B-1
B
B
RAM5500 Memory Expansion
Module
Overview
The RAM5500 memory expansion module can be used on the
MVME5500 as an option for additional memory capability. The expansion
module has two banks of SDRAM with up to 512MB of available ECC
memory. The RAM5500 incorporates a serial ROM (SROM) for system
memory serial presence detect (SPD) data.
Features
The following table lists the features of the RAM5500 memory expansion
module:
Functional Description
The following sections describe the physical and electrical structure of the
RAM5500 memory expansion module.
RAM5500 Description
The RAM5500 is a memory expansion module that is used on the
MVME5500 single board computer. It is based on a single memory
Table B-1. RAM5500 Feature Summary
Form Factor
Dual-sided mezzanine
SROM
Single 256 x 8 I2C SROM for SPD data
SDRAM
Double-bit error detect, single-bit error correct across 72
bits;
512MB mezzanine memory (two banks of 256MB
memory in each) at 133 MHz
