HP ProDesk 400 G5 Micro Hardware Reference Guide - Page 24
Removing or installing an expansion card, possible between Channel A and Channel B.
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3. Open both latches (1) of the memory module socket and insert the memory module into the socket (2). Press the module down into the socket, ensuring that the module is fully inserted and properly seated. Make sure the latches are in the closed position (3). NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket. Populate the black DIMM sockets before the white DIMM sockets. For maximum performance, populate the sockets so that the memory capacity is spread as equally as possible between Channel A and Channel B. 4. Repeat step 3 to install any additional modules. 5. Replace the computer access panel. 6. Reconnect the power cord and any external devices, and then turn on the computer. The computer should automatically recognize the additional memory. 7. Lock any security devices that were disengaged when the access panel was removed. Removing or installing an expansion card The computer has three PCI Express ×1 expansion sockets and one PCI Express ×16 expansion socket. NOTE: You can install a PCI Express ×1, ×8, or ×16 expansion card in the PCI Express ×16 socket. For dual graphics card configurations, the first (primary) card must be installed in the PCI Express ×16 socket. To remove, replace, or add an expansion card: 1. Prepare the computer for disassembly. See Preparing for disassembly on page 6. 2. Remove the computer access panel. See Removing the computer access panel on page 8. 16 Chapter 2 Hardware upgrades
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