LSI Ultra160, User Manual

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Host Adapter Characteristics 3-9
3.2.7 LSI21040 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
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.
LSI53C1010
J4
J2
J5
J6-LED
Channel A - Ultra160 SCSI LVD/SE
J3
Channel A
J2 Channel B - Ultra Wide SCSI SE
J5 Channel B - Ultra, Fast, and SCSI-1 SE
Ultra160 SCSI LVD/SE