MICRO EXPRESS, INC.
FOREX 386 CACHE
| Processor | 80386DX | 
| Processor Speed | 33/40MHz | 
| Chip Set | FOREX | 
| Max. Onboard DRAM | 32MB | 
| Cache | 64/128/256KB | 
| BIOS | AMI | 
| Dimensions | 330mm x 218mm | 
| I/O Options | None | 
| NPU Options | 80387DX/3167 | 

| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | JP2 | Keylock & power LED | JP9 | 
| Turbo LED | JP7 | Speaker | JP10 | 
| Reset switch | JP8 | Turbo switch | JP11 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | Factory configured - do not alter | JP3 | N/A | 
| » | Factory configured - do not alter | JP100 | N/A | 
| » | DRAM parity check enabled | JP101 | Closed | 
| 
 | DRAM parity check disabled | JP101 | Open | 
| » | CMOS normal operation | JP202 | Open | 
| 
 | CMOS memory clear | JP202 | Closed | 
| CACHE CONFIGURATION | |||
| Size | Bank 0 | Bank 1 | TAG | 
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 | 
| 128KB | NONE | (4) 32K x 8 | (1) 8K x 8 | 
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 | 
| CACHE JUMPER CONFIGURATION | |||
| Size | JP6/A | JP6/B | JP6/C | 
| 64KB | pins 2 & 3 closed | pins 1 & 2 closed | pins 1 & 2 closed | 
| 128KB | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed | 
| 256KB | pins 1 & 2 closed | pins 2 & 3 closed | pins 2 & 3 closed | 
| DRAM CONFIGURATION | ||
| Size | Bank 0 | Bank 1 | 
| 1MB | (4) 256K x 9 | NONE | 
| 2MB | (4) 256K x 9 | (4) 256K x 9 | 
| 4MB | (4) 1M x 9 | NONE | 
| 5MB | (4) 256K x 9 | (4) 1M x 9 | 
| 8MB | (4) 1M x 9 | (4) 1M x 9 | 
| 16MB | (4) 4M x 9 | NONE | 
| 20MB | (4) 1M x 9 | (4) 4M x 9 | 
| 32MB | (4) 4M x 9 | (4) 4M x 9 |