改造等に必要なピンの場所を示します。
VID0 AL35
VID1 AM36
VID2 AL37
VID3 AJ37
BSEL0 AJ33
BSEL1 AJ31
VID0−３は コア電圧の制御用でBSEL0,1はＦＳＢの制御用です。
1=Open
0=Pin connected to Vss(GND pin)
Vcore celect
| VID3 | VID2 | VID1 | VID0 | Vcc core |
| 1 | 1 | 1 | 1 | 1.30 |
| 1 | 1 | 1 | 0 | 1.35 |
| 1 | 1 | 0 | 1 | 1.40 |
| 1 | 1 | 0 | 0 | 1.45 |
| 1 | 0 | 1 | 1 | 1.50 |
| 1 | 0 | 1 | 0 | 1.55 |
| 1 | 0 | 0 | 1 | 1.60 |
| 1 | 0 | 0 | 0 | 1.65 |
| 0 | 1 | 1 | 1 | 1.70 |
| 0 | 1 | 1 | 0 | 1.75 |
| 0 | 1 | 0 | 1 | 1.80 |
| 0 | 1 | 0 | 0 | 1.85 |
| 0 | 0 | 1 | 1 | 1.90 |
| 0 | 0 | 1 | 0 | 1.95 |
| 0 | 0 | 0 | 1 | 2.00 |
| 0 | 0 | 0 | 0 | 2.05 |
| 1 | 1 | 1 | 1 | No Core |
Frequency Select
| BSEL1 | BSEL0 | Frequency |
| 0 | 0 | 66MHz |
| 0 | 1 | 100MHz |
| 1 | 0 | Reserved |
| 1 | 1 | 133MHz |