Hitachi HDT725025VLA380 Support Question
Hitachi HDT725025VLA380 Support Question
Find answers below for this question about Hitachi HDT725025VLA380 - Deskstar 0A33423 T7K500 250GB SATA 7200RPM 8MB Cache Hard Drive.Need a Hitachi HDT725025VLA380 manual? We have 1 online manual for this item!
Question posted by wcm193329 on February 6th, 2013
How Can I Replace The Pcb Board To Bring My Drive Back Online?
It is a Hitachi part #OA33662 NOV-2007 Made in China with Chip numbers OA29530 and BA1790.
Current Answers
Related Hitachi HDT725025VLA380 Manual Pages
Specifications - Page 1
Hard Disk Drive Specification
Deskstar T7K500
3.5 inch hard disk drive
Models: HDT725025VLAT80 HDT725025VLA380 HDT725025VLA360 HDT725030VLAT80 HDT725030VLA380 HDT725030VLA360 HDT725032VLAT80 HDT725032VLA380 HDT725032VLA360 HDT725040VLAT80 HDT725040VLA380 HDT725040VLA360 HDT725050VLAT80 HDT725050VLA380 HDT725050VLA360
Version 1.2
06 December 2006
Specifications - Page 3
Hard Disk Drive Specification
Deskstar T7K500
3.5 inch hard disk drive
Models: HDT725025VLAT80 HDT725025VLA380 HDT725025VLA360 HDT725030VLAT80 HDT725030VLA380 HDT725030VLA360 HDT725032VLAT80 HDT725032VLA380 HDT725032VLA360 HDT725040VLAT80 HDT725040VLA380 HDT725040VLA360 HDT725050VLAT80 HDT725050VLA380 HDT725050VLA360
Version 1.2
06 December 2006
Specifications - Page 15
... Canadian-Underwriters Laboratory
Cyl
cylinder
DC
Direct Current
DFT
Drive Fitness Test
DMA Direct Memory Access
ECC
error correction code
EEC
European Economic Community
EMC electromagnetic compatibility
ERP
Error Recovery Procedure
ESD
Electrostatic Discharge
Deskstar T7K500 Hard Disk Drive Specification 1 1.0 General
1.1 Introduction
This document describes the specifications...
Specifications - Page 16
... Commission field replacement unit gravity (a unit of force) (32 ft/sec)2 per Hertz 1,000,000,000 bits 1,000,000,000 bytes ground hexadecimal hard disk drive Hertz Input integrated...number peak-to-peak power spectral density radiated electromagnetic susceptibility radio frequency interference relative humidity root mean square revolutions per minute reset read/write
Deskstar T7K500 Hard Disk Drive...
Specifications - Page 17
Deskstar T7K500 Hard Disk Drive Specification 3 sec
second
SELV secondary low voltage
S.M.A.R.TSelf-Monitoring, Analysis, and Reporting Technology
TPI
...its
removal from the shipping package and the ESD protective bag are the responsibility of the printed circuit board • This drive can be damaged by electrostatic discharge (ESD). Any damages incurred to the top cover. • Do...
Specifications - Page 18
Deskstar T7K500 Hard Disk Drive Specification 4
Specifications - Page 19
Addendum." Deskstar T7K500 Hard Disk Drive specification 5 2.0 General features of the drive
• Formatted capacities of 250 GB to 500 GB • Spindle... 8192 K (Upper 292 KB is used for firmware) • Ring buffer implementation • Write Cache • Native command queuing support (SATA model) • Advanced ECC On The Fly (EOF) • Automatic Error Recovery procedures for read...
Specifications - Page 20
Deskstar T7K500 Hard Disk Drive Specification 6
Specifications - Page 22
Deskstar T7K500 Hard Disk Drive Specification 8
Specifications - Page 23
... the desired track. The actuator is operational. A closed loop control. Deskstar T7K500 Hard Disk Drive Specification 9 Dynamic braking is powered off, the actuator automatically moves the...functions:
• Controls and interprets all interface signals between the host controller and the drive. • Controls read /write heads are mounted in the actuator. The spindle is accomplished via...
Specifications - Page 24
Deskstar T7K500 Hard Disk Drive Specification 10
Specifications - Page 26
... Head and Sectors ) translation is done automatically in the drive. The logical layout to Physical layout (that is, the number of heads) which is capacity clip model of cylinders to access the drive from the system interface. Deskstar T7K500 Hard Disk Drive Specification 12 Number of cylinders: For drives with capacities greater than 8.45 GB the Identify Device information...
Specifications - Page 27
Deskstar T7K500 Hard Disk Drive Specification 13 max (Kbpi) Track density [KTPI] Areal density - max (Gbits/in2 ) Number of data bands
250 GB 824
762 125 95
300/320 GB
400 GB
957
848
133 (PATA) / 300 (SATA)
8192 / 16384
7200
up to 128
up to users. 4.2 Data sheet
Table 2: Mechanical positioning performance
Description Data transfer rates...
Specifications - Page 28
Depending on the capacity some of 0. Spare cylinder
The spare cylinder is used by Hitachi Global Storage Technologies manufacturing and includes data sent from the starting data track of the inner zone ...data which can be sent and retrieved via read/write commands and a spare area for reassigned data.
Deskstar T7K500 Hard Disk Drive Specification 14
It is not relevant to logical CHS.
Specifications - Page 29
... requested data is not in quiescent state)
Time (typical) (ms)
Read (cache not hit) (from Command Write to Seek Start) Read (cache hit) (from Command Write to DRQ) Write (from Command Write to DRQ...) Write (Quiet Seek mode)
8.5
9.5
9.5
10.5
14.0
14.7
15.0
15.7
Deskstar T7K500 Hard Disk Drive Specification 15 The table below gives average command overhead. 4.5 Performance characteristics...
Specifications - Page 30
A reliable read or write operation. Deskstar T7K500 Hard Disk Drive Specification 16 max
Σ (m10 n)(Tnin + Tnout)
n=1
Weighted Average
(max + 1)(max)
where
max n... "Max" are used to correct arrival problems. The average seek time is measured as the average of one drive over the full range of the environmental and voltage
conditions. The seek time is measured from every track in ...
Specifications - Page 78
..., and as cable ties, washers, screws, and PC board mounts may be controlled include CFC-11, CFC-12, ...by TUV on the manufacturing process used to the Protocol Hitachi Global Storage Technologies requires the following:
• that ...driver module includes 12 V over current protection circuit
Deskstar T7K500 Hard Disk Drive Specification 64 All other parts not considered electrical components...
Specifications - Page 149
...ID is already valid at the device, the new parameters shall replace the old parameters, unless Command Abort is specified. In this... V V V V V V V V
Sector Number
Current Previous
Cylinder Current
Low
Previous
Cylinder Current
High
Previous
Device/Head
1 1 1 D - - - - A Configure Stream command may be a value between 0 and 7. Deskstar T7K500 Hard Disk Drive Specification 135
Specifications - Page 184
...or in valid addresses. The next error after that shall create an error log data structure that replaces the first error log data structure. These error log data structure entries are 0 to 0. 12.... structure
Bytes 18 18 18 18 18 34 124
Offset 00h 12h 24h 36h 48h 5Ah
Deskstar T7K500 Hard Disk Drive Specification 170
If there have been no error log entries, it is cleared to 4.
12...
Specifications - Page 186
... be included in the Extended SMART self-test log with zeros. Deskstar T7K500 Hard Disk Drive Specification 172
All 28-bit entries contained in the SMART self-test... create a descriptor entry that replaces descriptor entry 2, etc. The next self-test after that shall create a descriptor entry that replaces descriptor entry 1. State shall contain...number of errors attributable to one.
Similar Questions
Re: The Hitachi Deskstar 3.5' 2tb 7200rpm 32mb Cache Internal Hard Drive 0s02861
Is is SATA2 or SATA3?Newegg says SATA2, Amazon says SATA 3. It is important, because my NAS doesn't ...
Is is SATA2 or SATA3?Newegg says SATA2, Amazon says SATA 3. It is important, because my NAS doesn't ...
(Posted by aristfrangules 11 years ago)
Hitachi Internal Hard Drive.
I have a Hitachi Deskstar T7K500 HDT725025VLA380 Apr.2007, Pin:OA33662, hard drive in a decktop pc t...
I have a Hitachi Deskstar T7K500 HDT725025VLA380 Apr.2007, Pin:OA33662, hard drive in a decktop pc t...
(Posted by yuolhiel 12 years ago)
Formatage Impossible Hitachi Deskstar Model Hds722525vlat 250gb
Impossible de formater mon disque dur externe Hitachi Deskstar model HDS722525VLAT 250Gb en FAT32 ou...
Impossible de formater mon disque dur externe Hitachi Deskstar model HDS722525VLAT 250Gb en FAT32 ou...
(Posted by francoisvalli 13 years ago)
My Hard Disk Died.
I have the following hard drive: Hitachi Deskstar Model: HDS722516VLSA80 P/N: 14R9463 MLC: BA...
I have the following hard drive: Hitachi Deskstar Model: HDS722516VLSA80 P/N: 14R9463 MLC: BA...
(Posted by bchen 13 years ago)