Dell PowerEdge 2550 - Manual (Page 64)

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Installing System Board Options
Dell™ PowerEdge™ 2550 Systems Installation and Troubleshooting Guide
Expansion Cards
Adding Memory
Upgrading the Microprocessor or Installing a Secondary Microprocessor
Activating the Integrated RAID Controller
Replacing the Battery
This section describes how to install expansion cards, memory, and microprocessors and how to activate the system's integrated redundant array of
independent disks (RAID) controller. Instructions for replacing the system battery are also included.
Use Table 8 -1 and Figure 8 -1 to locate the system board features.
Table 8-1. System Board Connectors and Sockets
Figure 8-1. System Board Features
WARNING: Before you perform the procedures in this section, you must turn off the system and disconnect it from its electrical outlet. For more
information, see "
Safety First—For You and Your Computer " in "Checking Inside the System."
Connector or Socket Description
BACKPLANE SCSI backplane board interface cable connector
BATTERY Battery connector
COMn Serial port connectors
DIMM_x Memory module sockets
DIMM_RAID Memory module socket for integrated RAID controller
INTRUS Intrusion-alarm switch connector
KYBD Keyboard connector
MOUSE Mouse connector
NICn NIC connector
PANEL System control panel connector
PARALLEL Parallel port connector
POWERn Power connectors
PROC_n Microprocessor connectors
RAID_KEY Socket for integrated RAID controller hardware key
RAID_BATTERY Connector for integrated RAID controller battery
RISER PCI riser board connector
SCSIA, SCSIB SCSI host adapter connectors
USBn USB connectors
VGA Video connector
VRMn Primary and secondary VRM connectors
NOTE: For the full name of an abbreviation or acronym used in this table, see " Abbreviations and Acronyms ."