Memory Configuration Guidelines Total Memory | Dell T105 Systems

Table 3-2. Memory Configuration Guidelines

Total Memory	DIMM_1	DIMM_2	DIMM_3	DIMM_4

512 MB	512 MB	none	none	none
1 GB	1 GB	none	none	none
2 GB	2 GB	none	none	none
1 GB	512 MB	512 MB	none	none
2 GB	512 MB	512 MB	512 MB	512 MB
2 GB	1 GB	1 GB	none	none
3 GB	1 GB	1 GB	512 MB	512 MB
3 GB	512 MB	512 MB	1 GB	1 GB
4 GB	2 GB	2 GB	none	none
4 GB	1 GB	1 GB	1 GB	1 GB
5 GB	2 GB	2 GB	512 MB	512 MB
5 GB	512 MB	512 MB	2 GB	2 GB
6 GB	2 GB	2 GB	1 GB	1 GB
6 GB	1 GB	1 GB	2 GB	2 GB
8 GB	2 GB	2 GB	2 GB	2 GB

Addressing Memory With 8-GB Configurations (Microsoft® Windows® Operating System Only)

Your system supports a maximum of 8 GB of memory using four 2-GB memory modules. Current operating systems can use a maximum of 8 GB of address space; however, the amount of memory available to the operating system is slightly less than 8 GB.

NOTE: Depending on the type of PCI/PCIe expansion cards that are installed in your system, your system may only support a maximum of 7.4 GB of memory or less.

The following components require address space:

•System ROM

•Advanced Programmable Interrupt Controllers (APIC)

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Installing System Components

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Dell T105 Systems owner manual Memory Configuration Guidelines Total Memory, MB None

Contents

W . d e l l . c o m s u p p o r t . d e l l . c o m March JN551 Contents Sata Configuration Screen Integrated Devices Screen Memory Information Screen Hard Drive Installation Guidelines Removing a Memory Module Installing a Memory ModuleMicrosoft Windows Operating Removing the Cooling Fans Replacing the Cooling Fans Removing the Power Supply Installing the Power Supply Installing the System BoardRemoving the System Board 103 Troubleshooting a Hard Drive 120 108113 119 Disabling a Forgotten Password 135 Automated Order-Status Service 139131 133 Glossary Index Contents Other Information You May Need About Your System Accessing System Features During Startup Front-Panel Features and Indicators System, the power is turned off Low power stateSteady amber a Bios failure Problem with the power supply USB connectors NIC connector Video connector Back-Panel Features and IndicatorsExpansion-card slots About Your System NIC Indicator Codes Connecting External DevicesLink indicator Power Supply Indicators NIC Indicator Codes Indicator Type Description Activity OffNIC is disabled in the System Setup Network or the NIC is disabled in the System Diagnostic Lights Diagnostic Indicator Codes CausesBios checksum failure Information only Installed in your system Troubleshooting Your SystemDrive installed in your system. If Diskette drive or hard System Messages Installed. See Spelled the commandProcessors. See List of supported Error Drive on Nvram jumper is After an Nvram jumper Installed Is installed, runSee Using the System Setup Program on Command Processor cooling Ensure that Fan is faulty or the fanAssembly is not Installed correctly Troubleshooting System Cooling Shroud assembly are Insert a bootableTrying to boot from a Diskette or CD Cable or connector See Troubleshooting Hard drive does not Operating system or Have a bootable Installed on it If the problem persistsDiskette Diskette drive or your An attached device is See Troubleshooting Improperly configured Your System onEnsure that all network Detected Cards and connections Disk reset Faulty diskette driveIf the problem persists, see Getting Help on Operation failed Diskette Drive on 116 or Be faulty Can be ignored. If Memory has not been Replace the faultyBoard might be Diagnostics. See Malfunctioning Memory has been If memory has been Has occurred Diagnostics. See Dimm configuration Reinstall the memoryInstalled memory Is unsupported. Modules and, if Diagnostics Messages Alert Messages Entering the System Setup Program Responding to Error Messages Using the System Setup Program Right arrow You can also type the appropriate value EnterBack to the option menu Selected field System Setup Options Exiting the System Setup ProgramMain Screen Or DVD drive. See Sata Configuration Screen on Boot SequenceTo the device indicates that the boot device is enabled You to enable at least one of the devices Memory Information Screen Main System Options OptionDescription Sata Configuration Screen CPU Information Screen Integrated Devices Screen System Security Screen System and Setup Password Features Reporting Default is EnabledExit Screen System Security Screen Option Description Chassis Intrusion Using the System Password Using the System Setup Program Using the Setup Password Disabling a Forgotten Password See Disabling a Forgotten Password on Using the System Setup Program Installing System Components Recommended Tools Inside the System 101 Power supply Inside the System Opening the System Closing the System Front Drive Bezel Opening and Closing the System Release tab Removing the Front Drive Bezel Replacing the Front Drive Bezel Removing an Insert on the Front Drive Bezel Replacing an Insert on the Front Drive Bezel Removing and Inserting Blank Drive Inserts Inch drive Removing the Diskette Drive Diskette DriveDrive blank alignment screw Diskette drive shoulder screw Installing a Diskette Drive Connect the P7 power cable to the drive. See Figure Installing Diskette Drive Shoulder Screws Diskette drive ribbon cable Sata power convert cableCable clip Optical and Tape Drives Removing an Optical or Tape Drive Optical drive shoulder screw Optical drive Drive bay screw slots Installing an Optical or Tape Drive 11. Installing Optical or Tape Drive Shoulder Screws Scsi cable System board Installing System Components Sata power cable Cable clip Sata optical disk cable Hard Drives Hard Drive Installation GuidelinesRemoving a Hard Drive Hard drive in primary hard drive bay Installing a Hard Drive 15. Installing a Hard Drive in a Drive Bracket Hard drive Page Power cable to hard drive female Expansion Cards Removing an Expansion Card 18. Removing and Installing an Expansion Card Expansion card Installing an Expansion Card SAS Controller Expansion Card Power cable Hard disk drive fan SAS cableShroud Retaining clip on top of heat sink fan shroud Memory Module Installation Guidelines Memory Module Upgrade KitsMemory Memory Configuration Guidelines Total Memory 512 MB None Installing a Memory Module Removing a Memory Module Memory module socket ejectors Microprocessor Removing the Processor Installing System Components 21. Installing and Removing the Heat Sink Captive screws Replacing the Processor Socket Processor Cooling Fans Removing the Cooling Fans Slide the fan toward the back panel and lift the fan out Bracket mount Replacing the Cooling Fans Installing System Components System Battery Heat sink fan Removing the System Battery Installing the System Battery Power Supply Removing the Power Supply 27. Removing the Power Supply Power supply release tab Screws Cable clip Installing System Components Installing the Power Supply Chassis Intrusion SwitchRemoving the Chassis Intrusion Switch Installing the Chassis Intrusion Switch Intrusion connector Bezel Service Only Parts Procedure Removing the Bezel Replacing the Bezel Bezel Alignment tab Panel Assembly Service Only Parts Procedure Removing the I/O Panel Assembly Replacing the I/O Panel Assembly Holding tab on the chassis Panel ribbon cable System Board Service Only Parts Procedure Removing the System Board Installing the System Board 101 Installing System Components Start-Up Routine Safety First-For You and Your System103 Troubleshooting External Connections Troubleshooting the Video SubsystemMonitor is not working properly Video memory is faulty Problem Troubleshooting the Mouse Troubleshooting the Keyboard105 Troubleshooting Serial I/O Problems Troubleshooting a USB Device Troubleshooting a Serial I/O Device107 Troubleshooting a NIC NIC cannot communicate with network Liquid spilled on the system Excessive humidity Troubleshooting a Wet System109 Troubleshooting a Damaged System System was dropped or damaged Troubleshooting the System Battery 111 Troubleshooting Power Supply Power-supply fault indicator is blinking amber Troubleshooting a Fan Troubleshooting System Cooling Problems113 Troubleshooting System Memory 115 Troubleshooting a Diskette Drive Error message indicates a diskette drive problem 117 Troubleshooting an Optical Drive Troubleshooting an External Scsi Tape Drive 119 Troubleshooting a Hard Drive 121 Troubleshooting a SAS or SAS RAID Controller 122 Troubleshooting Expansion Cards 123 Troubleshooting Your System Troubleshooting the Microprocessor 125 Troubleshooting Your System System Diagnostics Features Using Dell PowerEdge Diagnostics127 Running the System Diagnostics When to Use the System DiagnosticsSystem Diagnostics Testing Options Using the Custom Test Options Selecting Devices for TestingSelecting Diagnostics Options 129 Viewing Information and Results System Board Jumpers Jumpers and Connectors131 132 System Board Connectors 133 32-bit, 33-MHz PCI 134 Disabling a Forgotten Password 135 136 137 Obtaining AssistanceGetting Help Online Services Automated Order-Status Service Support ServiceProduct Information 139 Before You Call Returning Items for Warranty Repair or Credit140 141 Customer Service, Sales Contacting Dell142 Online Support Mail Address 143 144 145 Online Support International Access Customer Service Fax146 Code Technical Support Country Code Penang, Malaysia Customer Service Penang Status Service Transaction Sales Penang147 Malaysia 148 149 150 151 152 153 154 155 156 157 158 159 160 Japan Dimension, Inspiron Technical Support DellPrecision, OptiPlex, Latitude Technical Support outside City Code Customer Service Dimension, PDA Electronics, Accessories Sales161 Code Computers only Country Code Technical Support 162 Status Service Transaction Sales Customer Service, Sales Getting Help163 Country Code Sales Customer Service Relational Customer 164Relational Sales Fax Relational Sales Fax Technical Support for XPS Computers only Customer Service 165Code Country Code Technical Support Business, Education, Service Home/Small Business Customer Service SwitchboardFax Switchboard 166 Code Customer Service Phone Code Customer ServiceCustomer Service Sales Getting Help 167 168 169 170 Customer Service Employee PurchaseProgram EPP Support Technical Support Fax 171 172 173 Amperes AC Alternating current 174 Celsius 175 176 177 178 179 180 181 182 System diskette See bootable disketteTCP/IP Transmission Control Protocol/Internet Protocol 183 184 185 Index Error messages, 31 systems management Dimm sockets 187 Post 189 Index