Maxtor D540X-4K manual 0QVG

Page 75

ATA Bus Interface and ATA Commands

￿￿￿￿￿￿￿￿5'6The￿%10(+)74#6+10SET CONFIGURATION command is secured to prevent accessing it accidentally. To access the SET CONFIGURATION command, you must write the pattern shown in Table 6-8to the Command Block Registers. The first byte, FFh, is a subcode to the extended command code F0h.

Accessing the SET CONFIGURATION Command

1F2h#&&4'558#FFh .7'

Set Configuration&'(+0+6+10Subcode

1F3h

FFh

Password

 

 

 

1F4h

FFh

Password

 

 

 

1F5h

3Fh

Password

 

 

 

1F6h

AXh

Drive Select

 

(Drive 0)

 

 

BXh

Drive Select

 

(Drive 1)

 

1F7h

F0h

Extended Command Code

6CDNG￿￿￿￿￿￿Registers 1F2h through 1F5h must contain the exact values shown above. These values function as a key. The drive responds by setting the ABRT bit in the Error register if the key is not entered correctly.

To select the drive being reconfigured, register 1F6h should be set. For execution of the command to begin, load register 1F7h with F0h.

￿￿￿￿￿￿￿￿5'6The￿%10(+)74#6+10SET CONFIGURATION￿9+6*176WITHOUT￿5#8+0)￿61SAVING￿&+5-TO DISK command is secured to prevent accidentally accessing it. To access this command, you must write the pattern shown in Table -9to the Command Block Registers. The first byte, FEh, is a subcode to the extended command code F0h.

6CDNG￿￿￿￿￿￿

Accessing the SET CONFIGURATION WITHOUT SAVING TO DISK Command

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1F2h#&&4'55

FEh8#.7'

 

&'(+0+6+10

 

 

 

Set Configuration Subcode

 

 

 

1F3h

FFh

Password

 

 

 

 

0QVG￿

 

 

 

 

 

 

1F4h

FFh

Password

 

 

 

 

1F5h

3Fh

Password

 

 

 

 

1F6h

AXh

Drive Select

 

 

 

 

(Drive 0)

 

 

 

 

 

 

BXh

Drive Select

 

 

 

 

Drive 1)

 

 

 

 

 

1F7h

F0h

Extended Command Code

 

 

 

 

 

 

 

 

Maxtor D540X-4K 20.4/40.0/60.0/80. GB AT 6-13

Image 75
Contents CZVQT&-2TQFWEV/CPWCN$#6 UL/CSA/VDE/TUV Miller Drive Longmont, Colorado Tel Fax Cottonwood Drive Milpitas, California Tel FaxPage Unpacking Instructions Combination Connector J1Terminology and Conventions Hardware RequirementsHandling the Drive Techniques in Drive ConfigurationSystem Startup and Operation Environmental Conditions Shock and VibrationEndec Smart Read Attribute ThresholdsMaxtor D540X-4K AT Hard Disk Drive Block Diagram KUVQH6CDNGU3-5 Accessing the SET Configuration WithoutTable of Contents Installation AsicApplication-specific integrated circuit ECC ATADPS SPSMaxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT About This Manual D540X-4K drives an attractive choice for most CE users StandardsWith the ATA interface High-reliability drivesGeneral Description General Description General Description Kiwtg Installation Remove the drive from the packing assemblyKiwtg Kiwtg X2+0 Installation =16,383#% ,7/24 To the adapter board Following subsections KiwtgMaxtorKIWTGD540X%#76+10-4K 20.4/40.0/60.0/80.0 GB AT At any point along the drive form factor envelope Minimum of 1.25 mm 0.05 inches07/$4 You need a third-party IDE-compatible adapter board Drive Power Supply and ATA Bus Interface Cables Kiwtg Installation Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT LogicalAddressingFormat Capacity&5%4+26+10 Ms $ #6 4idle spin Down +10Chapter 6CDNG$# /#614&$#-$#6$#6Nominal conditions are as follows Mand Spindown Time, Power loss+5 V &%81.6# 124# 1700 &KUM $Bel = 10dBA 6CDNG 6CDNG Specifications 4414 6CDNG#76+10 Hard Disk Drive Exploded View System Data 400 6145 # 4#3680 481.78Basic Principles of Operation Maxtor D540X-4K AT Hard Disk Drive Block Diagram TTQTfirmware%QTTGEVKQP. %QFG%%%QPVTQN On the drive PLL EndecBasic Principles of Operation Basic Principles of Operation Latency time and thus increases data throughput Switch time is calculated on the basis of the normal wedge Head Skew= Head number TS = Head Skew Offset 0QVG Basic Principles of Operation Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT Download Microcode NOP Read Buffer Write Buffer ATA Bus Interface and ATA CommandsRead DMA Write DMA ATA Bus Interface and ATA Commands 6CDNG ATA Bus Interface and ATA Commands ATA Bus Interface and ATA Commands 6CDNG Read Defect List Read Configuration SET ConfigurationSector4+564 Sector Variable Length in Sectors Number Bytes 4 7 will be set to FFh for bad track entries 6CDNGCommand6CDNG 0QVG All fields marked Reserved or N/A should be set to zero KEY$+6ATA Bus Interface and ATA Commands #46COMMAND4#&CODE#664+-$B0h766*45*1.&5 $VGUQTOCV 2 binary $VGU1 #46COMMAND46740CODE56#675- B0h Sector4GIKUVGT Number na 4GIKUVGT Features ATA Bus Interface and ATA Commands Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT G-1 More hard disks, usually installed in a slot in the computer Maxtor D540X-4K 20.0/40.0/60.0/80.0 GB AT G-3 Glossary Maxtor D540X-4K 20.0/40.0/60.0/80.0 GB AT G-5 Glossary Maxtor D540X-4K 20.0/40.0/60.0/80.0 GB AT G-7 Glossary Hardware*options 3-4headstack assembly 5-5Humidity Low-level format $tampering with the HDA 5-1temperature Index

D540X-4K specifications

The Maxtor D540X-4K is a notable hard disk drive that has made its mark in the world of computer storage solutions. Launched in the early 2000s, this drive was known for its high capacity and reliable performance, making it a popular choice among consumers and businesses alike.

One of the main features of the D540X-4K is its generous storage capacity. With a range of models available, users could select from configurations starting at 40GB to larger sizes, accommodating a wide variety of storage needs. This capacity was particularly advantageous during an era when digital media was rapidly expanding, allowing users to store everything from documents and photos to videos and applications without running out of space.

The D540X-4K utilizes an IDE (Integrated Drive Electronics) interface, also known as PATA (Parallel ATA), which ensures compatibility with a broad spectrum of computers. This interface was standard at the time, making the drive accessible to a wide user base. The drive also supports ATA-100, providing data transfer rates of up to 100 MB/s, which was impressive for its time.

In terms of performance, the drive operates at a speed of 5400 RPM, which, while not the fastest in comparison to modern solid-state drives, provided a suitable balance of speed and efficiency for the average user’s needs. This rotational speed ensured decent read and write times for everyday applications, making it a reliable option for personal computing.

Another characteristic of the D540X-4K is its advanced data protection features. The drive was equipped with Maxtor's unique Shock Protection Technology, which helps protect the drive’s internal components from damage due to shocks or drops. This feature contributed to increased reliability, especially for users in mobile or high-traffic environments.

The Maxtor D540X-4K also incorporates a Cache Buffer, which enhances performance by temporarily storing frequently accessed data. The cache sizes varied across models, with options of 2MB or more, aiding in quicker data retrieval and overall improved system responsiveness.

In summary, the Maxtor D540X-4K is a hard drive that stands out for its storage capacity, compatibility, and protective features. Even today, it serves as a reminder of the evolution of data storage technologies, as it laid the groundwork for the high-capacity drives we utilize in modern computing. Its legacy continues to influence new technologies while reflecting the needs of the early digital era.