EDE ELECTRONIC LABORATORY SERVICES
CACHE 386
| Processor | 80386DX | 
| Processor Speed | 25/33MHz | 
| Chip Set | Unknown | 
| Max. onboard DRAM | 4MB (16MB external) | 
| SRAM Cache | 32/64KB | 
| BIOS | AMI/Phoenix | 
| Dimensions | 355mm x 305mm | 
| I/O Options | 32-bit memory card | 
| NPU Options | 80387DX/3167 | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| Speaker | J1 | Reset switch | W3 | 
| Power LED & Keylock | J2 | Turbo switch | W4 | 
| External battery | J4 | Turbo LED | W5 | 
| 32-bit external memory card | S1 | ||
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper/Switch | Position | |
| » | Factory configured - do not alter | SW2/1 | Off | 
| » | Factory configured - do not alter | SW2/3 | Off | 
| » | Video BIOS shadowing enabled | SW2/4 | On | 
| Video BIOS shadowing disabled | SW2/4 | Off | |
| » | Factory configured - do not alter | SW2/5 | Off | 
| » | Monitor type select color | SW2/6 | On | 
| Monitor type select monochrome | SW2/6 | Off | |
| » | Cache enabled | SW2/7 | On | 
| Cache disabled | SW2/7 | Off | |
| » | Bus speed select 8.3MHz | SW2/8 | Off | 
| Bus speed select 12.5 MHz | SW2/8 | On | |
| » | Factory configured - do not alter | W1 | Unknown | 
| » | Factory configured - do not alter | W2 | Unknown | 
| CACHE CONFIGURATION | ||
| Size | Bank 0 | Bank 1 | 
| 32KB | (4) 8K x 8 | NONE | 
| 64KB | (4) 8K x 8 | (4) 8K x 8 | 
| CACHE JUMPER CONFIGURATION | |||
| Size | W4 | W8 | W13 | 
| Disabled | pins 2 & 3 closed | N/A | N/A | 
| 32KB | pins 1 & 2 closed | Closed | pins 1 & 2 closed | 
| 64KB | pins 1 & 2 closed | Open | pins 2 & 3 closed | 
 
| DRAM CONFIGURATION | ||||||
| Jumper | 1MB | 2MB | 4MB | 8MB | 12MB | 16MB | 
| SW1/1 | On | Off | On | Off | Off | Off | 
| SW1/2 | Off | On | On | On | Off | Off | 
| SW1/3 | On | On | Off | Off | Off | Off | 
| SW1/4 | On | On | Off | Off | Off | Off | 
| JP1 | Open | Open | Open | Open | Open | Open | 
| JP2 | Open | Open | Open | Open | Closed | Closed | 
| JP3 | Open | Open | Open | Closed | Open | Closed | 
| Bank 0 | 256K x 1 | 256K x 1 | 1024 x 1 | 1024 x 1 | 1024 x 1 | 1024 x 1 | 
| Bank 1 | NONE | 256K x 1 | NONE | 1024 x 1 | 1024 x 1 | 1024 x 1 | 
| Bank 2 | NONE | NONE | NONE | NONE | (4) 1M x 9 | (4) 1M x 9 | 
| Bank 3 | NONE | NONE | NONE | NONE | NONE | (4) 1M x 9 | 
| Note: JP1, JP2, JP3, Bank 1, Bank 2, and Bank 3 are located on the 32-bit external memory card. | ||||||
| NPU CONFIGURATION | ||||
| NPU | Mode | SW2/2 | W7 | W11 | 
| Disabled | N/A | Off | N/A | N/A | 
| 80387DX/3167 | Asynchronous | On | pins 1 & 2 closed | pins 2 & 3 closed | 
| 80387DX/3167 | Synchronous | On | pins 2 & 3 closed | pins 1 & 2 closed |