Dell Precision 620 System Documentation Update (Memory Upgrade) - Page 10

Table 1. Sample Factory-Installed RIMM Configurations (per MEC) (continued) For Total Desired Memory: Populate both MECs as follows: RIMM1_A (top) RIMM2_A RIMM3_B RIMM4_B (bottom) 2048 MB Empty CRIMM 512 MB 512 MB 2560 MB CRIMM 256 MB 512 MB 512 MB 3072 MB 256 MB 256 MB 512 MB 512 MB 3072 MB CRIMM 512 MB 512 MB 512 MB To upgrade memory, perform the following steps. NOTICE: See "Protecting Against Electrostatic Discharge" in your System Information Guide. CAUTION: Before you remove your computer cover, see "Safety First-For You and Your Computer" in your system User's Guide. 1. If you have not already done so, upgrade the BIOS. See "Upgrading the BIOS" on page 1 for instructions. 2. Turn off the computer and peripherals, disconnect them from their electrical outlets, and wait 10 to 20 seconds. 3. Lay the computer on its right side. 4. Open the computer cover. 5. To lift the MEC from the system board, rotate the MEC cover up and remove the MEC from the computer (see Figure 1). NOTE: For instructions, see "Removing and Installing a Memory Expansion Card" in your system User's Guide. 6. Repeat Step 5 for the other MEC. 7. Install or remove RIMMs and CRIMMs as necessary to reach the desired memory total. NOTE: For instructions on installing RIMMs, see "Installing a RIMM" on page 8. For instructions on removing RIMMs, see "Removing a RIMM" on page 9. 8. Reinstall both MECs on the system board. NOTE: For instructions, see "Removing and Installing a Memory Expansion Card" in your system User's Guide. 9. Close the computer cover. 10. Stand the computer upright. 6 System Memory Upgrade