Specifications
Table Of Contents
- ATTO Technology, Inc.
- Dual Channel Ultra3 (UL3D)
- Dual Channel Ultra3 66 MHz (UL3D-66)
- Single Channel Ultra3 (UL3S)
- Single Channel Ultra3 66 MHz (UL3S-66)
- 1 What is ATTO ExpressPCI?
- 2 SCSI is a key technology for storage
- 3 Installing the ExpressPCI SCSI Host Adapter
- 3.1 Determining cabling and termination
- 3.2 Installing and Updating Device Drivers
- 4 Maximizing Performance with ExpressPCI HBA
- 5 Troubleshooting
- Appendix A Standards and compliances
- Appendix B SCSI host adapter selection guide
- Appendix C Fibre Channel host adapter guide
- Appendix D Contact ATTO Technology, Inc.

1 ATTO Technology ExpressPCI Ultra3 SCSI Host Adapters Installation and Operation Manual
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 Ultra3 SCSI
host adapters includes four models:
ExpressPCI UL3S:
Single Channel Ultra3, 33
Mhz PCI
UL3D:
Dual Channel Ultra3 SCSI, 33MHz PCI
ExpressPCI UL3S-66:
Single Channel Ultra3
SCSI, 66 MHz PCI
ExpressPCI Ul3D-66:
Dual Channel Ultra3 SCSI,
66 MHz PCI
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 provides a variety of configuration tools if
you need to alter the host adapter’s configuration.
See the ATTO ExpressPCI Utilities manual for
additional information.
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
❖
Extensive device support: up to 105 through
LUNs (Wide and Narrow devices)
❖
Advanced SCSI
❖
Large Command FIFO
❖
Supports disconnect/reconnect
❖
Asynchronous I/O support
❖
Multiple Initiator support
❖
SCSI-3 Tagged Command Queuing
❖
Low power requirements
❖
Mac SCSI Manager 4.3 and pre-4.3
compatible driver
Operating Environments
❖
Windows 95/98, Windows NT/2000/XP
❖
Mac
OS 9, Mac OS X
❖
Linux
❖
Sun Solaris
Power Requirements
UL3S/UL3S-66:
1.5 max Amps @ +5.0 VDC,
0.05 Amps @ +12.0 VDC, 7.5W
UL3D/UL3D-66:
1.5 max Amps @ +5.0 VDC,
0.05 Amps @ +12.0 VDC, 15W
Environmental and Physical
Specifications
Operating Temperature
0-50
°
C:
Humidity
10-90% Non-condensing
Length
6.521”
Height
4.2”
MTBF
150,000 hours
MTTR
< 15 minutes
SCSI-3 connectors:
UL3S/UL3S-66 external: (1) 68-pin VHDCI
UL3S/UL3S-66 internal: (1) 68-pin Wide
UL3D/UL3D-66 external: (2) 68-pin VHDCI
UL3D/UL3D-66 internal: (2) 68-pin Wide










