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Chapter 6
System Memory
6.
System Memory
The MOPSlcdLX uses only 200-pin Small Outline-Dual Inline Memory Modules (SODIMMs). One socket is
available for 2.5/2.6 Volt (power level) unbuffered PC-2100 (DDR200) up to PC-3200 (DDR400) Double Data
Rate Synchronous Dynamic Random Access Memory (DDR-SDRAM) of up to 1 GB.
Attention: DDR400 modules can only be operated with DDR333.
Two additional entries in the Setup of the System BIOS ('Mem Controller Buffering' and 'Mem Controller
Line Delay') are improved stability of the board while using DDR333 RAM modules. A 'Line Delay' of 2 is the
best setting for most modules.
The total amount of memory available on the SDRAM module is used for main memory and graphic memory
on the MOPSlcdLX. Shared Memory Architecture (SMA) manages the sharing of the system memory between
graphic controller and processor. Therefore, the full memory size is not available for software applications.
Up to 254 MB of system memory are used as graphic memory.
To find the location of the SDRAM socket J8000 on the MOPSlcdLX board, please see the Appendix "Con-
nector Layout".
Kontron User's Guide MOPSlcdLX
13
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