 Acer File Extensions |
Compaq Presario 800 Series
Processor Configurations (System Board 003421, 003422, 003516, 004107)
| Jumper | 486SX | ODPR 486SX2 486DX/DX2 | ODP 487SX | Pentium ODP |
|---|---|---|---|---|
| P2 | 1-2 | 2-3 | 2-3 | 2-3 |
| P3 | 1-2 | 2-3 | 2-3 | 2-3 |
| P4 | 3-4 | 1-2 | 2-3 | 2-3 |
| P6 | 1-2 | 1-2 | 1-2 | 2-3 |
Jumper Settings (System Board 003421, 003422, 003516, 004107)
| Jumper | Function | Pins | Function |
|---|---|---|---|
| P1 | L1 Cache Type | 1,2 2,3 | Pentium ODP Write Through Mode *Pentium ODP Write Back Mode |
| P5 | Onboard Video | 1,2 2-3 | Disable Onboard Video *Enable Onboard Video |
| P7 | Bus Clock Select | 1,2 2,3 | 25 MHz Processor Clock 33 MHz Processor Clock |
| P8 | Printer IRQ | 1,2 2,3 | *Printer on IRQ7 Printer on IRQ5 |
| P9 | CMOS Clear | Remove jumper for 10 seconds to clear CMOS |
* Default.