Avago Technologies LSI21040 - Manual (Page 45)

LSI21040 PCI to Dual Channel Ultra160 SCSI Host Adapter 3-1
Chapter 3
Specifying the
Technical
Characteristics
This chapter provides specific details about the physical environment
associated with the LSI21040. This chapter includes these topics:
•
Section 3.1, “Physical Environment,” page 3-1
•
Section 3.2, “Operational Environment,” page 3-4
•
Section 3.3, “Subsystem and Subsystem Vendor ID,” page 3-10
3.1 Physical Environment
This section provides information about the physical, electrical, thermal,
and safety characteristics of the LSI21040. Additionally, this board is
compliant with electromagnetic standards set by the FCC.
3.1.1 Physical Characteristics
The dimensions of the LSI21040 are 6.875 x 3.99 inches. Edge
connector J1 makes the PCI connection.
Connectors J4 for Channel A and J2 for Channel B are the 68-pin high
density connectors that make the internal SCSI connections. J5 is a
50-pin low density vertical connector for Channel B.
Connector J3 is a 68-pin high density connector that makes the external
SCSI connection. The J3 connector extends externally to 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.
Connector J6 provides connection to the computer’s drive activity LED.
This connector is a 4-pin one row right angle header. The left two pins
are for Channel A SCSI activity, while the right two pins are for Channel B
SCSI activity.