UNIDENTIFIED
386H
| Processor | 80386DX/CX486DLC | 
| Processor Speed | 25/33/40MHz | 
| Chip Set | OPTI | 
| Max. Onboard DRAM | 32MB | 
| Cache | 64/128/256KB | 
| BIOS | AMI | 
| Dimensions | 220mm x 220mm | 
| I/O Options | None | 
| NPU Options | 80387DX | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | J1 | Turbo switch | JP11 | 
| Power LED & keylock | J18 | Turbo LED | JP12 | 
| Speaker | J19 | Reset switch | SW1 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | CMOS memory normal operation | JP3 | pins 2 & 3 closed | 
| CMOS memory clear | JP3 | pins 1 & 2 closed | |
| Monitor type select color | JP4 | Closed | |
| Monitor type select monochrome | JP4 | Open | |
| » | Factory configured - do not alter | JP8 | N/A | 
| » | Factory configured - do not alter | JP9 | N/A | 
| 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 | 
| 20MB | (4) 4M x 9 | (4) 1M x 9 | 
| 32MB | (4) 4M x 9 | (4) 4M x 9 | 
| CACHE CONFIGURATION | |||
| Size | Bank 0 | Bank 1 | TAG | 
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 | 
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 | 
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 | 
| Note: The location of TAG is unidentified. | |||
| CACHE JUMPER CONFIGURATION | ||||
| Size | JP6 | JP10 | JP17 | JP18 | 
| 64KB | Open | pins 2 & 3 closed | Open | Open | 
| 128KB | Closed | pins 1 & 2 closed | Open | Closed | 
| 256KB | Closed | pins 2 & 3 closed | Closed | Closed | 
| CPU TYPE CONFIGURATION | ||
| Type | JP5 | JP20 | 
| 80386DX | Open | Open | 
| CX486DLC | Closed | pins 1 & 2 closed | 
| CPU SPEED CONFIGURATION | ||||
| Speed | JP2 | JP14 | JP15 | JP16 | 
| 25MHz | N/A | Closed | Open | Closed | 
| 33MHz | Closed | Open | Closed | Closed | 
| 40MHz | Open | Closed | Open | Open |