Maxtor DIAMONDMAXTM PLUS 5120 90750D3 Product Manual

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[Page 1] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

HARD DRIVE P RODUCT MANUAL DiamondMax ™ Plus 5120 92048D8, 91792D7, 91536D6 91280D5, 91024D4, 90750D3 ...

[Page 2] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

DiamondMax™ Plus 5120 92048D8, 91792D7, 91536D6, 91280D5, 91024D4 and 90750D3 All material contained herein Copyright © 1999 Maxtor Corporation. DiamondMax™, DiamondMax™ 4320, DiamondMax™ Plus 2500, DiamondMax™ Plus 5120 and MaxFax™ are ...

[Page 3] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

Revisions Manual No. 1410 VER.ONCENOITCESNOITPIRCSED ETAD AC75397llA.esaelerlaitinI 99/02/30 ...

[Page 4] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

Before You Begin Thank you for your interest in the Maxtor DiamondMax™ Plus 5120 AT hard disk drives. This manual provides technical information for OEM engineers and systems integrators regarding the installation and use of DiamondMax hard drives...

[Page 5] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

DIAMONDMAX PLUS 5120 PRODUCT MANUAL i Contents Section 1 — Introduction Maxtor Corporation 1 - 1 Products 1 - 1 Support 1 - 1 Manual Organization 1 - 1 Abbreviations 1 - 1 Conventions 1 - 2 Key Words 1 - 2 Numbering 1 - 2 Signal Conventions 1 - 2 S...

[Page 6] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

DIAMONDMAX PLUS 5120 PRODUCT MANUAL ii Section 3 — Product Specifications Models and Capacities 3 - 1 Drive Configuration 3 - 1 Performance Specifications 3 - 1 Physical Dimensions 3 - 2 Power Requirements 3 - 3 Power Mode Definitions 3 - 3 Spin-...

[Page 7] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

DIAMONDMAX PLUS 5120 PRODUCT MANUAL iii Ultra Direct Memory Access (UDMA) 4 - 5 OS Requirements for Large Capacity Hard Drives 4 - 5 Hard Drive Identification 4 - 6 Identifying IDE Devices on the Interface 4 - 6 Jumper Settings 4 - 6 Systems Using C...

[Page 8] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

DIAMONDMAX PLUS 5120 PRODUCT MANUAL iv Device Control Register 6 - 5 Digital Input Register 6 - 5 Reset and Interrupt Handling 6 - 6 Section 7 — Interface Commands Command Summary 7 - 1 Read Commands 7 - 2 Read Sector(s) 7 - 2 Read Verify Sector(s...

[Page 9] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

DIAMONDMAX PLUS 5120 PRODUCT MANUAL v Figures Figure Title Page 2 - 1 PCBA Jumper Location and Configuration 2 - 6 3 - 1 Outline and Mounting Dimensions 3 - 2 4 - 1 Multi-pack Shipping Container 4 - 2 4 - 2 Single-pack Shipping Container (Option A...

[Page 10] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

DIAMONDMAX PLUS 5120 – INTRODUCTION 1 – 9 SECTION 1 Introduction Maxtor Corporation Maxtor Corporation has been providing high-quality computer storage products since 1982. Along the way, we’ve seen many changes in data storage needs. Not long ...

[Page 11] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

DIAMONDMAX PLUS 5120 – INTRODUCTION 1 – 10 Conventions If there is a conflict between text and tables, the table shall be accepted as being correct. Key Words The names of abbreviations, commands, fields and acronyms used as signal names are in a...

[Page 12] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

PRODUCT DESCRIPTION 2 – 1 SECTION 2 Product Description Maxtor DiamondMax™ Plus 5120 AT disk drives are 1-inch high, 3.5-inch diameter random access storage devices which incorporate an on-board ATA-4/Ultra DMA controller. High capacity is achiev...

[Page 13] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

PRODUCT DESCRIPTION 2 – 2 Product Features Functional / Interface Maxtor DiamondMax™ Plus 5120 hard drives contain all necessary mechanical and electronic parts to interpret control signals and commands from an AT-compatible host computer. See Se...

[Page 14] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

PRODUCT DESCRIPTION 2 – 3 Logical Block Addressing The Logical Block Address (LBA) mode can only be utilized in systems that support this form of translation. The cylinder, head and sector geometry of the drive, as presented to the host, differs fr...

[Page 15] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

PRODUCT DESCRIPTION 2 – 4 Cache Management Buffer Segmentation The data buffer is organized into two segments: the data buffer and the micro controller scratch pad. The data buffer is dynamically allocated for read and write data depending on the c...

[Page 16] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

PRODUCT DESCRIPTION 2 – 5 Major HDA Components Drive Mechanism A brush-less DC direct drive motor rotates the spindle at 7,200 RPM (±0.1%). The dynamically balanced motor/spindle assembly ensures minimal mechanical run-out to the disks. A dynamic ...

[Page 17] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

PRODUCT DESCRIPTION 2 – 6 NOITARUGIFNOCREPMUJ05J84J64J44J24J evalS/retsaM *metsysevirdelgnisnievirdylnO *metsysevirdlaudnievirdretsaM metsysevirdlaudnievirdevalS C C O tceleSelbaC *delbasiD delbanE O C noitatimiLrednilyC2904 *delbasiD delbanE O C d...

[Page 18] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

PRODUCT SPECIFICATIONS 3 – 1 SECTION 3 Product Specifications Models and Capacities Performance Specifications LEDOM8D840297D297196D635195D082194D420193D05709 ecafretnI/rellortnoCdetargetnI AMDartlU/4-ATA dohteMgnidocnE 71/61LLR4RPE evaelretnI1:1 m...

[Page 19] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

PRODUCT SPECIFICATIONS 3 – 2 Physical Dimensions 1.028 max [25.9 mm] .25 ± .01 1.122 ± .02 [28.4 mm] 1.638 ± .005 [41.61 mm] 1.625 ± .02 4.000 ± .01 [101.6 mm] 1.75 ± .02 5.787 max [146.6 mm] 6 x 6-32 UNC Tap 4 x 6-32 UNC Tap 4.00 ± .01 [102...

[Page 20] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

PRODUCT SPECIFICATIONS 3 – 3 Power Requirements Power Mode Definitions Spin-up The drive is spinning up following initial application of power and has not yet reached full speed. Seek A random access operation by the disk drive. Read/Write Data is ...

[Page 21] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

PRODUCT SPECIFICATIONS 3 – 4 Reliability Specifications Annual Return Rate < 1.5% Annual Return Rate (ARR) indicates the average against products shipped. ARR includes all reasons for returns (failures, handling damage, NDF), but does not includ...

[Page 22] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

PRODUCT SPECIFICATIONS 3 – 5 EMC/EMI 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 1...

[Page 23] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INSTALLATION 4 – 12 SECTION 4 Handling and Installation Pre-formatted Drive This Maxtor hard drive has been formatted at the factory. Do not use a low-level formatting program. Important Notice There are a number of system BIOS’s currently in use...

[Page 24] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INSTALLATION 4 – 13 Unpacking and Inspection Retain any packing material for reuse. Inspect the shipping container for evidence of damage in transit. Notify the carrier immediately in case of damage to the shipping container. As they are removed, i...

[Page 25] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INSTALLATION 4 – 14 Figure 4 - 2 Single Pack Shipping Container (Option A) Figure 4 - 3 Single Pack Shipping Container (Option B) Repacking If a Maxtor drive requires return, repack it using Maxtor packing materials, including the antistatic bag. P...

[Page 26] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INSTALLATION 4 – 15 1 Before You Begin IMPORTANT – PLEASE READ! Please read this Installation Sheet completely before installing the Maxtor hard drive. It gives general information for installing a Maxtor hard drive in a typical computer system. ...

[Page 27] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INSTALLATION 4 – 16 3 Hard Drive Identification IDE stands for Integrated Drive Electronics and EIDE is Enhanced IDE. The IDE or EIDE interface is designed to support two devices – typically hard drives – on a single ribbon cable through one 40...

[Page 28] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INSTALLATION 4 – 17 4 Mounting Drive in System Turn the computer OFF, disconnect the power cord and remove the cover. Refer to the computer user’s manual for information on removing the cover. Each system manufacturer uses different types of case...

[Page 29] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INSTALLATION 4 – 18 5 Attaching Interface and Power Cables In order for the computer to recognize that the Maxtor hard drive is in the system, the power cable and IDE interface cable must be properly connected. 1 Attach an available IDE interface c...

[Page 30] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INSTALLATION 4 – 19 7 System Setup The following procedures are designed for systems using the DOS 5.0 (or higher), Windows 95 and Windows 98 operating systems. For other operating systems (e.g., Windows NT, OS2, UNIX, LINUX and Novell NetWare), ...

[Page 31] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INSTALLATION 4 – 20 Set the Cylinder, Head and Sector values with the values listed on the drive label. The drive label is located on the top cover of the drive. The fields LZone (Landing Zone) and WPcom (Write Pre-comp) are not used by the Maxtor ...

[Page 32] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INSTALLATION 4 – 21 3 If the BIOS was set to AUTO DETECT, follow the instructions in Section 7 to prepare the hard drive using the MaxBlast installation software. If other BIOS settings were used, access the system BIOS SETUP program and set the pa...

[Page 33] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

AT INTERFACE DESCRIPTION 5 – 22 SECTION 5 AT Interface Description Interface Connector All DiamondMax™ Plus 5120 AT drives have a 40-pin ATA interface connector mounted on the PCBA. The drive may connect directly to the host; or it can also accom...

[Page 34] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

AT INTERFACE DESCRIPTION 5 – 23 Pin Description Table PIN NAME PIN I/O SIGNAL NAME SIGNAL DESCRIPTION RESET - 01 I Host Reset Reset signal from the host system. Active during power up and inactive after. DD0 17 I/O Host Data Bus 16 bit bi-direction...

[Page 35] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

AT INTERFACE DESCRIPTION 5 – 24 TIMING PARAMETERS MODE 0 MODE 1 MODE 2 MODE 3 MODE 4 t0 Cycle Time (min) 600 ns 383 ns 240 ns 180 ns 120 ns t1 Address valid to DIOR-/DIOW- setup (min) 70 ns 50 ns 30 ns 30 ns 25 ns t2 DIOR-/DIOW- 16-bit (min) 165 ns...

[Page 36] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

AT INTERFACE DESCRIPTION 5 – 25 DMA Timing TIMING PARAMETERS MODE 0 MODE 1 MODE 2 t0 Cycle Time (min) 480 ns 150 ns 120 ns tC DMACK to DMARQ delay tD DIOR-/DIOW- (min) 215 ns 80 ns 70 ns tE DIOR- data access (min) 150 ns 60 ns tF DIOR- data hold (m...

[Page 37] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

AT INTERFACE DESCRIPTION 5 – 26 Ultra DMA Timing TIMING PARAMETERS (all times in nanoseconds) MODE 0 MODE 1 MODE 2 MIN MAX MIN MAX MIN MAX t CYC Cycle Time (from STROBE edge to STROBE edge) 114 75 55 t2 CYC Two cycle time (from rising edge to next ...

[Page 38] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

AT INTERFACE DESCRIPTION 5 – 27 Figure 5 - 5 Sustained Ultra DMA Data In Burst t DVH DSTROBE at device DD(15:0) at device DSTROBE at host DD(15:0) at host t DVH t CYC t CYC t DVS t DVS t DH t DS t DH t DS t 2CYC t DH t DVH t 2CYC DMARQ (device) D...

[Page 39] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

AT INTERFACE DESCRIPTION 5 – 28 t AZ t IORDYZ CRC DMARQ (device) DMACK- (host) STOP (host) HDMARDY- (host) DSTROBE (device) DD(15:0) DA0, DA1, DA2, CS0-, CS1- t ACK t LI t MLI t DVS t LI t ACK t ACK t ZAH t DVH t SS t LI Figure 5 - 7 Device Ter...

[Page 40] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

AT INTERFACE DESCRIPTION 5 – 29 t DH t DS t DVH HSTROBE at host DD(15:0) at host HSTROBE at device DD(15:0) at device t DVH t CYC t CYC t DVS t DVS t DS t DH t 2CYC t DH t DVH t 2CYC DMARQ (device) DMACK- (host) STOP (host) DDMARDY- (device) HSTR...

[Page 41] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

AT INTERFACE DESCRIPTION 5 – 30 DMARQ (device) DMACK- (host) STOP (host) DDMARDY- (device) HSTROBE (host) DD(15:0) (host) t SR t RFS t RP Figure 5 - 11 Device Pausing an Ultra DMA Data Out Burst DMARQ (device) DMACK- (host) STOP (host) DDMARDY- (...

[Page 42] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

AT INTERFACE DESCRIPTION 5 – 31 DMARQ (device) DMACK- (host) STOP (host) DDMARDY- (device) HSTROBE (host) DD(15:0) (host) DA0, DA1, DA2, CS0-, CS1- t ACK t MLI t DVS t LI t LI t ACK CRC t DVH t ACK t IORDYZ t MLI t RP t RFS Figure 5 - 13 Devi...

[Page 43] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

HOST SOFTWARE INTERFACE 6 – 1 SECTION 6 Host Software Interface The host communicates with the drive through a set of controller registers accessed via the host’s I/O ports. These registers divide into two groups: the Task File, used for passing ...

[Page 44] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

HOST SOFTWARE INTERFACE 6 – 2 Sector Count Register Holds the number of sectors to be sent during a Read or Write command, and the number of sectors per track during a Format command. A value of zero in this register implies a transfer of 256 secto...

[Page 45] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

HOST SOFTWARE INTERFACE 6 – 3 Command Register Contains code for the command to be performed. Additional command information should be written to the task file before the Command register is loaded. When this register is written, the BUSY bit in th...

[Page 46] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

HOST SOFTWARE INTERFACE 6 – 4 COMMAND NAME COMMAND CODE PARAMETERS USED b7 b6 b5 b4 b3 b2 b1 b0 F SC SN C SDH Recalibrate 0 0 0 1 x x x x N N N N D Read Sector(s) 0 0 1 0 0 0 L x N Y Y Y ...

[Page 47] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

HOST SOFTWARE INTERFACE 6 – 5 Control Diagnostic Registers These I/O port addresses reference three Control/Diagnostic registers: I/O PORT READ WRITE 3F6h Alternate Status Fixed Disk Control 3F7h Digital Input Not used Alternate Status Register C...

[Page 48] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

HOST SOFTWARE INTERFACE 6 – 6 Reset and Interrupt Handling Reset Handling One of three different conditions may cause a reset: power on, hardware reset or software reset. All three cause the interface processor to initialize itself and the Task Fil...

[Page 49] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INTERFACE COMMANDS 7 – 1 SECTION 7 Interface Commands The following section describes the commands (and any parameters necessary to execute them), as well as Status and Error register bits affected. Read Commands Read Sector(s) Read Verify Sector(s...

[Page 50] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INTERFACE COMMANDS 7 – 2 Read Commands Read Sector(s) Reads from 1 to 256 sectors, as specified in the Command Block, beginning at the specified sector. (A sector count of 0 requests 256 sectors.) Immediately after the Command register is written, ...

[Page 51] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INTERFACE COMMANDS 7 – 3 Read DMA Multi-word DMA Identical to the Read Sector(s) command, except that 1. The host initializes a slave-DMA channel prior to issuing the command, 2. Data transfers are qualified by DMARQ and are performed by the slave-...

[Page 52] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INTERFACE COMMANDS 7 – 4 Set Multiple Mode Enables the controller to perform Read and Write Multiple operations, and establishes the block count for these commands. Before issuing this command, the Sector Count register should be loaded with the nu...

[Page 53] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INTERFACE COMMANDS 7 – 5 Write Multiple Performs similarly to the Write Sector(s) command, except that: 1. The controller sets BSY immediately upon receipt of the command, 2. Data transfers are multiple sector blocks and 3. The Long bit and Retry b...

[Page 54] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INTERFACE COMMANDS 7 – 6 Set Feature Commands Set Features Mode Enables or disables features supported by the drive. When the drive receives this command it: 1. Sets BSY, 2. Checks the contents of the Features register, 3. Clears BSY and 4. Generat...

[Page 55] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INTERFACE COMMANDS 7 – 7 Power Mode Commands Standby Immediate – 94h/E0h Spin down and do not change time out value. This command will spin the drive down and cause the drive to enter the STANDBY MODE immediately. If the drive is already spun dow...

[Page 56] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INTERFACE COMMANDS 7 – 8 When enabling the Automatic Power Down sequence, the value placed in the Sector Count register is multiplied by five seconds to obtain the Time-out Interval value. If no drive commands are received from the host within the ...

[Page 57] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INTERFACE COMMANDS 7 – 9 Initialization Commands Identify Drive Allows the host to receive parameter information from the drive. When the command is received, the drive: 1. Sets BSY, 2. Stores the required parameter information in the sector buffer...

[Page 58] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INTERFACE COMMANDS 7 – 10 WORD CONTENT DESCRIPTION 50 Reserved 51 15-8 = PIO data transfer mode 7-0 = not used 52 15-8 = DMA data transfer mode 7-0 = not used 53 15 = reserved 2, 1 = the fields supported in words 88 are valid, 0 = the fields suppor...

[Page 59] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INTERFACE COMMANDS 7 – 11 WORD CONTENT DESCRIPTION 83 Command sets supported. If words 82, 83 and 84 = 0000h or FFFFh command set notification not supported. 15 = shall be cleared to zero 14 = shall be set to one 13-1 = reserved 0, 1 = supports Dow...

[Page 60] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INTERFACE COMMANDS 7 – 12 Initialize Drive Parameters Enables the drive to operate as any logical drive type. The drive will always be in the translate mode because of Zone Density Recording, which varies the number of sectors per track depending o...

[Page 61] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INTERFACE COMMANDS 7 – 13 Seek, Format and Diagnostic Commands Seek Initiates a seek to the track, and selects the head specified in the Command block. 1. Sets BSY in the Status register, 2. Initiates the Seek, 3. Resets BSY and 4. Generates an int...

[Page 62] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

INTERFACE COMMANDS 7 – 14 S.M.A.R.T. Command Set Execute S.M.A.R.T. The Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.) command has been implemented to improve the data integrity and data availability of hard disk drives. In some cas...

[Page 63] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

SERVICE AND SUPPORT 8 – 1 SECTION 8 Service and Support Service Policy Repairs to any DiamondMax™ Plus 5120 drive should be made only at an authorized Maxtor repair facility. Any unauthorized repairs or adjustments to the drive void the warranty....

[Page 64] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

SERVICE AND SUPPORT 8 – 2 MaxFax ™ Service Use a touch-tone phone to order Technical Reference Sheets, Drive Specifications, Installation Sheets and other documents from our 24-hour automated fax retrieval system. Requested items are sent to you...

[Page 65] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

GLOSSARY GL – 1 GLOSSARY Glossary A ACCESS To obtain data from, or place data into, RAM, a register, or data storage device. ACCESS TIME The interval between the issuing of an access command and the instant that the target data may be read or writt...

[Page 66] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

GLOSSARY GL – 2 CYLINDER On several disk surfaces sharing a common rotational axis, the aggregate of tracks at a given radial position. A set of disk tracks that are simultaneously under the set of read/ write heads. This three-dimensional storage ...

[Page 67] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

GLOSSARY GL – 3 FILE ALLOCATION TABLE (FAT) Allocates space on the disk for files, one cluster at a time; locks out unusable clusters; identifies unused (free) area; and lists a file’s location. With two FAT’s present, the second copy ensures c...

[Page 68] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

GLOSSARY GL – 4 LOGICAL ADDRESS A storage location address that may not relate directly to a physical location. Usually used to request information from a controller, which performs a logical to physical address conversion, and in turn, retrieves t...

[Page 69] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

GLOSSARY GL – 5 R RANDOM ACCESS MEMORY (RAM) Memory designed so that any storage location can be accessed randomly, directly and individually. This is contrasted to sequential access devices such as tape drives. READ To access a storage location an...

[Page 70] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

GLOSSARY GL – 6 T THIN-FILM HEAD A magnetic transducer manufactured by deposition of magnetic and electrical materials on a base material contrasted with prior art mechanical methods. Read/write heads whose read/write element is deposited using int...

[Page 71] Maxtor DIAMONDMAXTM PLUS 5120 90750D3

M AXTOR C ORPORATION 510 COTTONWOOD D RIVE M ILPITAS,CALIFORNIA 95035 ...