UNIDENTIFIED
J-302 386DX/486DLC CACHE
| Processor | 80386DX/CX486DLC | 
| Processor Speed | 33/40MHz | 
| Chip Set | Unidentified | 
| Max. Onboard DRAM | 64MB | 
| Cache | 128KB | 
| BIOS | AMI/Award | 
| Dimensions | 220mm x 220mm | 
| I/O Options | None | 
| NPU Options | 80387DX | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | J1 | Turbo LED | JP5 | 
| Power LED & keylock | J16 | Speaker | JP6 | 
| Turbo switch | JP4 | Reset switch | S1 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | CMOS memory normal operation | JP1 | pins 2 & 3 closed | 
| CMOS memory clear | JP1 | pins 1 & 2 closed | |
| » | Monitor type select color | JP2 | Closed | 
| Monitor type select monochrome | JP2 | Open | |
| 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 | 
| 64MB | (4) 16M x 9 | NONE | 
| CACHE CONFIGURATION | ||
| Size | Bank 0 | TAG | 
| 128KB | (4) 32K x 8 | (1) 8K x 8 | 
| Note: Cache is factory installed and is not configurable. | ||
| CPU SPEED CONFIGURATION | |||
| Speed | JP7 | JP8 | JP9 | 
| 33MHz | Open | Closed | Open | 
| 40MHz | Closed | Closed | Open |