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2 physical environment, Physical environment, Lsi20860 board hardware – LSI 20860 User Manual

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General Description

1-3

Figure 1.1

LSI20860 Board Hardware

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.

Internal

P1

External
SCSI Interface
connector J3

J1 to PCI Mainboard connector

SCSI Interface

connector J2