HP dc5750 manual Installing Additional Memory, DDR2-SDRAM DIMMs

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Installing Additional Memory

The computer comes with double data rate 2 synchronous dynamic random access memory (DDR2- SDRAM) dual inline memory modules (DIMMs).

DIMMs

The memory sockets on the system board can be populated with up to four industry-standard DIMMs. These memory sockets are populated with at least one preinstalled DIMM. To achieve the maximum memory support, you can populate the system board with up to 4 GB of memory configured in a high- performing dual channel mode.

DDR2-SDRAM DIMMs

For proper system operation, the DDR2-SDRAM DIMMs must be:

industry-standard 240-pin

unbuffered PC2-5300 667 MHz-compliant

1.8 volt DDR2-SDRAM DIMMs

The DDR2-SDRAM DIMMs must also:

support CAS latency 4 and 5 for DDR2/667 MHz

contain the mandatory JEDEC SPD information In addition, the computer supports:

256Mbit, 512Mbit, and 1Gbit non-ECC memory technologies

single-sided and double-sided DIMMs

DIMMs constructed with x8 and x16 DDR devices; DIMMs constructed with x4 SDRAM are not supported

NOTE The system will not start if you install unsupported DIMMs.

12 Chapter 2 Hardware Upgrades

ENWW

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Contents Hardware Reference Guide dc5750 Microtower Model Hardware Reference Guide About This Book Iv About This Book Table of contents Appendix D Electrostatic Discharge Product Features Standard Configuration FeaturesDrive configuration may vary by model Front Panel ComponentsRear Panel Components 2Rear Panel ComponentsKeyboard 3Keyboard ComponentsUsing the Windows Logo Key Special Mouse Functions Serial Number LocationHardware Upgrades Serviceability FeaturesRemoving the Computer Access Panel 1Removing the Computer Access Panel Hardware Upgrades Replacing the Computer Access Panel 2Replacing the Computer Access Panel3Removing the Front Bezel Hardware Upgrades Removing the Front BezelReplacing the Front Bezel 4Replacing the Front BezelInstalling Additional Memory DIMMsDDR2-SDRAM DIMMs Populating Dimm Sockets Description Socket ColorInstalling DIMMs Enww Removing or Installing an Expansion Card DescriptionRemoving or Installing an Expansion Card 9Removing an Expansion Slot Cover Hardware Upgrades 11Removing a PCI Express x16 Expansion Card 12Installing an Expansion Card Hardware Upgrades Enww Drive Positions 14Drive PositionsInstalling Additional Drives 15Disconnecting the Optical Drive Cables Hardware Upgrades Removing an External 5.25-inch or 3.5-inch DriveEnww Installing an External 5.25-inch or 3.5-inch Drive Enww Enww 23Disconnecting the Hard Drive Cables Removing an Internal 3.5-inch Hard DriveEnww Installing an Internal 3.5-inch Hard Drive 27Sliding a Hard Drive into the Drive BayEnww Specifications Power Supply 115V 230VRated Input Current maximum1 Battery Replacement Type Figure B-2Removing and Replacing a Coin Cell Battery Type Enww Installing a Security Lock External Security DevicesCable Lock Padlock Electrostatic Discharge Preventing Electrostatic DamageGrounding Methods Appendix D Electrostatic Discharge Computer Operating Guidelines and Routine Care Safety Optical Drive PrecautionsCleaning Shipping PreparationIndex Enww
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