OGIVAR, INC.
INTERSYSTEM 386/25
| Processor | 80386DX | 
| Processor Speed | 25MHz | 
| Chip Set | Unidentified | 
| Max. Onboard DRAM | 16MB (on external memory card) | 
| Cache | None | 
| BIOS | Unidentified | 
| Dimensions | 330mm x 218mm | 
| I/O Options | 32-bit external memory card (2) | 
| NPU Options | 80287/80387DX | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | J2 | Reset switch | JP3 or JP8 | 
| Speaker | J5 | 32-bit external memory card | SL1 & SL2 | 
| Power LED & keylock | J6 | ||
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | Factory configured - do not alter | J4 | N/A | 
| » | Factory configured - do not alter | J7 | N/A | 
| » | Battery type select external | JP1 | Open | 
| Battery type select internal | JP1 | Closed | |
| » | Monitor type select color | JP2 | Closed | 
| Monitor type select monochrome | JP2 | Open | |
| » | Power good signal detect from power supply | JP4 | pins 2 & 3 closed | 
| Power good signal detect from board | JP4 | pins 1 & 2 closed | |
| » | NPU synchronous with CPU | JP5 | pins 1 & 2 closed | 
| NPU asynchronous with CPU | JP5 | pins 1 & 2 closed | |
| DRAM CONFIGURATION (EXTERNAL MEMORY CARD) | ||||
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | 
| 1MB | (4) 256K x 9 | NONE | NONE | NONE | 
| 2MB | (4) 256K x 9 | (4) 256K x 9 | NONE | NONE | 
| 4MB | (4) 256K x 9 | (4) 256K x 9 | (4) 256K x 9 | (4) 256K x 9 | 
| 4MB | (4) 1M x 9 | NONE | NONE | NONE | 
| 6MB | (4) 1M x 9 | (4) 256K x 9 | (4) 256K x 9 | NONE | 
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE | 
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | 
| NPU TYPE SELECT | |||
| Type | JP6 | JP7 | |
| » | None | Closed | Open | 
| 80287 | Closed | Open | |
| 80387 | Open | Closed | |
| Note: Exact location of JP6 & JP7 is approximate. Both jumpers are labeled on the board. | |||