Dell Precision 420 Upgrade Manual page 9

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Table 1-1. Sample RIMM Configuration Options (continued)
Total
Desired
RIMMB_1
Memory
512 MB 128 MB
512 MB 256 MB
768 MB 256 MB
1024 MB 256 MB
1024 MB 512 MB
1536 MB 512 MB
2048 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 1-1 for instructions.
2. Turn off the computer and peripherals, disconnect them from their electrical out-
lets, and wait 10 to 20 seconds.
3. If you have a mini-tower computer, lay the computer on its right side.
4. Open the computer cover.
5. Install or remove RIMMs as necessary to reach the desired memory total.
NOTE: For instructions on installing RIMMs, see "Installing a RIMM" on
page 1-7. For instructions on removing RIMMs, see "Removing a RIMM" on
page 1-8.
6. Install CRIMMs in any RIMM sockets that do not contain RIMMs.
7 . If you have a mini-tower computer, stand the computer upright.
RIMM Socket
RIMMA_2 RIMMB_3
128 MB 128 MB
256 MB CRIMM
256 MB 128 MB
256 MB 256 MB
512 MB CRIMM
512 MB 256 MB
512 MB 512 MB
System Memory Upgrade
RIMMA_4
128 MB
CRIMM
128 MB
256 MB
CRIMM
256 MB
512 MB
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