Dell PowerEdge 8450 Information Update page 5

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Rack Installation Document
A Dell PowerEdge 8450 Systems Rack Installation Guide is provided with each
PowerEdge 8450 rack kit. Use this document to install the system into a rack cabinet.
This guide supersedes instructions contained in the Installation and Troubleshooting
Guide.
Jumpers, Switches, and Connectors
This section updates jumpers, switches, and connectors information found in the
Installation and Troubleshooting Guide.
•
There are two additional entries for the table titled "I/O Board Connectors and
Sockets":
PHP — PCI hot-pluggable slot indicator LEDs
IDE — CD-ROM drive connector (via the SCSI backplane board)
•
The system configuration switch on the I/O board is either a red switch block
labeled "Open" or a blue switch block labeled "On." Table 1-1 shows the possi-
ble settings for these switches. In the Settings column, Open/Off means Open
or Off, and Closed/On means Closed or On, depending on the switch block that
is installed in your system.
Table 1-1. System-Board Switch Settings
Switch
Position Function
1 Reserved
2 BIOS
recovery
3 Reserved
4 Reserved
5 CMOS
clear
Setting Description
Open/Off Reserved (do not change).
Open/Off The normal BIOS boot sector is used at
system boot (default).
Closed/On The recovery boot sector is used at
system boot.
Open/Off Reserved (do not change).
Open/Off Reserved (do not change).
Open/Off The configuration settings are retained at
system boot (default).
Closed/On The configuration settings are cleared at
next system boot. (If the configuration
settings become corrupted to the point
where the system won't boot, change the
switch setting and boot the system. Reset
the switch to Closed/On before restoring
the configuration information.)
Information Update 1-3