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Table of Contents

Quickview 300

80/100/120/160/200/250/300GB PATA

iii

Appendix A

BREAKING THE 137 GIGABYTE STORAGE BARRIER 1

A.1 Breaking the 137 Gigabyte Storage Barrier ............................................................... A-1

A.1.1  History  ............................................................................................................ A-1
A.1.2  Solving the 137 Gigabyte Capacity Barrier ....................................................... A-3
A.1.3  How is the Extension Implemented? ................................................................ A-3
A.1.4  What Do the Drives Need to Meet the Spec?  .................................................. A-3
A.1.5  What Else is Involved? ..................................................................................... A-3
A.1.6  What is the Next Barrier?  ................................................................................ A-4

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Содержание QUICKVIEW 300

Страница 1: ...Maxtor Quickview 300 80 100 120 160 200 250 300GB PATA Product Manual May 24 2005 Part Number 000001922 ...

Страница 2: ...mark and certification number The Quickview 300 product has been tested and found to be in compliance with Korean Radio Research Laboratory RRL EMC requirements The product bears MIC mark logo with certifi cation number Quickview 300 model number 6LXXXXX meets the EU directive for the Restriction and Use of Hazardous Substances RoHS 2002 95 EC of the European Parliament and the council of 27 Janua...

Страница 3: ... drives This manual provides technical information for OEM engineers and systems integrators regarding the installation and use of Maxtor hard drives Drive repair should be performed only at an authorized repair center For repair information contact the Maxtor Product Support Center at 1 800 2MAXTOR CAUTION Maxtor hard drives are precision products Failure to follow these precautions and guideline...

Страница 4: ...ual pro vides technical information for OEM engineers and systems integrators regarding the installation and use of Maxtor hard drives Drive repair should be performed only at an authorized repair center For repair information contact the Maxtor Customer Service Center at 800 2MAXTOR or 1 303 678 2015 Corporate Headquarters 500 McCarthy Blvd Milpitas California 95035 Tel 408 894 5000 Fax 408 362 4...

Страница 5: ...QUIREMENTS 3 1 3 2 UNPACKING INSTRUCTIONS 3 2 3 3 HARDWARE OPTIONS 3 4 3 3 1 PATA Interface Connector 3 4 3 3 2 PATA BUS ADAPTER 3 9 3 4 COMBINATION CONNECTOR J1 3 9 3 4 1 DC Power J1 Section A 3 11 3 4 2 External Drive Activity LED 3 11 3 4 3 PATA Bus Interface Connector J1 Section C 3 11 3 5 MOUNTING 3 12 3 5 1 Orientation 3 12 3 5 2 Clearance 3 14 3 5 3 Ventilation 3 14 3 6 FOR SYSTEMS WITH AN ...

Страница 6: ...nvironmental Limits 4 6 4 9 Shock and Vibration 4 8 4 10 Reliability Specifications 4 9 4 11 EMC EMI 4 9 4 11 1 Radiated Electromagnetic Field Emissions EMC Compliance 4 9 4 11 2 Canadian Emissions Statement 4 10 4 12 Safety Regulatory Compliance 4 10 Chapter 5 ATA BUS INTERFACE AND ATA COMMANDS 5 1 INTRODUCTION 5 1 5 2 MECHANICAL INTERFACE 5 1 5 2 1 Signal Cable and Connector 5 1 5 3 ELECTRICAL I...

Страница 7: ...BYTE STORAGE BARRIER 1 A 1 Breaking the 137 Gigabyte Storage Barrier A 1 A 1 1 History A 1 A 1 2 Solving the 137 Gigabyte Capacity Barrier A 3 A 1 3 How is the Extension Implemented A 3 A 1 4 What Do the Drives Need to Meet the Spec A 3 A 1 5 What Else is Involved A 3 A 1 6 What is the Next Barrier A 4 ...

Страница 8: ... the PATA Interface Connector 3 4 Figure 3 4 AT Connector and Jumper Location 3 8 Figure 3 5 J1 DC Power and PATA Bus Combination Connector 3 10 Figure 3 6 Mounting Dimensions for the Quickview 300 Hard Drives 3 12 Figure 3 7 Mounting Screw Clearance for the Quickview 300 Hard Drive 3 13 Figure 3 8 Drive Power Supply and PATA Bus Interface Cables 3 15 Figure 4 1 Basplate Temperature Measurement Lo...

Страница 9: ...t of Tables Table 3 1 AT Jumper Options 3 5 Table 3 2 Cylinder Limitation Jumper CLJ 3 7 Table 3 3 J1 Power Connector Section A 3 11 Table 3 4 Logical Addressing Format 3 17 Table 5 1 Supported Commands 5 2 Table 5 2 Identify Drive Command Parameters 5 6 ...

Страница 10: ...l designed to make sure the user gets fast helpful accurate information to help resolve any difficulties These options include a broad searchable knowledge base of FAQ s product manuals installation guides information on previously resolved problems software downloads and contact by phone or E mail with a support person For more information visit www maxtor com en support 1 2 Audience The Quickvie...

Страница 11: ...terms used in this manual In addition the following abbreviations are used in this manual ASIC application specific integrated circuit ATA advanced technology attachment Bels sound power units bpi bits per inch DA Double Amplitude represents pk pk shaker displacement dB decibels dBA decibels A weighted DPS Data Protection System ECC error correcting code G rms G root mean square Hz hertz KB kiloby...

Страница 12: ... example is the Host Software Reset bit Commands Interface commands are listed in all capitals An example is WRITE DMA Register Names Registers are given in this manual with initial capitals An example is the Alternate Status Register Parameters Parameters are given as initial capitals when spelled out and are given as all capitals when abbreviated Examples are Prefetch Enable PE and Cache Enable ...

Страница 13: ...system in which the drive resides is referred to as the host 1 5 REFERENCES For additional information about the ATA interface refer to the latest revision of the draft standard on the internet at http www t13 org using the link under 1410D AT Attachment 6 with Packet Interface ATA ATAPI 6 and ATA ATAPI 7 ...

Страница 14: ...ded hard disk drive controller and use PATA commands to optimize system performance Because the drive manages media defects and error recovery internally these operations are fully transparent to the user The innovative design of the Quickview 300 hard disk drives incorporate leading edge technologies such as Ultra ATA 133 Advanced Cache Management Shock Protection System SPS Data Protection Syste...

Страница 15: ...on the fly 1 1 interleave on read write operations Support of all standard PATA data transfer modes with PIO mode 4 and multiword DMA mode 2 and Ultra DMA modes 0 1 2 3 4 5 and 6 Adaptive cache segmentation FDB Fluid Dynamic Bearing Motors Reliability Automatic retry on read errors 320 bit non interleaved Reed Solomon Error Correcting Code ECC with cross checking correction up to fifteen separate ...

Страница 16: ...ries drives models TUV Rheinland Standard EN60 950 This certificate is a category certification pertaining to all 3 5 inch series drives models This product meets the EC Directive on Waste Electrical and Electronic Equipment WEEE and the EC Directive on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment RoHS Product EMI EMS Qualifications CE Mark auth...

Страница 17: ...w 300 80 100 120 160 200 250 300GB PATA hard disk drive prior to operation It also explains how to start up and operate the drive 3 1 SPACE REQUIREMENTS The Quickview 300 hard disk drives are shipped without a faceplate Figure 3 1 shows the external dimensions of the Quickview 300 PATA drives Figure 3 1 Mechanical Dimensions of Quickview 300 Hard Disk Drive ...

Страница 18: ...ot handled properly Special care should be taken not to bump or drop the drive It is highly recommended that Maxtor Quickview 300 drives are not stacked or placed on any hard surface after they are unpacked Such handling could cause media damage CAUTION During shipment and handling the antistatic electrostatic dis charge ESD bag prevents electronic component damage due to electrostatic discharge T...

Страница 19: ...Installation Quickview 300 80 100 120 160 200 250 300GB PATA 3 3 Figure 3 2 Quickview 300 20 Pack Shipping Container ...

Страница 20: ...TA Interface Connector The configuration of a Quickview 300 PATA hard disk drive depends on the host system in which it is to be installed This section describes the hardware options that you must take into account prior to installation Figure 3 3 Jumper Locations on the PATA Interface Connector ...

Страница 21: ...dicates that the jumper is removed a 1 indicates that the jumper is installed and an X indi cates that the jumper setting does not matter 3 3 1 1 Cable Select CS Jumper When a Quickview 300 PATA hard disk drive and another PATA hard disk drive are daisy chained together they can be configured as Master or Slave either by the CS or DS jumpers To configure the drive as a CS DS PIN 28 PIN 42 PIN 44 D...

Страница 22: ...tionship according to the drive cable placement The Quickview 300 PATA hard disk drives are shipped from the factory as a Master Device 0 CS jumper installed To configure a drive as a Slave Device 1 DS scheme the CS jumper must be removed In this configuration the spare jumper removed from the CS position may be stored on the PK jumper pins 3 3 1 2 Drive Select DS Jumper You can also daisy chain t...

Страница 23: ...itation Jumper CLJ For user capacities below 66 055 248 sectors 32GB inserting the CLJ jumper limits the Number of Cylinders field 1 to a value of 16 383 as reported in IDENTIFY DEVICE data word This allows software drivers to determine that the actual capacity is larger than indicated by the maximum CHS requiring LBA addressing to use the full capacity A summary of these effects for the Maxtor Qu...

Страница 24: ...nstallation 3 8 Quickview 300 80 100 120 160 200 250 300GB PATA Table 3 2 Cylinder Limitation Jumper CLJ Figure 3 4 AT Connector and Jumper Location 300GB C 16383 H 16 S 63 LBA 586 114 704 Pin 42 Pin 44 ...

Страница 25: ...pin conductor ribbon cable between the drive and the motherboard You should also refer to the motherboard instruction manual to ensure signal compatibility 3 3 2 2 Adapter Board If your PC motherboard does not contain a built in 40 pin PATA bus interface connector you must install an PATA bus adapter board and connecting cable to allow the drive to interface with the motherboard Please carefully r...

Страница 26: ... 120 160 200 250 300GB PATA Figure 3 5 J1 DC Power and PATA Bus Combination Connector J1 IDE 40 Pin DC 4 Pin Combination Connector Pin 1 Center Key Slot 4 3 2 1 4 Pin DC Power J1 Section A 40 Pin IDE J1 Section C Pin 1 Pin 40 Pin 42 Pin 44 ...

Страница 27: ...e Quickview 300 80 100 120 160 200 250 300GB PATA hard disk drives the PATA bus interface cable connector J1 section C is a 40 pin Universal Header as shown in Figure 3 5 To prevent the possibility of incorrect installation the connector has been keyed by removing Pin 20 This ensures that a connector cannot be installed upside down See Chapter 5 PATA Bus Interface and PATA Commands for more detail...

Страница 28: ...lso be mounted using the four mounting hole locations on the PCB side of the drive Note It is highly recommended that the drive is hard mounted on to the chassis of the system being used for general operation as well as for test purposes Failure to hard mount the drive can result in erroneous errors during testing Drives can be mounted in any orientation Normal posi tion is with the PCB facing dow...

Страница 29: ...d length for the mounting screws The specified screw length allows full use of the mounting hole threads while avoiding damaging or placing unwanted stress on the PCB Figure 3 7 specifies the minimum clearance be tween the PCB and the screws in the mounting holes To avoid stripping the mounting hole threads the maximum torque applied to the screws must not exceed 8 inch pounds A maximum screw leng...

Страница 30: ... connector 3 6 For Systems With An PATA Adapter Board To install the 80 100 120 160 200 250 300GB PATA hard disk drive in an AT compatible system without a 40 pin PATA bus connector on its motherboard you need a third party IDE compatible adapter board 3 6 1 Adapter Board Installation Carefully read the manual that accompanies your adapter board before installing it Make sure that all the jumpers ...

Страница 31: ...ve to the board 1 Insert the 80 pin conductor cable into the mating connector of the adapter board Make sure that pin 1 of the connector matches with pin 1 on the cable 2 Insert the other end of the cable into the header on the drive When inserting this end of the cable make sure that pin 1 of the cable connects to pin 1 of the drive connector Figure 3 8 Drive Power Supply and PATA Bus Interface C...

Страница 32: ...ing Format To match the logical specifications of the drive to the drive type of a particular BIOS consult the system s drive type table This table specifies the number of cylinders heads and sectors for a particular drive type Boot the system using the operating system installation disk for example MS DOS then follow the installation instructions in the operating system manual MODELS INTERFACE MA...

Страница 33: ...20GB 160GB 200GB 250GB 300GB GB means 1 billion bytes Total accessible capacity varies depending on operating environment MODELS 80GB 100GB 120GB 160GB 200GB 250GB 300GB Sectors per Drive max LBA 160 086 528 195 813 072 240 121 728 320 173 056 398 297 088 490 234 752 586 114 704 Inte grated Interface Maxtor Ultra ATA 133 ATA 5 ATA 6 Maxtor Ultra ATA 133 ATA 5 ATA 6 Record ing Method RLL EEPR4 Serv...

Страница 34: ...ensity Gbits in2 max ID OD 75 60 8 Record ing Den sity kbpi ID OD ID 728 OD 624 Track Density ktpi 95 ktpi MODELS 80GB 100GB 120GB 160GB 200GB 250GB 300GB Seek Times typical read ms Track to Track 0 8 Average normal seek 9 0 Full Stroke normal seek 20 0 Average Latency ms 4 17 Controller Overhead ms 0 3 Rotation Speed RPM 0 1 7200 MODELS 80GB 100GB 120GB 160GB 200GB 250GB 300GB ...

Страница 35: ...D up to nn n where nn n is the maximum transfer rate possible ID 333 OD 619 Sustained ID OD up to nn n where nn n is the maximum transfer rate possible ID 30 8 OD 58 9 Data Buffer Size MB Type 8 MB 16 MB Drive Ready Time typical sec 8 0 PARAMETER VALUE Height maximum in mm 26 10 Width typical mm 101 6 Depth maximum in mm 147 Weight maximum in grams 630 MODELS 80GB 100GB 120GB 160GB 200GB 250GB 300...

Страница 36: ...olerance MODE 12V mA 5V mA POWER W Spin up peak 1667 617 23 1 Spin up peak Max 2400 1000 33 8 Seek 849 449 12 4 Read Write 426 484 7 5 Idle 322 155 4 6 Standby 43 153 1 3 Sleep 43 153 1 3 MODE 12V mA 5V mA POWER W Spin up peak 1660 632 23 1 Spin up peak Max 2400 1000 33 8 Seek 997 459 14 3 Read Write 567 494 9 3 Idle 452 182 6 3 Standby 44 182 1 4 Sleep 44 179 1 4 VOLTAGE TOLERANCE 5V 5 12V 10 ...

Страница 37: ...drive is capable of responding to read commands within 40 ms Standby The motor is not spinning The drive will leave this mode upon receipt of a command that requires disk access The time out value for this mode is programmable The buffer is active to accept write data Sleep This is the lowest power state with the interface set to inactive A software or hardware reset is required to return the driv...

Страница 38: ...s PARAMETER OPERATING NON OPERATING STORAGE Temperature 0 C to 70 C Base Casting See Figure 4 1 low temperature 40 C high temperature 71 C per MIL STD 810E method 501 3 climatic category hot induced conditions Thermal Gradient 25 C per hour maximum Relative Humidity 5 to 95 non condensing Wet Bulb 37 7 C maximum Altitude relative to sea level 650 to 10 000 feet 650 to 40 000 feet Acoustic Noise1 I...

Страница 39: ...Product Specifications Quickview 300 80 100 120 160 200 250 300GB PATA 4 7 Figure 4 1 Baseplate Tempurature Measurement Location Baseplate Temperature Measurment Location ...

Страница 40: ...om Vibration 5 2000 Hz 3 60 rad sec2 RMS Overall 2 300 Hz 96 5 rad sec2 RMS Random Vibration 5 2000 Hz 0 44 GRMS Overall PSD 7 800 Hz at 3 08 GRMS No Damage Swept Sine Vibration 1 octave minute peak amplitude 10 to 300 Hz 301 to 400 Hz 401 to 500 Hz 1 0 G 0 to peak amplitude 1 octave per minute 0 25 G 0 to peak amplitude 1 octave per minute 0 0625 G 0 to peak amplitude 1 octave per minute Operatin...

Страница 41: ...he failure rate or b The time period up to the wear out point when useful component life expires 4 11 EMC EMI 4 11 1 Radiated Electromagnetic Field Emissions EMC Compliance The hard disk drive mechanism is designed as a subassembly for installation into a suitable enclosure and is therefore not subject to Subpart J of Part 15 of FCC Rules 47CFR15 or the Canadian Department of Communications Radio ...

Страница 42: ...munications Le present appareil numerique n emet pas de bruit radioelectriques depassant les limites applicables aux appareils numeriques de Class B prescrites dans le reglement sur le brouillage radioelectrique edicte pa le ministere des communications du Canada 4 12 Safety Regulatory Compliance All Maxtor hard drives comply with relevant product safety standards such as CE CUL TUV and UL rules a...

Страница 43: ...ns as well as configuration jumpers The dimensions and specifications of the unitized connector comply with Annex A in the ATA ATAPI standard The Quickview 300 drives require the use of an 80 conductor cable ATA ATAPI 6 Annex A Figure A 4 and description to support the drive s Ultra DMA capability 5 3 ELECTRICAL INTERFACE 5 3 1 PATA Bus Interface 5 3 1 1 Electrical Characteristics Signals on the P...

Страница 44: ...Interface electronics are contained in a proprietary ASIC developed by Maxtor 5 5 2 Supported Commands The Quickview 300 hard disk drives support all the mandatory commands from the general feature set for devices not supporting the Packet command feature set Refer to the ATA ATAPI 6 standard for a detailed description of these commands The IDENTIFY DRIVE command however is elaborated in the secti...

Страница 45: ...ADDRESS F8h READ SECTOR S 20h READ VERIFY SECTOR S 40h SECURITY DISABLE PASSWORD F6h SECURITY ERASE PREPARE F3h SECURITY ERASE UNIT F4h SECURITY FREEZE LOCK F5H SECURITY SET PASSWORD F1h SECURITY UNLOCK F2h SEEK 70h SET FEATURES EFh Note 1 SET MAX ADDRESS F9h 00h SET MAX SET PASSWORD F9h 01h SET MAX LOCK F9h 02h SET MAX UNLOCK F9h 03h SET MAX FREEZE LOCK F9h 04h Table 5 1 Supported Commands Comman...

Страница 46: ...ART READ DATA B0h D0h SMART READ LOG B0h D5h SMART RETURN STATUS B0h DAh SMART SAVE ATTRIBUTE VALUES B0h D3h SMART WRITE LOG B0h D6h STANDBY E2h STANDBY IMMEDIATE E0h WRITE BUFFER E8h WRITE DMA CAh WRITE DMA EXT 35h CONFIGURE STREAM 51h READ STREAM EXT 28h WRITE STREAM EXT 38h READ STREAM DMA EXT 2Ah WRITE STREAM DMA EXT 3Ah READ LOG EXT 2Fh WRITE LOG EXT 3Fh WRITE MULTIPLE C5h WRITE PIO OVERLAP 3...

Страница 47: ...ATA Bus Interface and ATA Commands Quickview 300 80 100 120 160 200 250 300GB PATA 5 5 WRITE SECTOR S 30h Table 5 1 Supported Commands Command Command Code Feature Register Value s ...

Страница 48: ...The host may then read the information out of the sector buffer Parameter words in the buffer are shown in Table 5 2 Note All reserved bits or words should be zeroes Table 5 2 Identify Drive Command Parameters Word CONTENT DESCRIPTION 0 General configuration bit significant information 15 0 ATA device 14 8 Retired 7 1 removable media device 6 Obsolete 5 3 Retired 2 Response incomplete 1 Retired 0 ...

Страница 49: ...14 Reserved for the IDENTIFY PACKET DEVICE command 13 1 Standby timer values as specified in this standard are supported 0 Standby timer values shall be managed by the device 12 Reserved for the IDENTIFY PACKET DEVICE command 11 1 IORDY supported 0 IORDY may be supported 10 1 IORDY may be disabled 9 1 LBA supported 8 1 DMA supported 7 0 Retired 50 Capabilities 15 Shall be cleared to zero 14 Shall ...

Страница 50: ...ddressable sectors 62 Obsolete 63 15 11 Reserved 10 1 Multiword DMA mode 2 is selected 0 Multiword DMA mode 2 is not selected 9 1 Multiword DMA mode 1 is selected 0 Multiword DMA mode 1 is not selected 8 1 Multiword DMA mode 0 is selected 0 Multiword DMA mode 0 is not selected 7 3 Reserved 2 1 Multiword DMA mode 2 and below are supported 1 1 Multiword DMA mode 1 and below are supported 0 1 Multiwo...

Страница 51: ...depth 15 5 Reserved 4 0 Maximum queue depth 1 76 79 Reserved for Serial ATA 80 Major version number 0000h or FFFFh device does not report version 15 Reserved 14 Reserved for ATA ATAPI 14 13 Reserved for ATA ATAPI 13 12 Reserved for ATA ATAPI 12 11 Reserved for ATA ATAPI 11 10 Reserved for ATA ATAPI 10 9 Reserved for ATA ATAPI 9 8 Reserved for ATA ATAPI 8 7 Reserved for ATA ATAPI 7 6 1 supports ATA...

Страница 52: ... supported 5 1 write cache supported 4 Shall be cleared to zero to indicate that the PACKET Command feature set is not supported 3 1 mandatory Power Management feature set supported 2 1 Removable Media feature set supported 1 1 Security Mode feature set supported 0 1 SMART feature set supported 83 Command sets supported 15 Shall be cleared to zero 14 Shall be set to on 13 1 FLUSH CACHE EXT command...

Страница 53: ...o zero 14 Shall be set to one 13 8 Reserved 7 1 WRITE DMA QUEUED FUA EXT command supported ATA 7 6 1 WRITE DMA FUA EXT and WRITE MULTIPLE FUA EXT commands supported ATA 7 5 1 General Purpose Logging feature set supported 4 1 Streaming feature set supported ATA 7 3 1 Media Card Pass Through Command feature set supported 2 1 Media serial number supported 1 1 SMART self test supported 0 1 SMART error...

Страница 54: ...pported 10 1 48 bit Address features set supported 9 1 Automatic Acoustic Management feature set enabled 8 1 SET MAX security extension enabled by SET MAX SET PASSWORD 7 See Address Offset Reserved Area Boot INCITS TR27 2001 6 1 SET FEATURES subcommand required to spin up after power up 5 1 Power Up In Standby feature set enabled 4 1 Removable Media Status Notification feature set enabled 3 1 Adva...

Страница 55: ... 1 Ultra DMA mode 3 is selected 0 Ultra DMA mode 3 is not selected 10 1 Ultra DMA mode 2 is selected 0 Ultra DMA mode 2 is not selected 9 1 Ultra DMA mode 1 is selected 0 Ultra DMA mode 1 is not selected 8 1 Ultra DMA mode 0 is selected 0 Ultra DMA mode 0 is not selected 7 Reserved 6 1 Ultra DMA mode 6 and below are supported 5 1 Ultra DMA mode 5 and below are supported 4 1 Ultra DMA mode 4 and be...

Страница 56: ...nal was used 11 some other method was used or the method is unknown 8 Shall be set to one 7 0 Device 0 hardware reset result Device 1 shall clear these bits to zero Device shall set these bits as follows 7 Reserved 6 0 Device 0 does not respond when Device 1 is selected 1 Device 0 responds when Device 1 is selected 5 0 Device 0 did not detect the assertion of DASP 1 Device 0 detected the assertion...

Страница 57: ...fer Time PIO 105 Reserved 106 Physical sector size 15 Shall be cleared to zero 14 Shall be set to one 13 1 Device has multiple logical sectors per physical sector 12 4 Reserved 3 0 2X logical sectors per physical sector 107 Inter seek delay for ISO 7779 acoustic testing in microseconds 108 126 Reserved 127 Removable Media Status Notification feature set support 15 2 Reserved 1 0 00 Removable Media...

Страница 58: ...el 0 High 1 Maximum 7 6 Reserved 5 1 Enhanced security erase supported 4 1 Security count expired 3 1 Security frozen 2 1 Security locked 1 1 Security enabled 0 1 Security supported 129 159 Vendor specific 160 254 Reserved 255 Integrity word 15 8 Checksum 7 0 Signature Table 5 2 Identify Drive Command Parameters Word CONTENT DESCRIPTION ...

Страница 59: ... PATA 6 1 Chapter 6 SERVICE AND SUPPORT 6 1 Product Support Technical Assistance Customer Service For Product Service and Support Information please visit our site at www maxtor com for warranty service or www maxtorkb com for technical support ...

Страница 60: ...osal from Maxtor that was incorporated into ATA ATAPI 6 defines a method for extending the maximum amount of data that can be transferred per command for ATA devices from 256 sectors about 131 kilobytes to 65 536 sectors about 33 megabytes This new method is particularly useful for applications that use extremely large files such as those for A V or multimedia The following sections will describe ...

Страница 61: ... have a maximum of 268 435 456 sectors of 512 bytes of data which puts the ATA interface maximum at 137 4 gigabytes 10 megabytes early PC XT limit 16 megabytes FAT 12 limit 32 megabytes DOS 3 x limit 128 megabytes DOS 4 x limit 528 megabytes Early ATA BIOSs without BIOS extensions 2 1 gigabytes DOS file system partition limit 4 2 gigabytes CMOS extended CHS addressing limit not widely experienced ...

Страница 62: ...o that devices can implement the new feature set in addition to previously defined commands Devices implementing the 48 bit Address feature set commands will also implement commands that use 28 bit addressing in order to maintain interoperability with older system components In addition 8 bit and 48 bit commands may be intermixed The 48 bit Address feature set operates in LBA addressing only Suppo...

Страница 63: ...ems and recognize the maximum available capacity of the drive over the 137 gigabyte limit A 1 6 What is the Next Barrier While it is true that the ATA ATAPI 6 standard defines a method to provide a total capacity for a device of 144 petabytes the next limit will be imposed not by the ATA devices but by many of the popular operating systems in use today This limit will be at 2 2 terabytes 2 200 gig...

Страница 64: ...s 137 000 000 000 bytes more than 100 000 books or the contents of a good library 2 2 terabytes 2 200 000 000 000 bytes almost 2 000 000 books or the about content of the Library of Congress 144 petabytes 144 000 000 000 000 000 bytes 120 billion books more than all that man has written 9 4 zettabytes 9 400 000 000 000 000 000 000 bytes Appendix C Resources Maxtor Big Drive web site for resource i...

Страница 65: ...he use of a particular file AVERAGE SEEK TIME The average time it takes for the read write head to move to a specific location To compute the average seek time you divide the time it takes to complete a large number of random seeks all over the disk by the number of seeks performed B BACKUP A copy of a file directory or volume on a separate storage device from the original for the purpose of retri...

Страница 66: ...se by the disk drive CONTROLLER CARD An adapter holding the control electronics for one or more hard disks usually installed in a slot in the computer CPU Acronym for Central Processing Unit The microprocessor chip that performs the bulk of data processing in a computer CRC Acronym for Cyclic Redundancy Check An error detection code that is recorded within each sector and is used to see whether pa...

Страница 67: ...tored on the outer edge of a disk that tells the operating system which sectors are allocated to each file and in what order FCI Acronym for flux changes per inch See also BPI FILE SERVER A computer that provides network stations with controlled access to shareable resources The network operating system is loaded on the file server and most shareable devices disk subsystems printers are attached t...

Страница 68: ... the outer track track 0 HOST ADAPTER A plug in board that forms the interface between a particular type of computer system bus and the disk drive I INITIALIZE See low level formatting INITIATOR A SCSI device that requests another SCSI device to perform an operation A common example of this is a system requesting data from a drive The system is the initiator and the drive is the target INTERFACE A...

Страница 69: ...el formatting already done LOW PROFILE Describes drives built to the 3 1 2 inch form factor which are only 1 inch high M MB See megabyte MEDIA The magnetic film that is deposited or coated on an aluminum substrate which is very flat and in the shape of a disk The media is overcoated with a lubricant to prevent damage to the heads or media during head take off and landing The media is where the dat...

Страница 70: ...other rigid material that is mounted inside a fixed disk drive Most drives use more than one platter mounted on a single spindle shaft to provide more data storage surfaces in a small package The platter is coated with a magnetic material that is used to store data as transitions of magnetic polarity POH Acronym for power on hours The unit of measurement for Mean Time Between Failure as expressed ...

Страница 71: ... the disk or the data that is stored in that section Hard disks most often have sectors that are 512 data bytes long plus several bytes overhead for error correcting codes Each sector is preceded by ID data known as a header which cannot be overwritten SEEK A movement of the disk read write head in or out to a specific track SERVO DATA Magnetic markings written on the media that guide the read wri...

Страница 72: ...head head switches and seeks U UNFORMATTED CAPACITY The total number of bytes of data that could be fit onto a disk Formatting the disk requires some of this space to record location boundary definitions and timing information After formatting user data can be stored on the remaining disk space known as formatted capacity The size of a Maxtor drive is expressed in formatted capacity V VOICE COIL A...

Страница 73: ...bus interface connector 3 11 3 16 input power connections 3 11 3 14 interface IDE bus 5 1 J jumper configurations 3 6 jumper locations 3 5 jumper options 3 6 M maximum screw torque 3 18 mechanical dimensions 3 1 motherboard 3 20 mounting 3 17 mounting dimensions 3 17 mounting holes 3 17 mounting screw clearance 3 18 mounting screws 3 18 MS DOS 3 26 P packing assembly 3 2 packing materials 3 2 powe...

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