Section 3
DISK CONTROLLER SPECIFICATIONS
3.1 OVERVIEW
This section contains the specifications for the components on the
MD21 Controller. A general description of each component is
included under FUNCTIONAL in the General and Electrical
Specifications table.
(For a detailed description of the MD21
Controller's function as a whole, see Section 2, subsection 2.2.2,
Functional Description).
The specifications for the MD21
Controller are described in separate subsections, as listed in the
following table.
Subsection
Title
3.1
Overview
3.2
General and Electrical Specifications
3.3
Physical Specifications
3.4
Environmental Specifications
3.2 GENERAL AND ELECTRICAL SPECIFICATIONS
Table 3-1 lists and describes the general and electrical
specifications for the MD21 Controller.
Table 3-1.
General and Electrical Specifications
Parameter
Description
FUNCTIONAL
Design
High-speed microprocessor-based disk
controller for integration of one or
two ESDI 5.25-inch Winchester disk
drives to SCSI bus
SCSI Bus/Controller
Interface
Standard SCSI bus interface
via a standard 50-pin male connector
Disk Drive Interface
ESDI interface for 5.25-inch
Winchester disk drives, via a 34-pin
drive control connector and a 20-pin
data connector
(continued on next page)
Disk Controller Specifications 3-1
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