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3.3.3 Memory
3.3.3.1.
SDRAM System Memory
The cPCI-MXS64 supports three 168-pin DIMM (Dual In-Line Memory Module) sockets
for memory configuration from 128MB to 768MB of Synchronous DRAM in 4HP
configuration and from 64MB to 768MB in 8HP configuration.
The memory characteristics must conform to the following:
1.15 inch height, 168-pin DIMM.
Standard 3.3V only.
64-bit and 72-bit modules, single-sided or double-sided.
Unbuffered 100MHz (SDRAM).
Serial Presence Detect (SPD) EEPROM.
Errors Checking and Correction (ECC) capabilities or parity bit with 72-bit
modules.
Compliant with Intel's PC SDRAM Unbuffered DIMM Specification (100MHz)
Rev. 1.0.
Modules can be installed in any socket and order. The total system memory is equal to the
sum of the memory module size installed in the three DIMM sockets.
NOTE
When populating with more than one memory module, each socket must be
installed with the same memory type (64/72-bit), however the capacity of
each module may be different from the other.
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Installing the Board
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