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Emulex Manuals
Controller
SC12/A
Technical manual
Emulex SC12/A Technical Manual
Disk controller
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Contents
Table of Contents
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Table of Contents
Table of Contents
Introduction
Scope
Overview
General Description
SC12/A Emulation of RP02 and RP03
Features
Microprocessor Design
Packaging
Self-Test
Buffering
Error Correction
Option and Configuration Switches
Dual Port Capability
Functional Compatibility
Media Compatibility
Disk Mapping
Diagnostics
Operating Systems
Table 1-2 General Specification
General Description
Controller Organization
Physical Description
Connectors
A Cable Connector
B Cable Connector
Test Connector
Switches
LED Indicator
Firmware Pjtoms
Interfaces
Disk Interface
A Cable
B Cable
Unibus Interface
Register ~Pdress
DCLO and INIT Signals
Disk Format
Disk Organization
Mapping
Data Field
Postambles
Recovery Area
General Programming Information
Clearing the .Controller
Termination of Data Transfers
Error Correction
Installation
Inspection
Disk Drive Preparation
Local/Remote
Sectoring
System Preparation
Powering down the System
Controller Setup
Controller Address Selection
Interrupt Vector Address
Index and Sector Pulse Selection
Drive Configuration Selection
Table 3-2 Interrupt Vector Address Selection
Option Switches
Disable Logical to Physical Disk
Physical Installation
Slot Selection
PG Signal Jumper
Mounting
Cabling
A Cable
B Cable
Grounding
Testing
Self-Test
Register Examination
Hardware Formatting the Disk
Diagnostics
Controller Registers
Sector Read Counters
Device Status 'Register
Error Register {Rper)
Word Count Register (Rpwc)
Bus Address Register (Rpba)
Cylinder Address Register (Rpca)
Disk Address Register (Rpda)
Physical Address (Rpa1-Rpa3)
Table 4-1 Summary of SC12/A Registers
Current Cylinder Address (Rpcc)
Data Buffer (Rpdb)
Reset
Seek
Home Seek
5.1. Initiate.functions
Function Codes
Execute Functions
Write
Read
Write Header
Read Header
Data Transfer ERRORS
Sc12/A Configuration and Option Selection
Introduction
Drive Configuration
Single Drive Installations
Dual Drive Installations (same Type
Dual Drive Installations
Table A-1 Drives Supported
User Selectable Options
Table A-3 Option Switch Settings
Configuration Switch Settings
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(
EMULEX
3545
Harbor Boulevard
SC12/A
(RP02/RP03 COMPATIBLE)
DISK CONTROLLER
TECHNICAL MANUAL
Costa Mesa, California
92626
(714) 662-5600
TWX 910-595-2521
sc1251ooi~oo
Rev F
January,
1987
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