HP Tc2120 HP Server Ultra 3 SCSI Host Bus Adapter Installation and Configurati - Page 9

Installing the HP Ultra3 SCSI Host Bus Adapter

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Chapter 1 Primary LVD/SE Segment Installation and Setup Secondary LVD/SE Segment Figure 1-2. Primary and Secondary Bus Segments NOTE If you attach Wide Ultra or Ultra SCSI devices to the LVD/SE connector(s), the data transfer rate for all attached Ultra3 and Ultra2 SCSI devices will drop to Ultra SCSI performance levels. However, if you attach only Ultra3 and Ultra2 SCSI devices to the LVD/SE connector(s), data will be transferred at the maximum possible rate (80 MBytes/sec for Ultra2 devices and 160 MBytes/sec for Ultra3 devices). Installing the HP Ultra3 SCSI Host Bus Adapter 1. Discharge any static electricity build-up before handling the SCSI host bus adapter by touching a grounded metal object (like the exposed metal parts on the back of your HP Server). WARNING Turn OFF power to the HP Server and disconnect the power cord. 2. After you turn off your HP Server and unplug the power cord, remove the cover from the Server. 3

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3
Chapter 1
Installation and Setup
Figure 1-2.
Primary and Secondary Bus Segments
Installing the HP Ultra3 SCSI Host Bus Adapter
1.
Discharge any static electricity build-up before handling the SCSI host bus
adapter by touching a grounded metal object (like the exposed metal parts on the
back of your HP Server).
2.
After you turn off your HP Server and unplug the power cord, remove the cover
from the Server.
NOTE
If you attach Wide Ultra or Ultra SCSI devices to the LVD/SE
connector(s), the data transfer rate for all attached Ultra3 and
Ultra2 SCSI devices will drop to Ultra SCSI performance
levels. However, if you attach only Ultra3 and Ultra2 SCSI
devices to the LVD/SE connector(s), data will be transferred at
the maximum possible rate (80 MBytes/sec for Ultra2 devices
and 160 MBytes/sec for Ultra3 devices).
WARNING
Turn OFF power to the HP Server and disconnect the power
cord.
Primary LVD/SE Segment
Secondary LVD/SE Segment