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Rev 4/08
©2008 ATTO Technology, Inc. Specifications subject to change without notice
Technical Specification
Power Behind the Storage
For More Information:
www.ATTOTech.com
or to Purchase:
www.ATTOStore.com
(716) 691-1999
Hardware Specifications
SCSI Interface
• 320 MB/sec. per channel data-transfer rates
• Two (2) external VHDCI and two (2) internal high-density connectors per channel
• Low Voltage Differential (LVD) signaling
• Support for tagged command queuing
• Backward compatible with Ultra160, Ultra2, Ultra/WIDE, Fast/WIDE & Narrow SCSI devices
Advanced SCSI
• Supports dynamic bus rescan (OS X) • Quick Arbitration Select (QAS)
• Double transition clocking • ASPI compliant (for PC users)
• Domain validation • Bootable from attached disks
• Cyclical Redundancy Checking (CRC) • Support for disconnect/reconnect
• Packetization • Support for multiple block sizes
Accelerated PCI Bus Management
• PCI-X bus master rate of 1 GB/sec.
• PCI-X 1.0a compliant
• PCI 2.2 and PCI 99 compliant
• 64-bit/133 MHz PCI-X (backward compatible with standard PCI)
General Characteristics
• Automatic termination
• Upper-byte termination for Narrow devices
• Flash ROM for easy field upgrades
• Plug and play compatible
• Includes ATTO ExpressPro-Tools
TM
& ATTO Configuration Tool formatting & utility software
Software Specifications
Driver Support
• Windows
®
Server 2003, 2008, XP, Vista
• Mac
®
OS X (v10.4.x & v10.5.x)
• Linux (Fedora, Red Hat and SuSE)
• Novell Netware
®
v6.5
Agency Approvals
Safety and Environmental
• FCC Rules, Part 15 Sub-Part B, Class A
• CE Mark: CISPR 22 / EN 55022, Class A
Environmental & Physical Specifications
Dimensions
• Length 6.521”
• Height 4.450”
Operating Environment
• Temperature: 0-45° C
• Humidity: 10-90% non-condensing
• Airflow: 100 LFM (min)
Reliability
• MTBF = 150,000 hours
• MTTR < 15 Minutes
Power
• 0.75 typical/2.0 max. Amps @ + 5.0 VDC
• 0.05 Amps @ + 12.0 VDC
PCI Signal Compatibility
• 3.3 Volts/5 Volts universal
RoHS Compliant
• Yes
Ordering Information
Model Number
• EPCI-UL4D-0R0 (RoHS)
Advanced Data Streaming (ADS
TM
)
• Improved PCI system bandwidth use
• Optimized SCSI-3 algorithms
• Tagged command queuing
• Embedded RISC I/O processor
RAID Options
• RAID 0 support with ATTO Express Power Center or ExpressStripe RAID software utilities
ExpressPCI UL4D
Host Adapter
ExpressPCI UL4D