UNIDENTIFIED
PVI-486AP4
| Processor | 80386SX | 
| Processor Speed | 25/33/40MHz | 
| Chip Set | ALI | 
| Max. Onboard DRAM | 16MB | 
| Cache | None | 
| BIOS | AMI/Award | 
| Dimensions | 254mm x 218mm | 
| I/O Options | None | 
| NPU Options | 80387SX | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | J4 | Turbo switch & LED | J8 | 
| Reset switch | J6 | Power LED & keylock | J9 | 
| Speaker | J7 | ||
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | NPU synchronous with CPU | JP2 | pins 1 & 2 closed | 
| NPU asynchronous with CPU | JP2 | pins 2 & 3 closed | |
| » | CMOS memory normal operation | JP3 | Open | 
| CMOS memory clear | JP3 | Closed | |
| » | Monitor type select color | JP4 | pins 2 & 3 closed | 
| Monitor type select monochrome | JP4 | pins 1 & 2 closed | |
| » | Parity check enabled | JP6 | Open | 
| Parity check disabled | JP6 | Closed | |
| » | TTL installed | JP7 | Open | 
| TTL not installed | JP7 | Closed | |
| DRAM CONFIGURATION | ||
| Size | Bank 0 | Bank 1 | 
| 512KB | (2) 256K x 9 | NONE | 
| 1MB | (2) 256K x 9 | (2) 256K x 9 | 
| 2MB | (2) 1M x 9 | NONE | 
| 4MB | (2) 1M x 9 | (2) 1M x 9 | 
| 8MB | (2) 4M x 9 | NONE | 
| 16MB | (2) 4M x 9 | (2) 4M x 9 | 
| CPU SPEED CONFIGURATION | ||
| Speed | JP1 | JP5 | 
| 25MHz | pins 1 & 2 closed | pins 2 & 3 closed | 
| 33MHz | pins 2 & 3 closed | pins 2 & 3 closed | 
| 40MHz | pins 1 & 2 closed | pins 1 & 2 closed |