Emulex MD21/S2, Technical Manual

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TABLE OF CONTENTS
Section Page
Preface................................................. vii
ONE: INTRODUCTION
1.1 O V E R V I E W ... ................ 1-1
1.2 FEATURES ........................................ 1-2
1.3 ORGANIZATION OF THE MANUAL ....................... 1-3
TWO: GENERAL DESCRIPTION
2.1 INTRODUCTION..................................... 2-1
2.2 MD21 DISK CONTROLLER OVERVIEW ................... 2-1
2.2.1 PHYSICAL DESCRIPTION .......................... 2-1
2.2.2 FUNCTIONAL OVERVIEW .......... 2-3
2.2.2.1 8031 Microprocessor ......................... 2-5
2.2.2.2 Disk Formatter .............................. 2-5
2.2.2.3 Buffer Controller ........................... 2-5
2.3 SCSI BUS OVERVIEW ............................... 2-6
2.4 ESDI OVERVIEW ................................... 2-8
2.5 COMPATIBILITY ................................... 2-9
2.5.1 SCSI BUS HARDWARE COMPATIBILITY ............... 2-9
2.5.2 ESDI DISK DRIVE COMPATIBILITY ................. 2-9
THREE: DISK CONTROLLER SPECIFICATIONS
3.1 OVERVIEW ............................... 3-1
3.2 GENERAL AND ELECTRICAL SPECIFICATIONS ........... 3-1
3.3 PHYSICAL SPECIFICATIONS ......................... 3-3
3.4 ENVIRONMENTAL SPECIFICATIONS .......... 3-5
FOUR: DISK DRIVE PARAMETERS
4.1 OVERVIEW ..................... 4-1
4.2 ESDI DISK DRIVE PREPARATION ..................... 4-1
4.2.1 DRIVES SUPPORTED............................... 4-1
4.2.2 DRIVE PLACEMENT ................ 4-1
4.2.3 DRIVE NUMBERING ............................... 4-1
4.2.4 SPINDLE CONTROL................................ 4-2
4.2.5 DRIVE SECTORING AND OTHER OPTIONS ............. 4-2
4.3 DISK OPERATIONS .................................. 4-5
4.3.1 SECTOR AND TRACK FORMAT OPERATIONS ....... 4-5
4.3.2 GROWN DEFECT LIST OPERATIONS .................. 4-6
Table of Contents iii