3.2.7LSI21040 Host Adapter

The LSI21040 PCI to Dual Channel Ultra160 SCSI host adapter

(Figure 3.7) provides 16-bit LVD and SE solutions for your computer. Channel A supports LVD/SE modes of operation, while channel B supports only the SE mode.

The LSI21040 board has these features:

Ultra160 SCSI for channel A to 160 Mbytes/s per data transfer; Ultra SCSI SE for channel B to 40 Mbytes/s per data transfer

Four connectors

One external 68-pin high density connection

Two internal 68-pin high density connections

One internal 50-pin low density legacy connections for channel B

LVD/SE termination on channel A automatically; SE termination on channel B automatically

Figure 3.7 LSI21040 Mechanical Drawing

J4

J2

Channel A - Ultra160 SCSI LVD/SE

J6-LED

J5

J2 Channel B - Ultra Wide SCSI SE

J5 Channel B - Ultra, Fast, and SCSI-1 SE

J3

Channel A

Ultra160 SCSI LVD/SE

LSI53C1010

J1T - PCI

Note:

J1: PCI 64-bit, universal type board edge connector.

J2 and J4: 68-pin high density shielded latching right-angle internal connectors.

J3: 68-pin high density shielded right-angle external connector.

J5: 50-pin low density shrouded vertical internal connector.

J6: 4-pin low density unshrouded right-angle LED connector.

Subsystem Vendor ID is 1000.

Subsystem ID is 1040.

Host Adapter Characteristics

3-9