Depending upon where you look, you may see the Power Mac G5 DIMM slots labeled in different ways; refer to the chart below to help identify specifically which DIMMs are installed within which DIMM slots on the Power Mac G5 computer.
Notes on columns in table:
| Power Mac G5, Single 1.6 GHz model | ||
| As viewed from top to bottom: | ||
| Slot Pair | "J" number | DIMM number |
| 2 | J14 | 3 |
| 1 | J12 | 1 |
| 1 | J11 | 0 |
| 2 | J13 | 2 |
| Power Mac G5 Single 1.8 GHz model, Dual 1.8GHz model, Dual 2.0GHz model Power Mac G5 (June 2004) all models Power Mac G5 (Early 2005) dual 2.3GHz, dual 2.7GHz |
||
| As viewed from top to bottom: | ||
| Slot Pair | "J" number | DIMM number |
| 4 | J44 | 7 |
| 3 | J42 | 5 |
| 2 | J14 | 3 |
| 1 | J12 | 1 |
| 1 | J11 | 0 |
| 2 | J13 | 2 |
| 3 | J41 | 4 |
| 4 | J43 | 6 |
| Power Mac G5 (Late 2004) all models | ||
| As viewed from left to right: | ||
| Slot Pair | "J" number | DIMM number |
| 2 | J4001 | 1 |
| 1 | J4101 | 3 |
| 1 | J4100 | 2 |
| 2 | J4000 | 0 |
| Power Mac G5 (Early 2005) dual 2.0GHz | ||
| As viewed from left to right: | ||
| Slot Pair | "J" number | DIMM number |
| 2 | J14 | 3 |
| 1 | J12 | 1 |
| 1 | J11 | 0 |
| 2 | J13 | 2 |
| Power Mac G5 (Late 2005) all models | ||
| As viewed from top to bottom: | ||
| Slot Pair | "J" number | DIMM number |
| 4 | J7400 | 7 |
| 3 | J7200 | 5 |
| 2 | J7000 | 3 |
| 1 | J6800 | 1 |
| 1 | J6700 | 0 |
| 2 | J6900 | 2 |
| 3 | J7100 | 4 |
| 4 | J7300 | 6 |