ATTO Technology operation manual Contents

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Contents

1 What is ATTO ExpressPCI?

1

Features

Operating Environments

Power Requirements

Environmental and Physical Specifications

SCSI Connectors

2 SCSI is a key technology for storage

3

Glossary

 

3 Installing the ExpressPCI SCSI Host Adapter

5

System requirements

 

Installation

 

3.1 Determining cabling and termination

7

Cable types

 

Examples

 

Connectors

 

Connection considerations

 

Termination

 

3.2 Installing and Updating Device Drivers

11

Windows Server 2003 & Windows 2000/XP

 

Windows NT Installation

 

Re-flashing Firmware in Windows

 

Linux and Sun Solaris Driver Installation

 

Updating Drivers and Re-flashing Firmware in Mac OS X

 

Updating Drivers and Re-flashing Firmware in Mac OS 9

 

4 Maximizing Performance with your ExpressPCI HBA

15

Use the latest ATTO driver

 

Set registry for large block transfers

 

Set up RAID groups with ATTO ExpressRAID

 

Increase transfer size

 

Analyze your I/Os

 

5 Troubleshooting

17

Appendix A Standards and compliances

i

Appendix B SCSI host adapter selection guide

ii

Appendix C Fibre Channel host adapter guide

iii

Appendix D Contact ATTO Technology, Inc. ............................... iv

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Contents Page Page Contents Scsi Connectors FeaturesPower Requirements Environmental and Physical SpecificationsFeatures, benefits Glossary Scsi is a key technology for storageGlossary Installing the ExpressPCI Scsi Host Adapter InstallationSystem requirements Atto ExpressPCI PSC Scsi adapter Connectors Cable typesExamples Termination Connection considerationsWide devices first closest to the connector To set up cabling and terminationCables, termination Windows Server 2003 & Windows 2000/XP Installing and Updating Device DriversDrivers Re-flashing Firmware in Windows Updating Drivers and Re-flashing Firmware in Mac OS Set up RAID groups with Atto ExpressRAID Use the latest Atto driverSet registry for large block transfers Analyze your I/Os Increase transfer sizeTroubleshooting Troubleshooting FCC standards radio and television interference Appendix a Standards and compliancesAppendix B Scsi host adapter selection guide Specific featuresExpressPCI Express PCI Appendix C Fibre Channel host adapter guideAppendix D Contact Atto Technology, Inc

ATTO ExpressPCI Ultra/WIDE SCSI Host Adapters Express PCI PSC: Single-Channel Single-Ended Ultra/WIDE ExpressPCI DC: Dual-Channel Single-Ended Ultra/WIDE specifications

ATTO Technology is a leading provider of cutting-edge storage connectivity solutions, and their line of ATTO ExpressPCI Ultra/WIDE SCSI Host Adapters has showcased the company’s commitment to performance and reliability for demanding data applications. Specifically, the ExpressPCI PSC (Single-Channel Single-Ended Ultra/WIDE) and the ExpressPCI DC (Dual-Channel Single-Ended Ultra/WIDE) models cater to different user needs while maintaining industry standards.

The ATTO ExpressPCI PSC is designed for environments where a single channel is sufficient to meet the connectivity demands. This single-ended adapter supports Ultra/WIDE SCSI technology, enabling data transfer rates of up to 40 MB/s. The PSC is perfect for users who require efficient storage solutions without the complexity of handling multiple channels. With its robust design, this adapter excels in various applications, from small business servers to high-performance workstations, offering reliability in demanding environments.

On the other hand, the ATTO ExpressPCI DC doubles the capability with its dual-channel architecture. This feature allows for two independent SCSI buses, effectively doubling the potential data throughput. By utilizing ultra/WIDE SCSI technology, the DC can achieve a combined throughput of 80 MB/s, making it an optimal choice for users needing higher performance for tasks such as video editing, data intensive applications, and backups. The dual-channel configuration provides advantages in multitasking, enabling the simultaneous operation of multiple drives or devices.

Both models incorporate advanced technologies such as automatic bus termination and active negation, ensuring optimal signal integrity and reliability. Additionally, ATTO’s exclusive Advanced Data Flow Management technology enhances performance by intelligently managing data transfer to optimize bandwidth utilization, which is key in environments where data transfer speed and reliability are crucial.

Another noteworthy characteristic is the high compatibility with various operating systems and SCSI devices, making the ExpressPCI Ultra/WIDE SCSI Host Adapters versatile and easy to incorporate into existing systems. They support a wide range of SCSI drives and peripherals, ensuring that users can leverage their investment in both current and future technologies. In summary, the ATTO ExpressPCI Ultra/WIDE SCSI Host Adapters—PSC and DC—represent robust solutions that blend speed, reliability, and flexibility, catering to the diverse needs of businesses and advanced users alike. With their proven performance, these adapters continue to be an important asset in high-demand data environments, showcasing ATTO's dedication to innovation in the storage connectivity realm.