Maxtor VL20 Ultra DMA Timing

AT INTERFACE DESCRIPTION

5 – 5

Ultra DMA Timing

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Figure 5 - 4

Initiating an Ultra DMA Data In Burst

Contents

Main DiamondMax VL 20 Part #1427/A 92041U4, 91531U3 and 91021U2 Corporate Headquarters Before You Begin the Maxtor Customer Service Center at 800-2MAXTOR or 408-922-2085. CAUTION Contents Section 1 Introduction Section 2 Product Description Section 3 Product Specifications Section 4 Handling and Installation Section 5 AT Interface Description Section 6 Host Software Interface Section 7 Interface Commands Section 8 Service and Support Glossary Figures Figure Title Page SECTION 1 Introduction Maxtor Corporation Manual Organization Abbreviations Conventions SECTION 2 Product Description DiamondMax VL 20 Key Features Product Features Functional / Interface Page Cache Management Major HDA Components Figure 2-1 PCBA Jumper Location and Configuration Cylinder Limitation Jumper Description Subsystem Configuration Jumper Location/Configuration PRODUCT SPECIFICATIONS 3 1 Product Specifications Drive Configuration Performance Specifications Models and Capacities PRODUCT SPECIFICATIONS Physical Dimensions Figure 3 - 1 Outline and Mounting Dimensions Power Requirements Power Mode Definitions EPA Energy Star Compliance Environmental Limits Reliability Specifications Shock and Vibration EMC/EMI Safety Regulatory Compliance SECTION 4 Handling and Installation Pre-formatted Drive Hard Drive Handling Precautions Electro-Static Discharge (ESD) Page Page 4 4 1 Before You Begin DONT NEVER DO NOT BEFORE 3 Hard Drive Identification Identifying IDE Devices on the Interface Jumper Settings Rear View of Maxtor Hard Drive Master, Slave and Cable Select Settings 2 General Requirements 4 Mounting Drive in System Installing 5.25-inch Mounting Brackets and Rails Installing in a Device Bay Systems Using Cable Select Relationship to Other IDE Devices 5 Attaching Interface and Power Cables 6 Attaching System Cables 4 8 7 System Setup Setting the BIOS (CMOS) BIOS (CMOS) Parameters 4 9 8 Hard Drive Preparation 4 10 9 System Hangs During Boot 5 1 SECTION 5 System Connector (blue) Drive 0 - Master (black) AT Interface Description Interface Connector Striped Edge (Pin 1) Drive 1 - Slave (gray) Figure 5-1 Data Connector Pin Description Table 5 3 PIO Timing Figure 5 - 2 PIO Data Transfer To/From Device 5 4 DMA Timing Figure 5 - 3 Multi-word DMA Data Transfer 5 5 Ultra DMA Timing Figure 5 - 4 Initiating an Ultra DMA Data In Burst 5 6 Figure 5 - 5 Sustained Ultra DMA Data In Burst Figure 5 - 6 Host Pausing an Ultra DMA Data In Burst 5 7 Figure 5 - 7 Device Terminating an Ultra DMA Data In Burst Figure 5 - 8 Host Terminating an Ultra DMA Data In Burst 5 8 Figure 5 - 9 Initiating an Ultra DMA Data Out Burst Figure 5 - 10 Sustained Ultra DMA Data Out Burst 5 9 Figure 5 - 11 Device Pausing an Ultra DMA Data Out Burst Figure 5 - 12 Host Terminating an Ultra DMA Data Out Burst 5 10 Figure 5 - 13 Device Terminating an Ultra DMA Data Out Burst SECTION 6 Host Software Interface Task File Registers Page Command Register HOST SOFTWARE INTERFACE Summary 6 4 Control Diagnostic Registers Reset and Interrupt Handling SECTION 7 Interface Commands Read Commands Page Write Commands Page Set Feature Commands Power Mode Commands Page Initialization Commands INTERFACE COMMANDS 7 10 INTERFACE COMMANDS 7 11 Page Seek, Format and Diagnostic Commands S.M.A.R.T. Command Set SECTION 8 Service and SupportService and Support Service and SupportService and Support Service and Support Page GLOSSARY GlossaryGlossary BB AA GlossaryGlossary Glossary AA A DD DD D EE FF EE E FF F GG GG G KK JJ HH MM NN OO MM M NN N PP PP P RR RR R SS SS S TT WW TT T UU UU U