FOREX COMPUTER CORPORATION
80386SX-25/33
| Processor | 80386SX | 
| Processor Speed | 25/33MHz | 
| Chip Set | Forex | 
| Max. Onboard DRAM | 16MB | 
| Cache | 16/64KB | 
| BIOS | AMI | 
| Dimensions | 330mm x 218mm | 
| I/O Options | None | 
| NPU Options | 80387SX | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | JP2 | Power LED & keylock | JP9 | 
| Turbo LED | JP7 | Speaker | JP10 | 
| Reset switch | JP8 | Turbo switch | JP11 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | Monitor type select monochrome | JP3 | Closed | 
| Monitor type select color | JP3 | Open | |
| » | Factory configured - do not alter | JP12 | Closed | 
| » | CMOS memory normal operation | JP13 | Open | 
| CMOS memory clear | JP13 | Closed | |
| DRAM CONFIGURATION | ||||
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | 
| 1MB | (2) 256K x 9 | (2) 256K x 9 | NONE | NONE | 
| 2MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | 
| 3MB | (2) 256K x 9 | (2) 256K x 9 | (2) 1M x 9 | NONE | 
| 4MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE | 
| 5MB | (2) 256K x 9 | (2) 256K x 9 | (2) 1M x 9 | (2) 1M x 9 | 
| 6MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | NONE | 
| 8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | 
| 8MB | (2) 4M x 9 | NONE | NONE | NONE | 
| 9MB | (2) 256K x 9 | (2) 256K x 9 | (2) 4M x 9 | NONE | 
| 10MB | (2) 1M x 9 | (2) 4M x 9 | NONE | NONE | 
| 12MB | (2) 1M x 9 | (2) 1M x 9 | (2) 4M x 9 | NONE | 
| 16MB | (2) 4M x 9 | (2) 4M x 9 | NONE | NONE | 
| CACHE CONFIGURATION | |||
| Size | Bank 0 | TAG (U15) | TAG (U16) | 
| 16KB | (2) 8K x 8 | NONE | (1) 8K x 8 | 
| 64KB | (2) 32K x 8 | (1) 8K x 8 | (1) 8K x 8 | 
| CACHE JUMPER CONFIGURATION | ||
| Size | JP6A | JP6B | 
| 16KB | pins 1 & 2 closed | pins 1 & 2 closed | 
| 64KB | pins 2 & 3 closed | pins 2 & 3 closed |