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Page 14 ATTO Technology, Inc.
APPENDIX B: SPECIFICATIONS
General
• Operates on Macintosh
and PC Computers
• Automatic Termination
• Advanced Data Streaming (ADS) Technology
• RAID-Ready
• Embedded RISC I/O Processor
• SCSI-3 Connectors:
UL2D: EXT (2) 68 VHDCI
INT (2) 68 Wide
UL2S: EXT (1) 68 VHDCI
INT (1) 68 Wide
• Flash ROM BIOS for Easy Field Upgrades
• PCI 2.1 Compliant
• Low Power Requirements
• Plug and Play
• Includes Mac
®
OS and PC Utility Software
SCSI Bus
Adapter Interface.....................................Special Bus Management Hardware for
Video, Fileservers, & Real Time
Environments
Maximum Host PCI Transfer Rate...........133 Mbytes/sec.
Maximum SCSI Transfer Rates:
Synchronous Data Rate:
UL2D:..........................................80 Mbytes/sec. Per Channel (Ultra2 mode)
40 Mbytes/sec. Per Channel (Ultra mode)
UL2S: ..........................................80 Mbytes/sec. Per Channel (Ultra2 mode)
40 Mbytes/sec. Per Channel (Ultra mode)
Asynchronous Data Rate:.....................12 Mbytes/sec. Per Channel (All models)
SCSI Interface.........................................SCSI-1, SCSI-2, SCSI-3, UltraSCSI,
Ultra2 SCSI
Electrical Signals ....................................Single-Ended, Low Voltage Differential and
Differential SCSI
Extensive Device Support........................UL2D: Up to 210 through LUNS
(Wide and Narrow Devices)
UL2S: Up to 105