RAM5006E-016 Emerson Network Power, RAM5006E-016 Datasheet - Page 70

• Manufacturer Part Number: RAM5006E-016
• Manufacturer: Emerson Network Power

Specifications of RAM5006E-016

• Lead Free Status / RoHS Status: Compliant

RAM500 Programming Issues
Serial Presence Detect (SPD) Data
52
5 RAM500 Memory Expansion Module
MVME51005E Single Board Computer Installation and Use (6806800A38B)
Table 5-4. RAM500 Top Side Connector (J1)Pin Assignments (continued)
*Common GND pins mate to GIGA assemblies with ground plates.
The RAM500 contains no user programmable registers, other than the Serial Presence Detect
(SPD) Data.
This register is partially described for the RAM500 within the MVME5100 Single Board
Computer Programmer’s Reference Guide. The register is accessed through the I
of the Hawk ASIC on the host board (MVME5100). The RAM500 SPD is software addressable
by a unique address as follows: The first RAM500 attached to the host board has has an SPD
address of $AA. The second RAM500 attached to the top of the first RAM500 has an SPD
address of $AC.
127
129
131
133
135
137
139
A1_SPD
GND*
GND
SDA
SDRAMCLK3
SDRAMCLK4
MEZZ2_L
+3.3V
GND*
GND
128
130
132
134
136
138
140
2
C interface