LSI 20860 manual Physical Environment, Physical Characteristics

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Figure 1.1 LSI20860 Board Hardware

Internal

SCSI Interface

connector J2

P1

External SCSI Interface connector J3

J1 to PCI Mainboard connector

1.1.2 Physical Environment

This section discusses the physical, electrical, thermal, and safety characteristics of the LSI20860. Additionally, this board is compliant with Class B electromagnetic standards set by the FCC.

1.1.2.1 Physical Characteristics

The dimensions of the LSI20860 are 2.5 x 4.75 inches. PCI connection is made through edge connector J1.

Internal SCSI connection is made through the 50-pin low density connector J2. External SCSI connection is made through the 50-pin high density connector J3. The J3 connector extends outside the cabinet through a bracket attached to the board and the face of the connector. The bracket is a standard ISA type with a cutout to accommodate connector J3.

General Description

1-3

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Contents N u a r y 2 0 0 USER’S GuideElectromagnetic Compatibility Notices Iii Page Organization PrefaceAudience Revision Record Related PublicationsContents ViiiContents PCI Interface Chapter Using LSI20860Features Board Requirements Scsi InterfacePhysical Environment Physical CharacteristicsElectromagnetic Compliance Electrical CharacteristicsMaximum Power Requirements Thermal, Atmospheric CharacteristicsSafety Characteristics Installing the LSI20860Using the LSI20860 Connecting Scsi Devices Internal Scsi Bus Connections Internal Scsi Devices Chained Together External Scsi Bus ConnectionsMultiple External Devices Chained Together Scsi Bus TerminationScsi Bus Termination During installation, no Scsi devices are found Setting Scsi IDsDevice driver does not see one of the Scsi devices Using the LSI20860 Appendix a Glossary of Terms Abbreviations Mainboard Host AdapterInternal Scsi Local BusScsi Device Port NumberScsi Bus Ultra Scsi Single-EndedTermination Customer Feedback Excellent Good Average Fair Poor Reader’s CommentsCalifornia Distributors by StateNew York Direct Sales Representatives by State Components and Boards North America Sales Offices and Design Resource CentersKorea International Distributors China Beijing LSI Logic International Services Inc