ATTO Technology Features, Operating Environments, Power Requirements, Scsi Connectors

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1 What is ATTO ExpressPCI?

Compatible with virtually all popular SCSI devices, ATTO ExpressPCI host adapters will increase the performance of disk-intensive applications such as digital video, prepress, multimedia and real-time.

The ATTO ExpressPCI family of Ultra/WIDE SCSI host adapters includes:

ExpressPCI PSC

Single-Channel, Single-Ended Ultra/WIDE

ExpressPCI DC

Asynchronous I/O support

Multiple Initiator support

SCSI-3 Tagged Command Queuing

Mac SCSI Manager 4.3 and pre 4.3 compatible driver

Dual-Channel, Single-Ended Ultra/WIDE

Plug and Play for PCI-based computers The

ATTO ExpressPCI SCSI adapter uses plug and play technology to eliminate configuration manipulation, including setting termination for single-ended adapters. Insert the ATTO ExpressPCI SCSI adapter into your PCI-based computer and the adapter is configured according to your system.

ATTO offers a variety of tools if you need to alter the host adapter’s configuration. Refer to the ExpressPCI Utilities manual for additional information on these tools.

Features

Automatic termination

Advanced Data Streaming (ADS) Technology

RAID ready

Embedded RISC I/O processor

Flash ROM BIOS for easy field upgrades

PCI 2.1 Compliant

Includes Mac® OS and PC Utility software

SCSI InterfaceSCSI-1, SCSI-2, SCSI-3, UltraSCSI

Extensive device support: up to 105 through LUNs (Wide and Narrow devices)

Advanced SCSI

Large Command FIFO

Supports disconnect/reconnect

Operating Environments

Windows 95/98, Windows NT/2000/XP

MacOS 9, Mac OS X

Linux

Sun Solaris

Power Requirements

0.75 typical / 1.25 max. Amps @ + 5.0 VDC,

0.05Amps @ +12.0 VDC

Environmental and Physical

Specifications

Operating Temperature 0-50°C

Humidity 10-90% Non-condensing

Length 4.92” (PSC) 6.2” (DC)

Height 4.2”

MTBF 150,000 hours

MTTR < 15 minutes

SCSI Connectors

ATTO ExpressPCI PSC HD68 (high density 68- pin)

ATTO ExpressPCI DC 68-pin VHDCI external connectors (2), HD 68 internal connectors (2)

Maximum Host PCI Transfer Rate: 133 MB/sec.

Maximum SCSI transfer rates: synchronous data

rate 40 MB/sec. per channel; asynchronous data rate:12 MB/sec. per channel

1 ATTO Technology ExpressPCI Ultra/WIDE SCSI Host Adapters Installation and Operation Manual

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Contents Page Page Contents Features Power RequirementsEnvironmental and Physical Specifications Scsi ConnectorsFeatures, benefits Scsi is a key technology for storage GlossaryGlossary Installation Installing the ExpressPCI Scsi Host AdapterSystem requirements Atto ExpressPCI PSC Scsi adapter Cable types ConnectorsExamples Connection considerations TerminationTo set up cabling and termination Wide devices first closest to the connectorCables, termination Installing and Updating Device Drivers Windows Server 2003 & Windows 2000/XPDrivers Re-flashing Firmware in Windows Updating Drivers and Re-flashing Firmware in Mac OS Use the latest Atto driver Set up RAID groups with Atto ExpressRAIDSet registry for large block transfers Increase transfer size Analyze your I/OsTroubleshooting Troubleshooting Appendix a Standards and compliances FCC standards radio and television interferenceSpecific features Appendix B Scsi host adapter selection guideAppendix C Fibre Channel host adapter guide ExpressPCI Express PCIAppendix 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.