Memory Expansion Connector (P4)
http://www.motorola.com/computer/literature
5-29
5
Note
Rows A and C and Z’s (Z1, 3, 5, 7, 9, 11, 13, 15, and 17)
functionality is provided by the IPMC761 in slot 1 and the
MVME5500 Ethernet port 2.
Memory Expansion Connector (P4)
One 140-pin connector is used to provide memory expansion capability.
This connector interfaces to up to two additional banks of memory. The pin
assignments for this connector are as follows:
Note
If a PMC module is plugged into PMC slot 1, the memory
mezzanine card cannot be used because the PMC module covers
the memory mezzanine connector.
Table 5-19. Memory Expansion Connector (P4) Pin
Assignments
Pin
Signal
Signal
Pin
1
GND
GND
2
3
MD0
MD1
4
5
MD2
MD3
6
7
MD4
MD5
8
9
MD6
MD7
10
11
+3.3V
+3.3V
12
13
MD8
MD9
14
15
MD10
MD11
16
17
MD12
MD13
18
19
MD14
MD15
20
21
GND
GND
22
23
MD16
MD17
24
25
MD18
MD19
26
27
MD20
MD21
28