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Fujitsu MCM3064SS, MCM3130SS, MCP3064SS, MCP3130SS 4.3.3 SCSI terminating resistor mode

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4.3 Settings

C156-E228-02EN 4-11

4.3.3 SCSI terminating resistor mode

Enabling or disabling the SCSI terminating resistor, module on the PCA can be

set.

When the drive positions at other than the end of the SCSI bus, the SCSI

terminating resistor should be disabled. Table 4.7 shows the SCSI terminating

resistor mode setting.

Table 4.7 SCSI terminating resistor mode (CNH1)

SCSI terminating resistor mode CNH 1 05-06

SCSI terminating resistor module on the PCA is enabled. Short (*1)

SCSI terminating resistor module on the PCA is disabled. Open

*1 Setting when shipped

Note:

Open CNH1 5-6 pins when the SCSI terminating resistor set by CHN 2-15 pin.

Contents

Main FOR SAFE OPERATION Revision History Page C156-E228-02EN i Preface Overview of Manual Chapter 1 General Description Chapter 2 Specifications Chapter 3 Installation Requirements CONVENTIONS USED IN THIS MANUAL Preface C156-E228-02EN iii Conventions for Alert Messages Attention Page C156-E228-02EN v Important Alert Items Important Alert Messages Important Alert Items vi C156-E228-02EN C156-E228-02EN vii viii C156-E228-02EN REFERENCED STANDARDS Contents CHAPTER 1 General Description................................................................ 1-1 CHAPTER 3 Installation Requirements...................................................... 3-1 Page CHAPTER 5 Operation and Cleaning ......................................................... 5-1 CHAPTER 6 Diagnostics and Maintenance ............................................... 6-1 Page Illustrations FIGURES Page TABLES Page CHAPTER 1 General Description 1.1 Features 1.1.1 Performance and Functions Page 1.1.2 Reliability 1.1.3 Maintainability/operability 1.1.4 Adaptability 1.1.5 Interface Page 1.2 Configuration of Optical Disk Drive 1.2.1 Appearance 1.2.2 Configuration 1.2.3 Mechanical section 1.2.4 Control circuit section Page Page CHAPTER 2 Specifications 2.1 Specifications of Optical Disk Drives 2.1.1 Catalog and order numbers Specifications 2-2 C156-E228-02EN 2.1.2 Specifications of drives Page 2.1.3 Environmental and power requirements 2.1.4 Error rate 2.1.5 Reliability 2.2 Specifications of Optical Disk Cartridges 2.2.1 Recommended optical disk cartridges 2.2.2 Appearance Page 2.2.3 Specifications of disk 2.3 Defect Management 2.3.1 Defect management schematic diagram Page CHAPTER 3 Installation Requirements 3.1 Environmental Requirements Hole for inserting thermocouple Tip of thermocouple 3.1.1 Temperature measurement points Opening of disk outer wall 3.1.2 Temperature requirements 3.1.3 Temperature rise 3.1.4 Air flow 3.1.5 Air cleanliness 3.2 Mounting Requirements 3.2.1 Outer dimensions Page A-A Section Page Page Page 3.2.2 Installation direction Page 3.2.4 Precautions on mounting Page 3.3 Power Supply Requirements Page Page 3.4 Connection Requirement 3.4.1 Connectors and terminals Page Page 3.4.3 External operator panel Page Page 3.4.4 External operator panel settings (CNH2) Page CHAPTER 4 Installation 4.1 Notes on Drive Handling Page 4.1 Notes on Drive Handling C156-E228-02EN 4-3 4.2 Connection Modes 4.3 Settings Page 4.3.1 Setting switches (SW1) Page Page 4.3.2 Setting of supplying power to SCSI terminating resistor 4.3.3 SCSI terminating resistor mode 4.4 Mounting 4.4.1 Checks before mounting the drive 4.4.2 Mounting procedure 4.5 Cable Connections 4.6 Operation Confirmation and Preparation for Use after Installation 4.6.1 Confirming initial operations 4.6.2 SCSI connection check Page 4.7 Dismounting Drive Page CHAPTER 5 Operation and Cleaning 5.1 Operation of Optical Disk Drive 5.1.1 Appearance of optical disk drive 5.1.2 Precautions 5.1.3 Inserting an optical disk cartridge Page 5.1.4 Removing an optical disk cartridge 5.2 Cleaning of Optical Disk Drive 5.3 Operation of Optical Disk Cartridge 5.3.1 Appearance Page 5.3.2 Write protect tab 5.3.3 Precautions 5.4 Cleaning the Optical Disk Cartridge 5.4.1 Cleaning tool for optical disk cartridge 5.4.2 Cleaning of optical disk cartridge Page Page Page CHAPTER 6 Diagnostics and Maintenance 6.1 Diagnostics 6.1.1 Initial self-diagnostics 6.1.2 Diagnostic command 6.1.3 Test program 6.2 Maintenance Information 6.2.1 Maintenance requirements 6.2.2 Revision number Page CHAPTER 7 SCSI BUS 7.1 System Configuration Page Page Page Page 7.3 Physical Requirements 7.3.1 Interface connector Page Page 7.3.2 Interface cable Page 7.4 Electrical Requirements 7.4.1 SCSI interface 7.4.2 Power supply for terminating resistor 7.4.3 Signal driving conditions Page 7.5 Timing Rule C156-E228-02EN 7-15 7.5 Timing Rule SCSI BUS 7-16 C156-E228-02EN Table 7.7 Timing specifications (2 of 3) 7.5 Timing Rule C156-E228-02EN 7-17 Table 7.7 Timing specifications (3 of 3) Table 7.8 SCSI BUS Timing specifications 7.6 Bus Phases 7.6.1 BUS FREE phase Page 7.6.2 ARBITRATION phase Page 7.6.3 SELECTION phase Page 7.6.4 RESELECTION phase Page 7.6.5 INFORMATION TRANSFER phases Page Page Page Page Page Page 7.6.6 COMMAND phase 7.6.7 DATA phase Page Page 7.6.8 STATUS phase 7.6.9 MESSAGE phase 7.6.10 Signal requirements concerning transition between bus phases 7.6.11 Time monitoring feature Page 7.7 Bus Conditions 7.7.1 ATTENTION condition Page 7.7.2 RESET condition Page Page 7.8 Bus Sequence Page Page Page Page Page Page Page Glossary Page Page Page Acronyms and Abbreviations Page Index Page Page Page Page Page READERS COMMENT FORM FOR FUJITSU USE