Dell E04J001, E04J Series, E03J001 CPU Central processing unit. See processor DC Direct current

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CPU — Central processing unit. See processor.

DC — Direct current.

DDR — Double-data rate. A technology in memory modules that potentially doubles the data rate by transferring data on both the rising and falling pulses of a clock cycle.

device driver — A program that allows the operating system or some other program to interface correctly with a peripheral.

DHCP — Dynamic Host Configuration Protocol. A method of automatically assigning an IP address to a client system.

diagnostics — A comprehensive set of tests for your system.

DIMM — Dual in-line memory module. See also memory module.

DNS — Domain Name System. A method of translating Internet domain names, such as www.example.com, into IP addresses, such as 208.77.188.166.

DRAM — Dynamic random-access memory. A system’s RAM is usually made up entirely of DRAM chips.

driver — See device driver.

DVD — Digital versatile disc or digital video disc.

ECC — Error checking and correction.

EMI — Electromagnetic interference.

ERA — Embedded remote access. ERA allows you to perform remote, or "out-of- band," server management on your network server using a remote access controller.

ESD — Electrostatic discharge.

ESM — Embedded server management.

expansion bus — Your system contains an expansion bus that allows the processor to communicate with controllers for peripherals, such as NICs.

expansion card — An add-in card, such as a NIC or SCSI adapter, that plugs into an expansion-card connector on the system board. An expansion card adds some specialized function to the system by providing an interface between the expansion bus and a peripheral.

expansion-card connector — A connector on the system board or riser board for plugging in an expansion card.

F — Fahrenheit.

FAT — File allocation table. The file system structure used by MS-DOS to organize and keep track of file storage. The Microsoft® Windows® operating systems can optionally use a FAT file system structure.

Fibre Channel — A high-speed network interface used primarily with networked

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Glossary

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Contents Dell PowerVault MD1200 and MD1220 Storage Enclosures October Contents Installing Enclosure Components Troubleshooting Your Enclosure Contents Front-Panel Features and Indicators About Your EnclosureEnclosure power is on Front-Bezel Features and Indicators Connector Hard drives Enclosure mode switchIndicator, Button, or Icon Hard-Drive Indicator Patterns Hard Drive IndicatorsBack-Panel Features and Indicators Enclosure Management Module OUT Lights green when all the links out Enclosure Failover When Two EMMs are Installed Enclosure AlarmsEMM Thermal Shutdown Power Indicator Codes Other Information You May Need Operating Your Storage Enclosure Before You BeginCabling Your Enclosure Connecting the Enclosure Connecting a SAS Cable SAS cable Pull-tab Page Page Host controller Changing Your Enclosure’s Operating Mode Managing Your Storage Enclosure Downloading FirmwareInstalling Enclosure Components Recommended ToolsFront Bezel Optional Removing the Front BezelInstalling the Front Bezel Safety Models AMT, E03J, and E04J Hard DrivesRemoving a Drive Blank Release tab Installing a Drive Blank Removing a Hard DriveInstalling a Hard Drive Removing and Installing a Hard Drive Release buttonRemoving a Hard Drive From a Hard-Drive Carrier Screws Installing a Hard Drive Into a Drive Carrier Removing an EMM BlankInstalling an EMM Blank Removing and Installing an EMM Blank Release latch EMM blankRemoving an EMM Removing and Installing an EMM Power Supply/Cooling Fan Module Installing an EMMRemoving a Power Supply/Cooling Fan Module Removing and Installing a Power Supply/Cooling Fan Module Installing a Power Supply/Cooling Fan Module 10. Securing the Power Cable Velcro strapControl Panel Removing the Control PanelRelease pin Installing the Control Panel BackplaneRemoving the Backplane Page Captive screw Installing the Backplane Installing Enclosure Components Troubleshooting Your Enclosure Troubleshooting Loss of CommunicationTroubleshooting External Connections Troubleshooting Power Supply/Cooling Fan Module Troubleshooting Enclosure Cooling Problems Troubleshooting Enclosure Management Modules Troubleshooting Hard Drives Troubleshooting Enclosure Connections Troubleshooting a Wet EnclosureTroubleshooting a Damaged Enclosure Troubleshooting Your Enclosure Getting Help Contacting DellGetting Help Glossary Amperes AC Alternating currentCPU Central processing unit. See processor DC Direct current Page Page Mm Millimeters Ms Milliseconds Page System memory See RAM Watts Glossary Page Glossary Index Index