Technical data

Connector Pin Assignments
http://www.mcg.mot.com/literature 5-5
5
Memory Mezzanine Connector 1 - J22
Connector J22 is a standard double-row 100-pin socket connector mounted
on the MVME172LX Embedded Controller PWB. It connects to a
corresponding 100-pin plug connector on the ECC DRAM mezzanine
board and (together with J15) carries the DRAM address, data, and control
signals to and from the mezzanine board. The following table lists the pin
assignments for J22.
Table 5-5. Mezzanine Connector J22 Pin Assignments
1GND LD1 2
3LD0 LD3 4
5 LD2 GND 6
7LD4 LD5 8
9GND LD7 10
11 LD6 LD9 12
13 LD8 GND 14
15 LD10 LD11 16
17 GND LD13 18
19 LD12 LD15 20
21 LD14 GND 22
23 LD16 LD17 24
25 GND LD19 26
27 LD18 LD21 28
29 LD20 GND 30
31 LD22 LD23 32
33 GND LD25 34
35 LD24 LD27 36
37 LD26 GND 38
39 LD28 LD29 40
41 GND LD30 42
43 DRAM_PD0 LD31 44