920cds System Board
| Jumper Settings | ||
| Jumper | Function | Pins |
| P1 | Clock Select | 1-2 Processor Clock 30 MHz 2-3 * Processor Clock 33 MHz |
| P3 | DX4 Core Speed | 1-2 DX4-Core runs at 2X clock speed 2-3 DX4-Core runs at 3X clock speed |
| P5 | CMOS | 1-2 * Secure CMOS Remove jumper for 10 seconds to clear password |