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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 accommodate a cable connection (max cable length:
18 inches).

Figure 5-1

Data Connector

Pin Description Summary

PIN

SIGNAL

PIN

SIGNAL

01

Reset -

02

Ground

03

DD7

04

DD8

05

DD6

06

DD9

07

DD5

08

DD10

09

DD4

10

DD11

11

DD3

12

DD12

13

DD2

14

DD13

15

DD1

16

DD14

17

DD0

18

DD15

19

Ground

20

(keypin)

21

DMARQ

22

Ground

23

DIOW -:STOP

24

Ground

25

DIOR -:HDMARDY:HSTROBE

26

Ground

27

IORDY:DDMARDY:DSTROBE

28

CSEL

29

DMACK -

30

Ground

31

INTRQ

32

IOCS16

Obsolete

33

DA1

34

PDIAG -

35

DA0

36

DA2

37

CS0 -

38

CS1 -

39

DASP -

40

Ground

Summary of Contents for 90750D3

Page 1: ...HARD DRIVE PRODUCT MANUAL DiamondMax Plus 5120 92048D8 91792D7 91536D6 91280D5 91024D4 90750D3...

Page 2: ...ervice 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 withou...

Page 3: ...Revisions Manual No 1410 V E R O N C E N O I T C E S N O I T P I R C S E D E T A D A C 7 5 3 9 7 l l A e s a e l e r l a i t i n I 9 9 0 2 3 0...

Page 4: ...lead to product failure damage and invalidation of all warranties 1 BEFOREunpackingorhandlingadrive takeallproperelectro staticdischarge ESD precautions includingpersonnelandequipmentgrounding Stand...

Page 5: ...Sector 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 Opera...

Page 6: ...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 Instal...

Page 7: ...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...

Page 8: ...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...

Page 9: ...Slave 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 U...

Page 10: ...ble Service guarantee One call or a visit to our home page on the Internet http www maxtor com puts you in touch with either technical support or customer service We ll provide you the information you...

Page 11: ...s 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 t...

Page 12: ...speed and 9 0 ms access times make these performance series disk drives especially well suited to high end desktop and server applications DiamondMax Plus 5120 Key Features ANSI ATA 4 compliant PIO Mo...

Page 13: ...th the new ANSI Ultra DMA 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 mul...

Page 14: ...er head and sector 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 numbe...

Page 15: ...fer 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 dis...

Page 16: ...eight head selection depending on the model read pre amplification and write drive circuitry Read Write Heads and Media Low mass low force giant magneto resistive read write heads record data on 3 5 i...

Page 17: ...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...

Page 18: ...0 0 0 4 6 7 7 9 9 9 4 3 6 9 0 0 0 0 0 3 6 1 4 0 0 0 5 2 8 2 7 9 9 9 9 1 8 4 0 0 0 0 5 1 L E D O M 8 D 8 4 0 2 9 7 D 2 9 7 1 9 6 D 6 3 5 1 9 5 D 0 8 2 1 9 4 D 4 2 0 1 9 3 D 0 5 7 0 9 s e m i T k e e S...

Page 19: ...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 s e h c n i 2 0 1 s r e t e m i l l i m 9 5...

Page 20: ...onmental 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...

Page 21: ...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 fai...

Page 22: ...ical 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...

Page 23: ...R 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 u...

Page 24: ...f 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 damage...

Page 25: ...tic bag Physical Installation Recommended Mounting Configuration The DiamondMax Plus 5120 drive design allows greater shock tolerance than that afforded by larger heavier drives The drive may be mount...

Page 26: ...otdrive 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...

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...

Page 28: ...er 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 shipp...

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 th...

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 configurati...

Page 31: ...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...

Page 32: ...em 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 limit...

Page 33: ...cable length 18 inches Figure 5 1 Data Connector Pin Description Summary PIN SIGNAL PIN SIGNAL 01 Reset 02 Ground 03 DD7 04 DD8 05 DD6 06 DD9 07 DD5 08 DD10 09 DD4 10 DD11 11 DD3 12 DD12 13 DD2 14 DD...

Page 34: ...cles DMA ready during UltraDMA data out bursts Data strobe during UltraDMA data in bursts CSEL 28 Cable Select Used for Master Slave selection via cable Requires special cabling on host system and ins...

Page 35: ...60 ns 45 ns 30 ns 30 ns 20 ns t4 DIOW data hold min 30 ns 20 ns 15 ns 10 ns 10 ns t5 DIOR data setup min 50 ns 35 ns 20 ns 20 ns 20 ns t6 DIOW data hold min 5 ns 5 ns 5 ns 5 ns 5 ns t6Z DIOR data tri...

Page 36: ...tG DIOR DIOW data setup min 100 ns 30 ns 20 ns tH DIOW data hold min 20 ns 15 ns 10 ns tI DMACK to DIOR DIOW setup min 0 0 0 tJ DIOR DIOW to DMACK hold min 20 ns 5 ns 5 ns tKr DIOR negated pulse widt...

Page 37: ...e allowed for outputs to release 10 10 10 tZAH Minimum delay time required for output drivers turning on from released state 20 20 20 tZAD 0 0 0 tENV Envelope time all control signal transitions are w...

Page 38: ...tDVH 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...

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...

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 tA...

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...

Page 42: ...5 31 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 U...

Page 43: ...rpretation 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...

Page 44: ...follows for the Read Write and translate command CONTENTS LBA BITS Sector Number 0 7 Cylinder Low 8 15 Cylinder High 16 23 Drive Head 24 27 Drive Select Set to 0 to select the master drive set to 1 t...

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 W...

Page 46: ...N N Y Y Seek 0 1 1 1 x x x x N N Y Y Y Execute Diagnostic 1 0 0 1 0 0 0 0 N N N N D Initialize Parameters 1 0 0 1 0 0 0 1 N Y N N Y Read Sector Buffer 1 1 1 0 0 1 0 0 N N N N D Write Sector Buffer 1...

Page 47: ...active for a minimum of 5 sec 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 di...

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...

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 Mu...

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 ea...

Page 51: ...TOR 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...

Page 52: ...ber 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...

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...

Page 54: ...ble values in the Features register are defined as follows VALUE DESCRIPTION 02h Enabled write cache 03h Set transfer mode based on value in Sector Count register 44h Length of data appended on Read L...

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...

Page 56: ...r unique period 10 hours 254 Reserved 255 21 minutes 15 seconds While the drive is in STANDBY MODE any commands received from the host are accepted and executed as they would in normal operation excep...

Page 57: ...ice 5 1 reserved 0 1 Number of cylinders 2 Reserved 3 Number of logical heads 4 5 Not used 6 Number of logical sectors per track 7 9 Not used 10 19 Drive serial number 40 ASCII characters 20 Not used...

Page 58: ...ed 65 Minimum multi word DMA transfer cycle time 15 0 cycle time in nanoseconds 66 Manufacturer s recommeded multi word DMA transfer cycle time 15 0 cycle time in nanoseconds 67 Minimum PIO transfer c...

Page 59: ...bled 2 1 Removable feature set enabled 1 1 Security feature set enabled 0 1 SMART feature set enabled 86 Command sets enabled If words 85 86 and 87 0000h or FFFFh command set notification not supporte...

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 secto...

Page 61: ...ommand execution If the drive is not already 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 t...

Page 62: ...nds 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 5...

Page 63: ...ber 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 Assistanc...

Page 64: ...ll 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 a...

Page 65: ...ompensatesforadifferenceindatatransferrates and ordataprocessingratesbetweensenderandreceiver BUS Acollectionoffunctionallyparallelconductorsthatformsaninterconnectionbetween functionalblocksinadigita...

Page 66: ...emorywithoutprocessor intervention DIRECTORY Alistingoffilesmaintainedbythediskoperationsystem DOS oradatabase managementsystemtoenableausertoquicklyaccessdatafiles DISK Aflat circularpieceofmetal usu...

Page 67: ...dsareloaded unloaded orflyingheightisestablished Head disk contactmayoccurinsomeinstances nodataisrecordedinthisarea HEAD POSITIONER Alsoknownasactuator amechanismthatmovesthearmsthatcarryread writehe...

Page 68: ...theactionsofthepartsofthecomputerandits peripheraldevices Seediskoperatingsystem OUTSIDE DIAMETER Thelargestradiusrecordingtrackonadisk OVERWRITE Atestthatmeasurestheresidual1Frecordedfrequencyonatrac...

Page 69: ...aryservopatternusedinembeddedservocontrolsystemsusuallypositioned betweensectorsorattheendofatrack SERVO CONTROL Atechniquebywhichthespeedorpositionofamovingdeviceisforcedinto conformitywithadesiredor...

Page 70: ...ingmotorthatusesthesameprincipleasavoicecoilinaloudspeaker The motorhasnodetentpositions Themechanicalmotionoutputofitcanbeeitherrotary orlinear W WHITNEY HEAD AsuccessortotheoriginalWinchesterread wr...

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

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