Specifications
Table Of Contents
- SGI™ 1400 Server Family Maintenance and Upgrades Guide
- List of Figures
- List of Tables
- About This Guide
- Working Inside the System
- Tools and Supplies Needed
- Safety: Before You Remove the Access Cover
- Warnings and Cautions
- Removing the System Access Cover
- Installing the Access Cover
- Working in the Subchassis and Electronics Bay
- Installing PCI Boards
- Removing a PCI option Board
- Removing the Front Panel Board
- Installing the Front Panel Board
- Removing the Diskette Drive
- Installing the Diskette Drive
- Peripheral Drives
- System Fans
- The Power Share Board
- Upgrading Baseboard Components
- SGI 1400 Server SCSI Backplane Installation
- Technical Reference
- Baseboard Connectors
- Main Power Connector
- Auxiliary Power
- Diskette Drive
- Front Panel Connector
- The SMM Connector
- The IPMB Connector
- VGA Video Port Connector
- Keyboard and Mouse
- Parallel Port
- Serial Ports A and B
- Universal Serial Bus
- Narrow SCSI Connector
- Wide SCSI Connector
- Internal IDE Connector
- The Hard Drive LED Connector
- ISA Connector Pinouts
- The PCI Connectors
- Baseboard Jumpers
- System I/O Addresses
- Memory Map Address Range
- Interrupts
- Video Modes
- Baseboard Connectors
- Equipment Log and Configuration Worksheets
- Environmental Specifications
- Chassis Warnings and Safety
- Index

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Chapter 3
3. SGI 1400 Server SCSI Backplane Installation
SCSI Backplane Warnings and Cautions
The warnings and cautions listed a the beginning of Chapter 1 apply whenever you
remove the access cover of the system. Only a technically qualified person should
perform the upgrade installation describedin thefollowing sections.Also see Chapter 1
for a list of tools to use.
Safety: Before You Remove the Access Cover
Before removing the access cover at any time to work inside the system, observe these
safety guidelines.
1. Turn off all peripheral devices connected to the system.
2. Turn off the system by using the push-button on/off power switch on the front of
the system.
3. Unplug all AC power cords from the system or wall outlet.
4. Label and disconnect all peripheral cables and all telecommunication lines
connected to I/O connectors or ports on the back of the system.
5. Provide some ESD protection by wearing an antistatic wrist strap attached to
chassis ground of the system—any unpainted metal surface—when handling
components.
General Procedure to Open the Chassis
1. Label and disconnect all peripheral cables and all telecommunication lines
connected to I/O connectors or ports on the back of the system. Unplug all AC
power cords from the system and wall outlet.
2. Remove the access cover, see Figure 3-1.