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Host Adapter Characteristics 3-3
3.2.1 LSI20160 Host Adapter
The LSI20160 PCI to Single Channel Ultra160 SCSI Host Adapter
(Figure 3.1) provides one Ultra160 SCSI channel. The LSI20160 board
supports Low Voltage Differential (LVD) and Single-Ended (SE) SCSI.
The SCSI interface is made through connectors J2 and J4.
The LSI20160 has these features:
• One Ultra160 SCSI channel
• Two connectors
– One external 68-pin VHDCI connection
– One internal 68-pin high density connection
• LVD/SE SCSI termination for the external connection; LVD SCSI only
for internal connection
Figure 3.1 LSI20160 Mechanical Drawing
Note:
• J1: PCI 32-bit universal type board edge connector.
• J2: 68-pin VHDCI connector for external SCSI connection.
• J4: 68-pin high density internal SCSI connection.
• J3: 4-pin low density unshrouded right-angle LED connector.
• Subsystem Vendor ID is 1000.
• Subsystem ID is 1060.
J1T-PCI
J4
J3 LED
LSI53C1000
Channel A
Ultra160 SCSI LVD only
J2
Channel AI
Ultra160 SCSI LVD/SE