HP ProLiant 4500 Compaq ProLiant 4500 Servers Maintenance and Service Guide - Page 76

SCSI Devices

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4-2 Switch and Jumper Information System Maintenance Switch SW1 The following table defines the function for each switch setting of SW1. The default positions are indicated below. Table 4-1 System Maintenance Switch Settings - SW1 Switch Function 1 Video Disable 2 Configuration Lock 3 Chassis Set to ON Disables the integrated video controller Disables configuration changes System is installed in a rack chassis 4 Diskette Boot Override 5 Power-On Password Enables system booting from the diskette drive regardless of the configuration setting Clears passwords 6 Configuration Memory Clear Clears the configuration memory Set to OFF Default. Enables the integrated video controller Default. Enables configuration changes Default. System is installed in a tower chassis Default. System booting from the diskette drive is controlled by the configuration settings. Default. System booting is password protected if a password is set. Default. SCSI Devices The Pluggable Fast-Wide SCSI-2 and the Fast-SCSI-2 hard drives automatically set the SCSI ID when plugged into the ProLiant 4500 Server. If the drives are part of a fault tolerant configuration, the replaced drive will automatically begin rebuilding when it is installed. NOTE: It is not necessary to set the SCSI ID jumpers on a replacement drive. The SCSI ID is set automatically by the backplane board when the drive is installed. The 32-Bit Fast-Wide SCSI-2 and the Fast-SCSI-2 Controller requires that a SCSI ID be set for each SCSI device. The SCSI ID is set by jumpers ID2, ID1, and ID0 located on each SCSI device. Table 4-2 shows the jumper settings for each SCSI ID and its recommended drive bay. The following figure shows the physical locations of jumpers ID2, ID1, and ID0 on supported options. Maintenance and Service Guide

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4-2
Switch and Jumper Information
Maintenance and Service Guide
System Maintenance Switch SW1
The following table defines the function for each switch setting of SW1. The default positions are
indicated below.
Table 4-1
System Maintenance Switch Settings - SW1
Switch
Function
Set to ON
Set to OFF
1
Video Disable
Disables the integrated
video controller
Default
.
Enables the
integrated video controller
2
Configuration Lock
Disables configuration
changes
Default
.
Enables
configuration changes
3
Chassis
System is installed in a
rack chassis
Default
. System is
installed in a tower
chassis
4
Diskette Boot
Override
Enables system booting
from the diskette drive
regardless of the
configuration setting
Default
. System booting
from the diskette drive is
controlled by the
configuration settings.
5
Power-On Password
Clears passwords
Default
.
System booting
is password protected if a
password is set.
6
Configuration
Memory Clear
Clears the configuration
memory
Default
.
SCSI Devices
The Pluggable Fast-Wide SCSI-2 and the Fast-SCSI-2 hard drives automatically set the SCSI ID
when plugged into the ProLiant 4500 Server.
If the drives are part of a fault tolerant
configuration, the replaced drive will automatically begin rebuilding when it is installed.
NOTE:
It is not necessary to set the SCSI ID jumpers on a replacement drive.
The SCSI ID is set automatically by the backplane board when the drive
is installed.
The 32-Bit Fast-Wide SCSI-2 and the Fast-SCSI-2 Controller requires that a SCSI ID be set for
each SCSI device.
The SCSI ID is set by jumpers ID2, ID1, and ID0 located on each SCSI
device.
Table 4-2 shows the jumper settings for each SCSI ID and its recommended drive bay.
The following figure shows the physical locations of jumpers ID2, ID1, and ID0 on supported
options.