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PRODUCT SPECIFICATIONS

3 – 1

SECTION 3

Product Specifications

Models and Capacities

Performance Specifications

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Summary of Contents for 4320

Page 1: ...HARD DRIVE PRODUCT MANUAL DiamondMax 4320 91728D8 91512D7 91303D6 91080D5 90845D4 90648D3 90432D2 ...

Page 2: ... Maxtor Corporation No Quibble Service is a registered trademark of Maxtor Corporation Other brands or products are trademarks or registered trademarks of their respective holders Contents and specifications subject to change without notice All rights reserved Corporate Headquarters 510 Cottonwood Drive Milpitas California 95035 Tel 408 432 1700 Fax 408 432 4510 Research and Development Engineerin...

Page 3: ...Revisions Manual No 1407 ...

Page 4: ...d to product failure damage and invalidation of all warranties 1 BEFOREunpackingorhandlingadrive takeallproperelectro staticdischarge ESD precautions includingpersonnelandequipmentgrounding Stand alonedrivesaresensitiveto ESDdamage 2 BEFOREremovingdrivesfromtheirpackingmaterial allowthemtoreachroom temperature 3 Duringhandling NEVERdrop jar orbumpadrive 4 OnceadriveisremovedfromtheMaxtorshippingco...

Page 5: ...r Address Translation 2 2 Logical Block Addressing 2 3 Defect Management Zone 2 3 On the Fly Hardware Error Correction Code ECC 2 3 Software ECC Correction 2 3 Automatic Head Park and Lock Operation 2 3 Cache Management 2 4 Buffer Segmentation 2 4 Read Ahead Mode 2 4 Automatic Write Reallocation AWR 2 4 Write Cache Stacking 2 4 Major HDA Components 2 5 Drive Mechanism 2 5 Rotary Actuator 2 5 Read ...

Page 6: ... Rate 3 4 Start Stop Cycles 3 4 Data Reliability 3 4 Component Design Life 3 4 EMC EMI 3 5 EMC Compliance 3 5 Canadian Emissions Statement 3 5 Safety Regulatory Compliance 3 5 Section 4 Handling and Installation Pre formatted Drive 4 1 Important Notice 4 1 Hard Drive Handling Precautions 4 1 Electro Static Discharge ESD 4 1 Unpacking and Inspection 4 2 Repacking 4 3 Physical Installation 4 3 Befor...

Page 7: ...10 System Hangs During Boot 4 12 Section 5 AT Interface Description Interface Connector 5 1 Pin Description Summary 5 1 Pin Description Table 5 2 PIO Timing 5 3 DMA Timing 5 4 Ultra DMA Timing Parameters 5 5 Section 6 Host Software Interface Task File Registers 6 1 Data Register 6 1 Error Register 6 1 Features Register 6 1 Sector Count Register 6 2 Sector Number Register 6 2 Cylinder Number Regist...

Page 8: ... s 7 4 Write Verify Sector s 7 4 Write Sector Buffer 7 4 Write DMA 7 5 Write Multiple 7 5 Ultra DMA 7 5 Set Feature Commands 7 5 Set Features Mode 7 5 Power Mode Commands 7 7 Standby Immediate 7 7 Idle Immediate 7 7 Standby 7 7 Idle 7 7 Check Power Mode 7 7 Set Sleep Mode 7 7 Default Power on Condition 7 7 Initialization Commands 7 9 Identify Drive 7 9 Initialize Drive Parameters 7 12 Seek Format ...

Page 9: ...ave and Cable Select Settings 4 10 5 1 Data Connector 5 1 5 2 PIO Data Transfer to from Device 5 3 5 3 Multi word DMA Data Transfer 5 4 5 4 Initiating an Ultra DMA Data In Burst 5 5 5 5 Sustained Ultra DMA Data In Burst 5 6 5 6 Host Pausing an Ultra DMA Data In Burst 5 6 5 7 Device Terminating an Ultra DMA Data In Burst 5 7 5 8 Host Terminating an Ultra DMA Data In Burst 5 7 5 9 Initiating an Ultr...

Page 10: ...nd in the form you prefer a fax a downloaded file or a conversation with a representative Manual Organization This hard disk drive reference manual is organized in the following method Section 1 Introduction Section 2 Description Section 3 Specifications Section 4 Installation Section 5 AT Interface Section 6 Host Software Interface Section 7 Interface Commands Section 8 Service and Support Append...

Page 11: ...are shown in all uppercase type All signals are either high active or low active signals A dash character at the end of a signal name indicates that the signal is low active A low active signal is true when it is below ViL and is false when it is above ViH A signal without a dash at the end indicates that the signal is high active A high active signal is true when it is above ViH and is false when...

Page 12: ...imes make these performance series disk drives especially well suited to high speed desktop and server applications DiamondMax 4320 Key Features ANSI ATA 4 compliant PIO Mode 4 interface Enhanced IDE Supports Ultra DMA Mode 2 for up to 33 MB sec data transfers 256 512 KB buffer with multi adaptive cache manager 9 0 ms seek time Zone density and I D less recording High reliability with 500 000 hour...

Page 13: ...protocol which greatly improves overall AT interface performance by significantly improving burst and sustained data throughput Multi word DMA EISA Type B Mode 2 Supports multi word Direct Memory Access DMA EISA Type B mode transfers Sector Address Translation All DiamondMax 4320 drives feature a universal translate mode In an AT EISA class system the drive may be configured to any specified combi...

Page 14: ...ector values The physical address is then used to access or store the data on the disk and for other drive related operations Defect Management Zone DMZ Each drive model has a fixed number of spare sectors per drive all of which are located at the end of the drive Upon detection of a bad sector that has been reassigned the next sequential sector is used For example if sector 3 is flagged data that...

Page 15: ...sfer begins immediately Automatic Write Reallocation AWR This feature is part of the write cache and reduces the risk of data loss during deferred write operations If a disk error occurs during the disk write process the disk task stops and the suspect sector is reallocated to a pool of alternate sectors located at the end of the drive Following reallocation the disk write task continues until it ...

Page 16: ...es up to eight head selection depending on the model read pre amplification and write drive circuitry Read Write Heads and Media Low mass low force magneto resistive read write heads record data on 3 5 inch diameter disks Maxtor uses a sputtered thin film medium on all disks for DiamondMax 4320 drives Air Filtration System All DiamondMax 4320 drives are assembled in a Class 100 controlled environm...

Page 17: ...l Drive Support Two drives may be accessed via a common interface cable using the same range of I O addresses The drives are jumpered as device 0 or 1 Master Slave and are selected by the drive select bit in the Device Head register of the task file All Task File registers are written in parallel to both drives The interface processor on each drive decides whether a command written to it should be...

Page 18: ... 8 0 5 7 3 3 4 8 3 2 3 5 9 2 2 9 9 0 5 4 5 2 4 2 4 5 9 0 1 2 4 6 0 4 1 5 6 1 8 4 4 6 5 6 2 1 2 9 9 0 4 4 8 L E D O M 8 D 8 2 7 1 9 7 D 2 1 5 1 9 1 9 3 0 3 6 D 5 D 0 8 0 1 9 4 D 5 4 8 0 9 3 D 8 4 6 0 9 2 D 2 3 4 0 9 s e m i T k e e S l a c i p y t k c a r T o t k c a r T s m 9 0 e g a r e v A s m 0 9 m u m i x a M s m 0 2 y c n e t a L e g a r e v A s m 5 5 5 d e e p S l a n o i t a t o R 1 0 M P R...

Page 19: ...UNC Tap 4 x 6 32 UNC Tap 4 00 01 102 1 mm 3 75 01 95 25 mm Figure 3 1 Outline and Mounting Dimensions R E T E M A R A P D R A D N A T S C I R T E M t h g i e H h c n i 2 0 1 s r e t e m i l l i m 9 5 2 h t g n e L s e h c n i 7 7 5 s r e t e m i l l i m 6 6 4 1 h t d i W s e h c n i 2 0 4 s r e t e m i l l i m 1 2 0 1 t h g i e W s d n u o p 3 1 s m a r g o l i k 9 5 0 ...

Page 20: ... goals of the U S Environmental Protection Agency s Energy Star program to reduce the electrical power consumption of computer equipment Environmental Limits R E T E M A R A P G N I T A R E P O E G A R O T S G N I T A R E P O N O N e r u t a r e p m e T C 5 5 o t C 5 C 0 4 e r u t a r e p m e t w o l 3 1 0 5 d o h t e m E 0 1 8 D T S L I M r e p C 1 7 e r u t a r e p m e t h g i h s n o i t i d n ...

Page 21: ... Reliability 1 per 1014 bits read Data errors non recoverable Average data error rate allowed with all error recovery features activated Component Design Life 5 years minimum Component design life is defined as a the time period before identified wear out mechanisms impact the failure rate or b the time period up to the wear out point when useful component life expires Shock and Vibration R E T E ...

Page 22: ...pical personal computer Maxtor recommends that testing and analysis for EMC compliance be performed with the disk mechanism installed within the user s end use application Canadian Emissions Statement This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus as set out in the radio interference regulations of the Canadian department of communication...

Page 23: ...ER connect a live connector to the hard drive s IDE interface connector Electro Static Discharge ESD To avoid some of the problems associated with ESD Maxtor advises that anyone handling a disk drive use a wrist strap with an attached wire connected to an earth ground Failure to observe these precautions voids the product warranty Manufacturers frequently experience unsolved component hardware mal...

Page 24: ...of damage in transit Notify the carrier immediately in case of damage to the shipping container As they are removed inspect drives for evidence of shipping damage or loose hardware If a drive is damaged and no container damage is evident notify Maxtor immediately for drive disposition Figure 4 1 Multi pack Shipping Container ...

Page 25: ...static bag Physical Installation Recommended Mounting Configuration The DiamondMax 4320 drive design allows greater shock tolerance than that afforded by larger heavier drives The drive may be mounted in any attitude using four size 6 32 screws with 1 8 inch maximum penetration and a maximum torque of 5 inch pounds See Figure 3 1 for mounting dimensions Allow adequate ventilation to the drive to e...

Page 26: ...alledonthe Bootdrive Capacity Barriers Due to operating system limitations DOS cannot access the full capacity of drives larger than 8 4 GB The Microsoft Windows 95 operating system or equivalent full installation NOT a Windows 95 upgrade from DOS Windows 3 1 or 3 11 is required to obtain the full capacity of any hard drive larger than 8 4 GB Protecting Your Existing Data Periodicbackupofimportant...

Page 27: ... the Master Slave identification of the device Each manufacturer may have its own jumpering scheme to identify the device as a Master or Slave and its relationship to other IDE devices attached to the same cable Jumper Settings A jumper is a small piece of plastic that slides over a pair of configuration pins on the drive to activate a specific function The jumper illustration below shows three va...

Page 28: ...ter you must determine how the jumpers on the Maxtor hard drive are to be set for your system based upon the use of the Maxtor hard drive as either a Master or Slave device Maxtor hard drives are shipped with the Master jumper setting enabled IMPORTANT If a Maxtor hard drive is being added to a system on the same cable with an existing IDE device it may be necessary to re configure the jumpers on ...

Page 29: ... orientation Do not force the connector 6 Attaching System Cables The computer system the Maxtor hard drive is being installed in will have its own cable placement and connection methods This means that the location of the IDE interface connectors on the mother board and or interface card and the orientation of pin one is determined by the manufacturer Also older systems and interface cards may ha...

Page 30: ...to the system and recorded in the BIOS Most newer BIOS provide the descriptions of Primary Master Primary Slave Secondary Master and Secondary Slave see section 2 which identify the device configuration and location on an IDE interface and its relationship to the other IDE devices on the same interface or ribbon cable Some older BIOS versions do not use this terminology for identification and it m...

Page 31: ...t by the BIOS or MaxBlast The operating system assigns drive letters to all devices as follows 1 to all hard drives and their partitions 2 to all other devices like CD ROM s and tape drives When adding an additional hard drive to the system the drive letters will be automatically changed by the operating system A Preparing the hard drive using the operating system software IMPORTANT Due to operati...

Page 32: ...ystem Hangs During Boot If the system hangs during the boot process after installing the Maxtor hard drive either before or after setting the system BIOS the system many have a BIOS with a cylinder limitation This may occur for hard drives that exceed 2 1 GB If this happens do the following 1 Turn the system OFF 2 Install the cylinder limitation jumper J46 on the drive The figure below shows the M...

Page 33: ...0 t e s e R 2 0 d n u o r G 3 0 7 D D 4 0 8 D D 5 0 6 D D 6 0 9 D D 7 0 5 D D 8 0 0 1 D D 9 0 4 D D 0 1 1 1 D D 1 1 3 D D 2 1 2 1 D D 3 1 2 D D 4 1 3 1 D D 5 1 1 D D 6 1 4 1 D D 7 1 0 D D 8 1 5 1 D D 9 1 d n u o r G 0 2 n i p y e k 1 2 Q R A M D 2 2 d n u o r G 3 2 P O T S W O I D 4 2 d n u o r G 5 2 E B O R T S H Y D R A M D H R O I D 6 2 d n u o r G 7 2 E B O R T S D Y D R A M D D Y D R O I 8 2 ...

Page 34: ... a r t l U g n i r u d e b o r t s a t a D L E S C 8 2 t c e l e S e l b a C m e t s y s t s o h n o g n i l b a c l a i c e p s s e r i u q e R e l b a c a i v n o i t c e l e s e v a l S r e t s a M r o f d e s U r e p m u j t c e l e S e l b a C f o n o i t a l l a t s n i d n a K C A M D 9 2 I e g d e l w o n k c A A M D e h t l a n g i s s i h t g n i t r e s s a y B s r e f s n a r t A M D r...

Page 35: ... s n 0 2 4 t n i m d l o h a t a d W O I D s n 0 3 s n 0 2 s n 5 1 s n 0 1 s n 0 1 5 t n i m p u t e s a t a d R O I D s n 0 5 s n 5 3 s n 0 2 s n 0 2 s n 0 2 6 t n i m d l o h a t a d W O I D s n 5 s n 5 s n 5 s n 5 s n 5 Z 6 t x a m e t a t s i r t a t a d R O I D s n 0 3 s n 0 3 s n 0 3 s n 0 3 s n 0 3 9 t n i m d l o h d i l a v s s e r d d a o t W O I D R O I D s n 0 2 s n 5 1 s n 0 1 s n 0 1...

Page 36: ... 0 0 1 s n 0 3 s n 0 2 H t n i m d l o h a t a d W O I D s n 0 2 s n 5 1 s n 0 1 I t n i m p u t e s W O I D R O I D o t K C A M D 0 0 0 J t n i m d l o h K C A M D o t W O I D R O I D s n 0 2 s n 5 s n 5 r K t n i m h t d i w e s l u p d e t a g e n R O I D s n 0 5 s n 0 5 s n 5 2 w K t n i m h t d i w e s l u p d e t a g e n W O I D s n 5 1 2 s n 0 5 s n 5 2 r L t x a m y a l e d Q R A M D o t R...

Page 37: ... l l a e m i t m u m i x a M 0 1 0 1 0 1 t H A Z n o g n i n r u t s r e v i r d t u p t u o r o f d e r i u q e r e m i t y a l e d m u m i n i M e t a t s d e s a e l e r m o r f 0 2 0 2 0 2 t D A Z 0 0 0 t V N E e m i t e p o l e v n E e h t n i h t i w e r a s n o i t i s n a r t l a n g i s l o r t n o c l l a e m i t h c u m s i h t y b e p o l e v n e K C A M D 0 2 0 7 0 2 0 7 0 2 0 7 t R S...

Page 38: ...DVH DSTROBE at device DD 15 0 at device DSTROBE at host DD 15 0 at host tDVH tCYC tCYC tDVS tDVS tDH tDS tDH tDS t2CYC tDH tDVH t2CYC DMARQ device DMACK host STOP host HDMARDY host DSTROBE device DD 15 0 device tSR tRFS tRP Figure 5 6 Host Pausing an Ultra DMA Data In Burst ...

Page 39: ... CS1 tACK tLI tMLI tDVS tLI tACK tACK tZAH tDVH tSS tLI Figure 5 7 Device Terminating an Ultra DMA Data In Burst tDVH CRC tAZ DMARQ device DMACK host STOP host HDMARDY host DSTROBE device DD 15 0 DA0 DA1 DA2 CS0 CS1 tACK tMLI tLI tLI tIORDYZ tACK tACK tZAH tMLI tDVS tRFS tRP Figure 5 8 Host Terminating an Ultra DMA Data In Burst ...

Page 40: ...device tDVH tCYC tCYC tDVS tDVS tDS tDH t2CYC tDH tDVH t2CYC DMARQ device DMACK host STOP host DDMARDY device HSTROBE host DD 15 0 host DA0 DA1 DA2 CS0 CS1 tUI tACK tENV tZIORDY tLI tDVS tDVH tACK tACK tUI Figure 5 9 Initiating an Ultra DMA Data Out Burst Figure 5 10 Sustained Ultra DMA Data Out Burst ...

Page 41: ...DD 15 0 host tSR tRFS tRP Figure 5 11 Device Pausing an Ultra DMA Data Out Burst DMARQ device DMACK host STOP host DDMARDY device HSTROBE host DD 15 0 host DA0 DA1 DA2 CS0 CS1 tACK tLI tMLI tDVS tLI tLI tACK tIORDYZ tACK CRC tDVH tSS Figure 5 12 Host Terminating an Ultra DMA Data Out Burst ...

Page 42: ... 5 10 DMARQ device DMACK host STOP host DDMARDY device HSTROBE host DD 15 0 host DA0 DA1 DA2 CS0 CS1 tACK tMLI tDVS tLI tLI tACK CRC tDVH tACK tIORDYZ tMLI tRP tRFS Figure 5 13 Device Terminating an Ultra DMA Data Out Burst ...

Page 43: ...ific information regarding the previous command Data interpretation differs depending on whether the controller is in operational or diagnostic mode A power up reset software reset or receipt of a diagnostic command sets the controller into diagnostic mode This mode invalidates contents of the Status register The contents of the Error register reflect a completion code Issuing any command apart fr...

Page 44: ...slate command S T N E T N O C S T I B A B L r e b m u N r o t c e S 7 0 w o L r e d n i l y C 5 1 8 h g i H r e d n i l y C 3 2 6 1 d a e H e v i r D 7 2 4 2 Drive Select Set to 0 to select the master drive set to 1 to select the slave drive Head Select Specifies the binary coded address of the head to be selected Status Register Contains results of the last command executed and the drive s status...

Page 45: ...iple C4h Read DMA C8h C9h No retries Write Commands Write Sector s 30h Normal writes retries enabled 31h Normal writes retries disabled 32h Write Long retries enabled 33h Write Long retries disabled Write Verify Sector s 3Ch Write Sector Buffer E8h Write Multiple C5h Write DMA CAh CBh No retries Mode Set Check Commands Set Features EFh Set Multiple Mode C6h Power Mode Commands Standby Immediate 94...

Page 46: ... i D e t u c e x E 1 0 0 1 0 0 0 0 N N N N D s r e t e m a r a P e z i l a i t i n I 1 0 0 1 0 0 0 1 N Y N N Y r e f f u B r o t c e S d a e R 1 1 1 0 0 1 0 0 N N N N D r e f f u B r o t c e S e t i r W 1 1 1 0 1 0 0 0 N N N N D e v i r D y f i t n e d I 1 1 1 0 1 1 0 0 N N N N D s e r u t a e F t e S 1 1 1 0 1 1 1 1 Y N N N D e l p i t l u M d a e R 1 1 0 0 0 1 0 0 N Y Y Y Y e l p i t l u M e t i...

Page 47: ...active for a minimum of 5 µsec IRQ Enable Setting the Interrupt Request Enable to 0 enables the IRQ 14 signal to the host When this bit is set to 1 IRQ14 is tri stated and interrupts to the host are disabled Any pending interrupt occurs when the bit is set to 0 The default state of this bit after power up is 0 interrupt enabled Digital Input Register Contains information about the state of the dri...

Page 48: ...t clears and the drive completes initialization Completion of a reset operation does not generate a host interrupt Task File registers are initialized as follows Error 1 Sector Count 1 Sector Number 1 Cylinder Low 0 Cylinder High 0 Drive Head 0 Interrupt Handling The drive requests data transfers to and from the host by asserting its IRQ 14 signal This signal interrupts the host if enabled by bit ...

Page 49: ...or s Read Sector Buffer Read DMA Multi word DMA Ultra DMA Read Multiple Set Multiple Write Commands Write Sector s Write Verify Sector s Write Sector Buffer Write DMA Multi word DMA Ultra DMA Write Multiple Set Feature Commands Set Features Mode Power Mode Commands Standby Immediate Idle Immediate Standby Idle Check Power Mode Set Sleep Mode Default Power on Condition Initialization Commands Ident...

Page 50: ...contain the numbers of the cylinder head and sector of the last sector read Back to back sector read commands set DRQ and generate an interrupt when the sector buffer is filled at the completion of each sector The drive is then ready for the data to be read by the host DRQ is reset and BSY is set immediately when the host empties the sector buffer If an error occurs during Read Sector commands the...

Page 51: ...CTOR S command except that 1 Several sectors are transferred to the host as a block without intervening interrupts 2 DRQ qualification of the transfer is required only at the start of each block not of each sector The block count consists of the number of sectors to be transferred as a block The block count is programmed by the Set Multiple Mode command which must be executed prior to the Read Mul...

Page 52: ...mber of the last sector written The next time the buffer is ready to be filled during back to back Write Sector commands DRQ is set and an interrupt is generated After the host fills the buffer DRQ is reset and BSY is set If an error occurs Write Sector operations terminate at the sector containing the error The Command Block registers then contain the numbers of the cylinder head and sector where...

Page 53: ...commands report after the attempted disk write of the block or partial block in which the error occurred The write operation ends with the sector in error even if it was in the middle of a block When an error occurs subsequent blocks are not transferred When DRQ is set at the beginning of each full and partial block interrupts are generated Write DMA Multi word DMA Identical to the Write Sector s ...

Page 54: ...o t c e S n i e u l a v n o d e s a b e d o m r e f s n a r t t e S h 4 4 e h t n i d e i f i c e p s s d n a m m o c g n o L e t i r W g n o L d a e R n o d e d n e p p a a t a d f o h t g n e L n o i t a m r o f n i e c i v e D y f i t n e d I h 5 5 e r u t a e f d a e h a k o o l d a e r e l b a s i D h 6 6 s t l u a f e d n o r e w o p o t g n i t r e v e r e l b a s i D h 2 8 e h c a c e t i ...

Page 55: ...uence is not executed A non zero value placed in the Sector Count register will enable the Automatic Power Down sequence and their timer will begin counting down immediately A value of zero placed in the Sector Count register will disable the Automatic Power Down sequence The actuator is parked and some circuits are powered off Check Power Mode 98h E5h This command returns a code in the Sector Cou...

Page 56: ...2 3 5 2 0 1 d o i r e p e u q i n u r o d n e V s r u o h 4 5 2 d e v r e s e R 5 5 2 s d n o c e s 5 1 s e t u n i m 1 2 While the drive is in STANDBY MODE any commands received from the host are accepted and executed as they would in normal operation except that the spin motor is started if required to execute a disk command Under these conditions the drive will set BSY when command processing w...

Page 57: ...N 9 7 d e s u t o N 9 1 0 1 s r e t c a r a h c I I C S A 0 4 r e b m u n l a i r e s e v i r D 0 2 d e s u t o N 1 2 d e i f i c e p s t o n h 0 0 0 0 s t n e m e r c n i e t y b 2 1 5 n i e z i s r e f f u B 2 2 s d n a m m o c g n o L e t i r W d a e R n o e l b a l i a v a s e t y b c i f i c e p s r o t x a M f o r e b m u N 6 2 3 2 s r e t c a r a h c I I C S A 8 n o i s i v e r e r a w m r ...

Page 58: ... n a r t A M D d r o w i t l u m m u m i n i M 6 6 s d n o c e s o n a n n i e m i t e l c y c 0 5 1 e m i t e l c y c r e f s n a r t A M D d r o w i t l u m d e d e m m o c e r s r e r u t c a f u n a M 7 6 s d n o c e s o n a n n i e m i t e l c y c 0 5 1 l o r t n o c w o l f t u o h t i w e m i t e l c y c r e f s n a r t O I P m u m i n i M 8 6 s d n o c e s o n a n n i e m i t e l c y c 0 5...

Page 59: ... a v o m e R 1 2 d e l b a n e t e s e r u t a e f y t i r u c e S 1 1 d e l b a n e t e s e r u t a e f T R A M S 1 0 6 8 t o n n o i t a c i f i t o n t e s d n a m m o c h F F F F r o h 0 0 0 0 7 8 d n a 6 8 5 8 s d r o w f I d e l b a n e s t e s d n a m m o C d e t r o p p u s o r e z o t d e r a e l c e b l l a h s 5 1 e n o o t t e s e b l l a h s 4 1 d e v r e s e r 1 3 1 d n a m m o c e d...

Page 60: ...and the drive 1 Sets BSY 2 Saves the parameters 3 Resets BSY and 4 Generates an interrupt To specify maximum heads write 1 less than the maximum e g write 4 for a 5 head drive To specify maximum sectors specify the actual number of sectors e g 17 for a maximum of 17 sectors track The sector count and head values are not checked for validity by this command If they are invalid no error will be post...

Page 61: ...eady on the desired track an implied seek is performed Once at the desired track the data fields are written with all zeroes Execute Drive Diagnostic Commands the drive to implement the internal diagnostic tests These tests are executed only upon command receipt they do not run automatically at power up or after a reset The drive sets BSY immediately upon receiving this command The following table...

Page 62: ...ands and their respective codes are D0h S M A R T Read Attribute Value This feature returns 512 bytes of attribute information to the host D1h S M A R T Read Attribute Thresholds This feature returns 512 bytes of warranty failure thresholds to the host D2h Enable Disable Autosave To enable this feature set the sector count register to F1h enable or 0 disable Attribute values are automatically save...

Page 63: ...er and provides a credit card number 2 Maxtor ships a replacement drive within 2 business days and 3 Customer returns the original drive and credit card draft is destroyed Support Technical Assistance Highly trained technicians are available 6 a m to 6 p m Mountain Standard Time Monday through Friday to provide detailed technical support U S and Canada Language support English Spanish Voice 800 2M...

Page 64: ...vice All Maxtor products are backed by No Quibble Service the benchmark for service and support in the industry Customer Service is available 7 a m to 6 p m Pacific Standard Time Monday through Friday U S and Canada Language support English Spanish Voice 800 2MAXTOR press 2 800 262 9867 E mail RMA maxtor com Fax 408 922 2085 Europe Language support English French German Voice 353 1 204 11 11 E mai...

Page 65: ...compensatesforadifferenceindatatransferrates and ordataprocessingratesbetweensenderandreceiver BUS Acollectionoffunctionallyparallelconductorsthatformsaninterconnectionbetween functionalblocksinadigitaldevice Alengthofparallelconductorsthatformsamajor interconnectionroutebetweenthecomputersystemCPU centralprocessingunit and itsperipheralsubsystems Dependingonitsdesign abusmaycarrydata addresses po...

Page 66: ...memorywithoutprocessor intervention DIRECTORY Alistingoffilesmaintainedbythediskoperationsystem DOS oradatabase managementsystemtoenableausertoquicklyaccessdatafiles DISK Aflat circularpieceofmetal usuallyaluminum orplastic usuallymylar witha magneticcoatinguponwhichinformationcanberecorded See forexample floppy diskorWinchesterdisk DISK DRIVE OR DISK MEMORY DEVICE Thetotalelectromechanicalstorage...

Page 67: ...adsareloaded unloaded orflyingheightisestablished Head disk contactmayoccurinsomeinstances nodataisrecordedinthisarea HEAD POSITIONER Alsoknownasactuator amechanismthatmovesthearmsthatcarryread writeheads tothecylinderbeingaccessed I INDEX Similartoadirectory butusedtoestablishaphysicaltologicalcrossreference Usedto updatethephysicaldiskaddress tracksandsectors offilesandtoexpediteaccesses INSIDE ...

Page 68: ...stheactionsofthepartsofthecomputerandits peripheraldevices Seediskoperatingsystem OUTSIDE DIAMETER Thelargestradiusrecordingtrackonadisk OVERWRITE Atestthatmeasurestheresidual1Frecordedfrequencyonatrackafterbeing overwrittenbya2Fsignal Variationsofthetestexist P PARALLELISM 1 Theconditionoftwoplanesorlinesbeingparallel Importantindiskdrivesbecause alackofitinmechanicalassembliescanresultinposition...

Page 69: ...taryservopatternusedinembeddedservocontrolsystemsusuallypositioned betweensectorsorattheendofatrack SERVO CONTROL Atechniquebywhichthespeedorpositionofamovingdeviceisforcedinto conformitywithadesiredorstandardspeedorposition SERVO HEAD Amagneticheaddesignedspecificallyforaccuratelyreadingservodata SERVO PATTERN Areadbacksignalthatindicatesthepositionofaheadrelativetoatrack SERVO SURFACE Arecording...

Page 70: ...ningmotorthatusesthesameprincipleasavoicecoilinaloudspeaker The motorhasnodetentpositions Themechanicalmotionoutputofitcanbeeitherrotary orlinear W WHITNEY HEAD AsuccessortotheoriginalWinchesterread writeheaddesign Theprimarychange wastomaketheflexuresmallerandmorerigid FirstusedinIBM3370 3380 WHITNEY TECHNOLOGY Amethodofconstructingaread writeheadinarigiddiskdriveusingaWhitney head Inallotherdeta...

Page 71: ...MAXTOR CORPORATION 510 COTTONWOOD DRIVE MILPITAS CALIFORNIA 95035 ...

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