates at 7200 RPM, ensuring quick access to data while maintaining low latency. Its 32MB cache enhances data transfer rates and improves overall system responsiveness. This HDD is particularly useful for gaming, multimedia, and office applications, allowing users to store a substantial amount of data with quick retrieval times.

The HDS721032CLA362 and HDS721032CLA662 share many similarities and are both designed for budget-conscious consumers. With a capacity of 320GB and a 7200 RPM, they offer efficient storage solutions for everyday tasks. The 32MB cache buffer enables efficient caching of frequently accessed files, providing a smooth experience for users.

Another notable model is the HDS721050CLA362, which features a capacity of 500GB. Like its counterparts, this drive operates at a speed of 7200 RPM and utilizes a 32MB cache, which ensures optimal performance for data-heavy applications. This model stands out for its energy efficiency, resulting in lower operational costs, making it an appealing choice for businesses and energy-conscious consumers alike.

On the other hand, the DSDS7210C09EN-04 is a part of Hitachi's enterprise-oriented offerings. This drive is engineered for demanding applications, featuring advanced technologies such as error recovery controls and enhanced data protection features. With a focus on reliability and performance, the DSDS7210C09EN-04 serves well in server environments and for high-performance computing.

Hitachi's hard drives incorporate various technologies that enhance their performance and durability. Features such as staggered start-up, which gradually powers on the drive, help minimize power surges and increase the longevity of the device. Moreover, Hitachi's commitment to quality ensures that each drive undergoes rigorous testing, guaranteeing functionality and reliability.

Overall, the diverse range of models from Hitachi provides effective solutions for anyone from casual users to enterprises, combining storage capacity with advanced technologies to meet the evolving demands of modern data storage.