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Hitachi HDS723020BLA642 manual 04h, Input Parameters From The Device LBA Low

Models: HDS723020BLA642

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7K200 SATA OEM Specification

 

02h

SET MAX LOCK

 

03h

SET MAX UNLOCK

 

04h

SET MAX FREEZE LOCK

 

When the

Set Max ADDRESS command is executed, this register is

 

ignored.

 

B

Option bit for selection whether nonvolatile or volatile. B=0 is volatile

 

condition. When B=1, MAX LBA/CYL which is set by Set Max

 

ADDRESS command is preserved by POR. When B=0, MAX LBA/CYL

 

which is set by Set Max ADDRESS command will be lost by POR.

LBA Low

in LBA mode, this register contains LBA bits 0 - 7 which is to be

 

input.(L=1)

 

In CHS mode, this register is ignored. (L=0)

LBA High/Mid

In LBA mode, this register contains LBA bits 8 - 15 (Mid), 16 - 23 (High)

 

which is to be set. (L=1)

 

In CHS mode, this register contains max cylinder number which is to be

 

set. (L=0)

H

In LBA mode, this register contains LBA bits 24 - 27 which is to be

 

input.(L=1)

 

In CHS mode, this register is ignored. (L=0)

L

LBA mode.Indicates the addressing mode.L=0 specifies CHS mode and

 

L=1 does LBA addressing mode.

Input Parameters From The Device

 

 

LBA Low

In LBA mode, this register contains Adjusted max LBA bits 0 - 7.(L=1)

 

In CHS mode, this register contains max LBA Low(= 63). (L=0)

LBA High/Mid

In LBA mode, this register contains Adjusted max LBA bits 8 - 15 (Mid),

 

16 - 23 (High). (L=1)

 

In CHS mode, this register contains max cylinder number which is set.

 

(L=0)

 

H

In LBA mode, this register contains Adjusted max LBA bits 24 - 27. (L=1)

 

In CHS mode, this register contains max head number(= 15).(L=0)

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Hitachi HDS723020BLA642 manual 04h, Input Parameters From The Device LBA Low
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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.