5 |
Pin Assignments
Memory Expansion Connector (J8) Pin Assignments
This connector is used to provide memory expansion capability. A single memory mezzanine card provides a maximum of 256MB of memory. Attaching another memory mezzanine to the first mezzanine provides an additional 512MB of expansion memory. The pin assignments for this connector are as follows:
Table 5-3. Memory Expansion Connector Pin Assignments
Pin |
| Assignment | Pin | ||
|
|
|
|
|
|
1 | GND |
|
| GND | 2 |
|
|
|
|
|
|
3 | DQ00 |
|
| DQ01 | 4 |
|
|
|
|
|
|
5 | DQ02 |
|
| DQ03 | 6 |
|
|
|
|
|
|
7 | DQ04 |
|
| DQ05 | 8 |
|
|
|
|
|
|
9 | DQ06 |
|
| DQ07 | 10 |
|
|
|
|
|
|
11 | +3.3V |
|
| +3.3V | 12 |
|
|
|
|
|
|
13 | DQ08 |
|
| DQ09 | 14 |
|
|
|
|
|
|
15 | DQ10 |
|
| DQ11 | 16 |
|
|
|
|
|
|
17 | DQ12 |
|
| DQ13 | 18 |
|
|
|
|
|
|
19 | DQ14 |
|
| DQ15 | 20 |
|
|
|
|
|
|
21 | GND |
|
| GND | 22 |
|
|
|
|
|
|
23 | DQ16 |
|
| DQ17 | 24 |
|
|
|
|
|
|
25 | DQ18 |
|
| DQ19 | 26 |
|
|
|
|
|
|
27 | DQ20 |
|
| DQ21 | 28 |
|
|
|
|
|
|
29 | DQ22 |
|
| DQ23 | 30 |
|
|
|
|
|
|
31 | +3.3V |
|
| +3.3V | 32 |
|
|
|
|
|
|
33 | DQ24 |
|
| DQ25 | 34 |
|
|
|
|
|
|
35 | DQ26 |
|
| DQ27 | 36 |
|
|
|
|
|
|
37 | DQ28 |
|
| DQ29 | 38 |
|
|
|
|
|
|
39 | DQ30 |
|
| DQ31 | 40 |
|
|
|
|
|
|
41 | GND |
|
| GND | 42 |
|
|
|
|
|
|
43 | DQ32 |
|
| DQ33 | 44 |
|
|
|
|
|
|
45 | DQ34 |
|
| DQ35 | 46 |
|
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