•
Conforms to the latest ANSI Specification (listed on page
vii)
•
Supports the SCSI Direct Access Device Common Command Set
•
Supports SCSI disconnect/reconnect option
•
Diagnostic Commands support physical addressing
•
Track-to-track and cylinder-to-cylinder format skewing
•
Command queuing for each LUN
•
Supports logical block sizes of 256, 512, 1024, 2048, and
4096 bytes
•
48-bit ECC correcting up to 17 bits in error
•
Supports SCSI bus parity
•
ESDI pass-through commands and status
1.3 ORGANIZATION OF THE MANUAL
This manual is designed to help you integrate the MD21 Controller
hardware into a subsystem. It provides technical information about
the controller and brief overviews of the SCSI and ESDI interfaces.
The manual provides no information about the SCSI command set or
protocol. For this information, please refer to the Emulex SCSI
Disk Controller Programming Reference Manual (manual number
MD2352501).
The contents of the seven sections and two appendices of the MD21
Disk Controller manual are briefly described below.
Section 1
Introduction: This section briefly describes the MD21
Controller, provides a list of its features, and
describes the organization of this manual. (This
section.)
Section 2 General Description: This section contains overviews of
the MD21 Controller, the SCSI bus, and the ESDI
interface. It also discusses SCSI and ESDI
compatibility.
Section 3 MD21 Controller Specifications: This section contains
specifications for the major components of the MD21
Controller .
Section 4
Drive Configuration Parameters: This section contains
recommended parameters of the ESDI disk drives.
Introduction 1-3
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