Emerson MVME55006E manual RAM5500 Programming Issues, Serial Presence Detect SPD Data

RAM5500 Programming IssuesRAM55006E Memory Expansion Module

Table 3-2 RAM5500 Connector (P1) Pin Assignments (continued)

Pin	Signal	Signal	Pin
137	DQM1	DQM0	138
139	GND*	GND*	140

3.5RAM5500 Programming Issues

The RAM5500 contains no user programmable register, other than the SPD data.

3.5.1Serial Presence Detect (SPD) Data

This register is partially described for the RAM5500 within the MVME5500 Single Board Computer Programmer’s Reference Guide. The register is accessed through the I2C interface of the GT-64260B on the host board (MVME5500). The RAM5500 SPD is software addressable by a unique address.

MVME55006E Single-Board Computer Installation and Use (6806800A37D) 51