Hardware Upgrades
Installing Additional Memory
The computer comes with double data rate 2 synchronous dynamic random access memory
DIMMs
The memory sockets on the system board can be populated with up to three
DDR2-SDRAM DIMMs
For proper system operation, the DIMMs must be:
■
■unbuffered
■1.8 volt
■support CAS latency 4 (CL = 4) for DDR2/533 MHz
■contain the mandatory Joint Electronic Device Engineering Council (JEDEC) DDR2 DIMM specification
In addition, the system supports:
■256Mbit, 512Mbit, and 1Gbit
■
■DIMMs constructed with x8 and x16 DDR devices; DIMMs constructed with x4 SDRAM are not supported.
✎The system will not start if you install unsupported DIMMs.
Refer to the Computer Setup (F10) Utility Guide on the Documentation and Diagnostics CD for information on how to determine the processor bus frequency of a specific computer.
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