Type A1 Board
Processor Settings
| Function | Jumper | 3:2 | 2:1 | 5:2 | 3:1 |
| Core/Bus Frequency Ratio | JP10 | | 2-3 | 1-2 | 1-2 | 2-3 |
| JP11 | 2-3 | 2-3 | 1-2 | 1-2 |
| Function | Jumper | 66.6Mhz | 60Mhz | 55Mhz |
| System Bus Clock | J35 | 1-2, 3-4 | 3-4 | Open |
Type A2 Board
Processor Settings
| Function | Jumper | 3:2 | 2:1 | 2.5:1 | 3:1 |
| Core/Bus Frequency Ratio | JP3 | | 1-3, 2-4 | 3-5, 2-4 | 3-5, 4-6 | 1-3, 4-6 |
| Function | Jumper | 66.6Mhz | 60Mhz | 50Mhz |
| System Bus Clock | JP2 | 1-3, 2-4 | 3-5, 4-6 | 3-5, 2-4 |
. DON5408's Unofficial Aptiva Support Site
� 1998, Don Schneider