LSI Ultra160, User Manual

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3-6 Ultra160 SCSI to PCI Host Adapter Characteristics
3.2.4 LSI22915A Host Adapter
The LSI22915A PCI to Dual Channel Ultra160 SCSI Host Adapter
(
Figure 3.4) provides two separate Ultra160 SCSI channels. Both
channel A and channel B of the LSI22915A support LVD and SE as a
SCSI solution for your computer. The SCSI interface is made through
connector J1 or J3 for channel A and J4 or J7 for channel B.
The LSI22915A has these features:
•
Two separate Ultra160 SCSI channels
•
Four connectors
– Two external 68-pin VHDCI connections
– Two internal 68-pin high density connections
•
LVD/SE termination for both channels
Figure 3.4 LSI22915A Mechanical Drawing
LSI53C1010
J4 Channel B
HDR1
Ultra160 SCSI LVD/SE
J3 Channel A
J6 - PCI
Ultra160 SCSI LVD/SE
J7
Ultra160 SCSI LVD/SE
Channel A
Note:
•
J6: PCI 64-bit, universal type board edge connector.
•
J3 and J4: 68-pin high density shielded right-angle internal connectors.
•
J1 and J7: 68-pin VHDCI shielded right-angle external connector.
•
HDR1 and HDR2: Remote Activity Indicator Connection for channel A and channel B.
•
HDR3 and HDR5: Disable Termination for channel A and channel B
•
Subsystem Vendor ID is 1000; Subsystem ID is 1010.
•
Refer to Figure 3.5 (ITI6200U3LP) for LVD Status Indicator information.
J1
Channel B
Ultra160 SCSI LVD/SE
HDR2
Activity
LED
HDR5
B
A
HDR3