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Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the optical-drive data cable. 3. Disconnect the optical-drive power cable. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at 4. Lift the drive-release latch and slide the drive towards the back of the computer. 5. Lift the optical drive up and away from the computer. Replacing the Optical Drive To replace the optical drive, perform the steps above in reverse order. Back to Contents Page Back to Contents Page Removing and Replacing Parts Dell™ OptiPlex™ 380 Service Manual—Desktop Back to Contents Page Cover Hard Drive Riser Assembly Standard Back Plate Heat Sink and Processor Coin-Cell Battery I/O Panel Optical Drive Secondary Hard Drive (Optional) Expansion Cards Memory Power Supply Fan System Board Back to Contents Page Power Supply Dell™ OptiPlex™ 380 Service Manual—Desktop Removing the Power Supply 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the optical drive. 3. Remove the secondary hard drive (if present). 4. Remove the hard drive. 5. Disconnect the main power connector from the system board. 6. Disconnect the processor power connector from the system board. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at 7. Release the processor power connector cable from their routing guides under the system board. 8. Remove the screws that secure the power supply to the back of the chassis. 9. Press the power-supply release latch at the bottom of the chassis and then slide the power supply towards the front of the computer. 10. Lift the power supply up and away from the computer. Replacing the Power Supply To replace the power supply, perform the above steps in reverse order. Back to Contents Page Back to Contents Page Riser Assembly Dell™ OptiPlex™ 380 Service Manual—Desktop Removing the Riser Assembly 1. Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the PS/2 serial-port cable from the system board. 3. Pivot the riser-assembly handle to an upright position. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at 4. Pull up on the riser-assembly, and lift the riser assembly up and away from the computer. 5. Rotate the card retention latch upwards. 6. Pull the card release latch on the riser board away from the card and ease the card out of its connector. Replacing the Riser Assembly To replace the riser assembly, perform the above steps in reverse order. Back to Contents Page Back to Contents Page Secondary Hard Drive (Optional) Dell™ OptiPlex™ 380 Service Manual—Desktop Removing the Secondary Hard Drive (Optional) 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the optical drive from the computer. 3. Disconnect the hard-drive data cable from the hard drive. 4. Disconnect the hard-drive power cable from the hard drive. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at 5. Pull up on the release latch, and then slide the hard drive towards the back of the computer. 6. Lift the hard drive and remove it from the computer. Replacing the Secondary Hard Drive (Optional) To replace the secondary hard drive, perform the above steps in reverse order. Back to Contents Page Back to Contents Page Specifications Dell™ OptiPlex™ 380 Service Manual—Desktop System Information Memory Audio Expansion Bus Drives System Board Connectors Physical Processor Video Network Cards External Connectors Power Environmental NOTE: Offerings may vary by region. For more information regarding the configuration of your computer, click Start® Help and Support and select the option to view information about your computer. System Information Chipset Intel® G41 Express chipset DMA channels eight Interrupt levels 24 BIOS chip (NVRAM) 16 Mb (2 MB) Processor Type Intel Core™2 Quad, Core2 Duo, Intel Pentium® Dual-Core, Intel Celeron® Dual-Core, Intel Celeron Level 2 (L2) cache 512 KB – 12 MB (depending on processor model) Memory Type DDR3 SDRAM (non-ECC memory only) Speed 1067 MHz Connectors two Capacity 1 GB or 2 GB Minimum memory 1 GB Maximum memory 4 GB Video Integrated Intel GMA X4500 Discrete PCI-E x16 half-length graphics card with two DVI and one S-Video out, or one DVI, one VGA, and one S-Video out: NVIDIA GeForce 9300 GE – 256 MB ATI Radeon™ HD 3450 – 256 MB Audio In...