Maxtor 87000A8 Guide

DiamondMax™1750
87000A8, 86480A8, 85250A6
84320A5, 83500A4, 83240A4
82560A3, 81750A2
Part #1370/C
All material contained herein Copyright © 1997 Maxtor Corporation.
CrystalMax™, CrystalMax™ 1080, DiamondMax™, DiamondMax™
1750 and MaxFax™ are trademarks of 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. Printed in the U.S.A. 6/97
Corporate Headquarters
510 Cottonwood Drive
Milpitas, California 95035
Tel: [phone]
Fax: [phone]
Research and Development
Engineering Center
2190 Miller Drive
Longmont, Colorado 80501
Tel: [phone]
Fax: [phone]

Revisions Manual No. 1370
REV EC NO. SECTION DESCRIPTION DATE
A 78444 All Initial release 04/15/97
B 78512 2 - 4 Model number changed from 85120A6 to 85250A6; track, flux and
recording density specifications modified; tracks per surface and sectors
per drive increased; logical head count changed from 16 to 15.
05/30/97
C 78533 2, 3, 5 and 7 Removed all reference to Ultra DMA support; non-operational shock
specification upgraded from 150 Gs to 200 Gs; noted lower power
consumption specifications.
06/10/97

Before You Begin
Thank you for your interest in the Maxtor DiamondMax™ 1750 AT hard disk drives. This manual provides technical
information for OEM engineers and systems integrators regarding the installation and use of the 87000A8, 86480A8,
85250A6, 84320A5, 83500A4, 83240A4, 82560A3 and 81750A2.
Drive repair should be performed only at an authorized repair center. For repair information, contact the
Maxtor Customer Service Center at 800-2MAXTOR or 408-432-1700.
Before unpacking the hard drive, please review Sections 1 through 4.
CAUTION
Maxtor DiamondMax 1750 hard drives are precision products. Failure to
follow these precautions and guidelines outlined here may lead to
product failure, damage and invalidation of all warranties.
1 BEFORE unpacking or handling a drive, take all proper electro-static discharge (ESD)
precautions, including personnel and equipment grounding. Stand-alone drives are
sensitive to ESD damage.
2 BEFORE removing drives from their packing material, allow them to reach room
temperature.
3 During handling, NEVER drop, jar, or bump a drive.
4 OnceadriveisremovedfromtheMaxtorshippingcontainer,IMMEDIATELYsecurethe
drivethroughitsmountingholeswithinachassis.Otherwise,storethedriveonapadded,
grounded,antistaticsurface.
5 NEVERswitchDCpowerontothedrivebyplugginganelectricallyliveDCsourcecable
into the drive's connector. NEVER connect a live bus to the drive's interface connector.
Please do not remove or cover up Maxtor factory-installed drive labels.
They contain information required should the drive ever need repair.

DIAMONDMAX 1750 PRODUCT MANUAL
iv
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
Section 2 —Product Description
The 87000A8, 86480A8, 85250A6, 84320A5, 83500A4, 2 - 1
83240A4, 82560A3 and 81750A2
Product Features 2 - 2
Functional/Interface 2 - 2
Zone Density Recording 2 - 2
Read/Write Multiple Mode 2 - 2
Multi-word DMA (EISA Type B) - Mode 2 2 - 2
Sector Address Translation 2 - 2
Logical Block Addressing 2 - 2
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 - 3
Buffer Segmentation 2 - 3
Read-Ahead Mode 2 - 3
Automatic Write Reallocation (AWR) 2 - 3
Write Cache Stacking 2 - 3
Major HDA Components 2 - 4
Drive Mechanism 2 - 4
Rotary Actuator 2 - 4
Read/Write Electronics 2 - 4
Read/Write Heads and Media 2 - 4
Air Filtration System 2 - 4
Microprocessor 2 - 4
Subsystem Configuration 2 - 5
Dual Drive Support 2 - 5
Cable Select Option 2 - 5
Jumper Location/Configuration 2 - 5
4092 Cylinder Limitation 2 - 5
Section 3 —Product Specifications
Configuration 3 - 1
Performance 3 - 1
Physical Dimensions 3 - 2
Power Requirements 3 - 3
Power Mode Definitions 3 - 3
Environmental 3 - 3
Shock and Vibration 3 - 4
Reliability and Maintenance 3 - 4
Data Reliability 3 - 4

DIAMONDMAX 1750 PRODUCT MANUAL
v
Acoustic Noise 3 - 4
EPA Energy Star Compliance 3 - 4
EMC/EMI 3 - 5
Standard Test Methods 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
Drive Jumper Settings 4 - 4
Mounting Drive in System 4 - 4
Attaching IDE Interface and Power Cables 4 - 6
Attaching System Cables 4 - 7
System Setup 4 - 8
Hard Drive Preparation 4 - 10
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
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 Registers 6 - 2
Device/Head Register 6 - 2
Status Register 6 - 2
Command Register 6 - 3
Read Commands 6 - 3
Write Commands 6 - 3
Mode Set/Check Commands 6 - 3
Power Mode Commands 6 - 3
Initialization Commands 6 - 3
Seek, Format, and Diagnostic Commands 6 - 3
S.M.A.R.T. Commands 6 - 3
Summary 6 - 4
Control Diagnostic Registers 6 - 5
Alternate Status Register 6 - 5
Device Control Register 6 - 5
Digital Input Register 6 - 5
Reset and Interrupt Handling 6 - 6

DIAMONDMAX 1750 PRODUCT MANUAL
vi
Section 7 —Interface Commands
Command Summary 7 - 1
Read Commands 7 - 2
Read Sector(s) 7 - 2
Read Verify Sector(s) 7 - 2
Read Sector Buffer 7 - 2
Read DMA 7 - 3
Read Multiple 7 - 3
Set Multiple 7 - 3
Write Commands 7 - 4
Write Sector(s) 7 - 4
Write Verify Sector(s) 7 - 4
Write Sector Buffer 7 - 4
Write DMA 7 - 5
Write Multiple 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, and Diagnostic Commands 7 - 13
S.M.A.R.T. Command Set 7 - 14
Section 8 —Service and Support
Service Policy 8 - 1
No Quibble Service 8 - 1
Support 8 - 1
Glossary
Glossary GL - 1

DIAMONDMAX 1750 PRODUCT MANUAL
vii
Figures
Figure Title Page
2 - 1 PCBA Jumper Locations 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) 4 - 3
4 - 3 Single-pack Shipping Container (Option B) 4 - 3
4 - 4 Master/Slave Jumper Detail 4 - 4
4 - 5 5.25-inch Mounting Brackets/Slider Rails 4 - 4
4 - 6 5.25-inch Installation 4 - 5
4 - 7 3.5-inch Installation 4 - 5
4 - 8 IDE Interface and Power Cabling Detail 4 - 6
4 - 9 System Interface Card Cabling 4 - 7
4 - 10 System Mother Board Cabling 4 - 7
4 - 11 J46 (4092 Cylinder Limitation) Detail 4 - 9
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

DIAMONDMAX 1750 – INTRODUCTION
1 – 8
SECTION 1
Introduction
Maxtor Corporation
MaxtorCorporationhasbeenprovidinghigh-qualitycomputerstorageproductssince1982.Alongtheway,we’veseenmany
changesindatastorageneeds.Notlongago,onlyahandfulofspecificusersneededmorethanacouplehundredmegabytesof
storage.Today,downloadingfromtheInternetandCD-ROMs,multimedia,networkingandadvancedofficeapplicationsare
drivingstorageneedsevenhigher.EvenhomePCapplicationsneedcapacitiesmeasuredingigabytes,notmegabytes.
Products
Maxtor’sproductsmeetthosedemandingstoragecapacityrequirementswithroomtospare.Theyfeatureproven
compatibilityandreliability.WhileDiamondMax™1750isthelatestadditiontoourfamilyofhighperformance
desktopharddrives,theCrystalMax™andCrystalMax™1080seriesharddrivesdeliverindustry-leadingcapacityand
valueformostPCapplications.
Support
Nomatterwhichcapacity,allMaxtorharddrivesaresupportedbyourcommitmenttototalcustomersatisfactionandour
NoQuibble
®
Serviceguarantee.Onecall–oravisittoourhomepageontheInternet(http://www.maxtor.com)–puts
youintouchwitheithertechnicalsupportorcustomerservice.We’llprovideyoutheinformationyouneedquickly,
accuratelyandintheformyouprefer–afax,adownloadedfileoraconversationwitharepresentative.
Manual Organization
Thisharddiskdrivereferencemanualisorganizedinthefollowingmethod:
❏Section1–Introduction
❏Section2–Description
❏Section3–Specifications
❏Section4–Installation
❏Section5–ATInterface
❏Section6–HostSoftwareInterface
❏Section7–InterfaceCommands
❏Section8–ServiceandSupport
❏Appendix–Glossary
Abbreviations
ABBRV DESCRIPTION ABBRV DESCRIPTION
ATA AT attachment MB megabyte
bpi bits per inch Mbits/sec megabits per second
CHS cylinder - head - sector MB/sec megabytes per second
db decibels MHz megahertz
dBA decibels, A weighted ms millisecond
DMA direct memory access MSB most significant bit
ECC error correction code mV millivolts
fci flux changes per inch ns nanoseconds
G acceleration PIO programmed input/output
GB gigabyte RPM revolutions per minute
Hz hertz tpi tracks per inch
KB kilobyte µsec microsecond
LBA logical block address V volts
LSB least significant bit W watts
mA milliamperes

DIAMONDMAX 1750 – INTRODUCTION
1 – 9
Conventions
Ifthereisaconflictbetweentextandtables,thetableshallbeacceptedasbeingcorrect.
Key Words
Thenamesofabbreviations,commands,fieldsandacronymsusedassignalnamesareinalluppercasetype(e.g.,
IDENTIFYDRIVE).Fieldscontainingonlyonebitareusuallyreferredtoasthe“name”bitinsteadofthe“name”field.
Namesofdriveregistersbeginwithacapitalletter(e.g.,CylinderHighregister).
Numbering
Numbersthatarenotfollowedbyalowercase“b”or“h”aredecimalvalues.Numbersthatarefollowedbyalowercase
“b”(e.g.,01b)arebinaryvalues.Numbersthatarefollowedbyalowercase“h”(e.g.,3Ah)arehexadecimalvalues.
Signal Conventions
Signalnamesareshowninalluppercasetype.
Allsignalsareeitherhighactiveorlowactivesignals.Adashcharacter(-)attheendofasignalnameindicatesthatthe
signalislowactive.AlowactivesignalistruewhenitisbelowViLandisfalsewhenitisaboveViH.Asignalwithouta
dashattheendindicatesthatthesignalishighactive.AhighactivesignalistruewhenitisaboveViHandisfalsewhenit
isbelowViL.
Whenasignalisasserted,itmeansthesignalisdrivenbyanactivecircuittoitstruestate.
Whenasignalisnegated,itmeansthesignalisdrivenbyanactivecircuittoitsfalsestate.
Whenasignalisreleased,itmeansthesignalisnotactivelydriventoanystate.Somesignalshavebiascircuitrythatpullthe
signaltoeitheratrueorfalsestatewhennosignaldriverisactivelyassertingornegatingthesignal.Theseinstancesare
notedunderthedescriptionofthesignal.

PRODUCT DESCRIPTION
2 – 10
SECTION 2
Product Description
MaxtorDiamondMax™1750ATdiskdrivesare1-inchhigh,3.5-inchdiameterrandomaccessstoragedeviceswhich
incorporateanon-boardEnhancedIDE/ATAcontroller.Highcapacityisachievedbyabalancedcombinationofhighareal
recordingdensityandthelatestdataencodingandservotechniques.
Maxtor'slatestadvancementsinelectronicpackagingandintegrationmethodshaveloweredthedrive'spowerconsumptionand
increaseditsreliability.Advancedmagneto-resistiveread/writeheads,anstate-of-the-arthead/diskassemblyusinganintegrated
motor/spindledesignallowuptofourdisksina3.5-inchpackage.
Exceptionallyhighdatatransferratesandsub10msaccesstimesmaketheseperformanceseriesdiskdrivesespeciallywell-suited
tohighspeeddesktopandserverapplications.
DiamondMax 1750 Key Features
ANSI ATA-4 compliant PIO Mode 4 interface (Enhanced IDE)
256 KB buffer with multi-adaptive cache manager
< 10 ms seek time
Zone density and I.D.-less recording
High reliability with
> 500,000 hour MTBF
Outstanding shock resistance at 200 Gs
High durability with 50K constant start/stop cycles
Advanced multi-burst on-the-fly Error Correction Code (ECC)
Extended data integrity with ECC protected data and fault tolerant servo synchronization fields
Supports EPA Energy Star Standards (Green PC Friendly) with ATA powering savings commands
Auto park and lock actuator mechanism
Low power consumption
S.M.A.R.T. Capability
Note:Maxtordefinesonemegabyteas10
6
oronemillionbytesandonegigabyteas10
9
oronebillionbytes.