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

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ATTO Technology, Inc.

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ATTO Technology UL2D, UL25 user manual Appendix B Specifications, General