5–2 Memory and Microprocessor Configuration

Upgrading SDRAM Memory

5.2 Upgrading SDRAM Memory

You can upgrade memory in the AlphaPC 164LX by adding more DIMMs or

replacing the ones that you have with a greater size. Refer to Figure 2–1 for DIMM

connector locations.

Use the following general guidelines:

1. Observe antistatic precautions. Handle DIMMs only at the edges to prevent

damage.

2. Remove power from the system.

3. Open levers and align the DIMM.

4. Firmly push the module into the connector . E nsure tha t th e DIMM snap s int o the

plastic locking levers on both ends.

5. Restore power to the system.

Table 5–1 AlphaPC 164LX SDRAM Memory Configurations
Bank 0 Bank 1
Total Memory J8 J9 J10 J11
32MB 2Mb X 72 2Mb X 72 ——
64MB 2Mb X 72 2Mb X 72 2Mb X 72 2Mb X 72
4Mb X 72 4Mb X 72 — —
96MB 4Mb X 72 4Mb X 72 2Mb X 72 2Mb X 72
128MB 4Mb X 72 4Mb X 72 4Mb X 72 4Mb X 72
8Mb X 72 8Mb X 72 — —
160MB 8Mb X 72 8Mb X 72 2Mb X 72 2Mb X 72
192MB 8Mb X 72 8Mb X 72 4Mb X 72 4Mb X 72
256MB 8Mb X 72 8Mb X 72 8Mb X 72 8Mb X 72
16Mb X 72 16Mb X 72 — —
512MB 16Mb X 72 16Mb X 72 16Mb X 72 16Mb X 72