MULTIBEST INDUSTRIAL & MANUFACTURING, INC.
MB386SX3
| Processor | 80386SX | 
| Processor Speed | 16/20/25MHz | 
| Chip Set | Headland | 
| Max. Onboard DRAM | 8MB | 
| Cache | None | 
| BIOS | AMI | 
| Dimensions | 218mm x 218mm | 
| I/O Options | None | 
| NPU Options | 80387SX | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | JP2 | Turbo switch | JP10 | 
| Turbo LED | JP8 | Speaker | JP11 | 
| Reset switch | JP9 | Power LED & keylock | JP12 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | CMOS memory normal operation | JP1 | pins 1 & 2 closed | 
| CMOS memory clear | JP1 | pins 2 & 3 closed | |
| » | Factory configured - do not alter | JP3 | N/A | 
| » | Monitor type select color | P5 | Closed | 
| Monitor type select monochrome | P5 | Open | |
| DRAM CONFIGURATION | ||||
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | 
| 512KB | (2) 256K x 9 | NONE | NONE | NONE | 
| 1MB | (2) 256K x 9 | NONE | (2) 256K x 9 | NONE | 
| 1.5MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | NONE | 
| 2MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | 
| 2MB | (2) 1M x 9 | NONE | NONE | NONE | 
| 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 | 
| 4.5MB | (2) 1M x 9 | (2) 1M x 9 | (2) 256K x 9 | NONE | 
| 5MB | (2) 1M x 9 | (2) 1M x 9 | (2) 256K x 9 | (2) 256K 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 |