TELEVIDEO SYSTEMS, INC.
TELECAT-286
| Processor | 80286 | 
| Processor Speed | 6/8MHz | 
| Chip Set | Unidentified | 
| Video Chip Set | None | 
| Maximum Onboard Memory | 1MB | 
| Maximum Video Memory | None | 
| Cache | None | 
| BIOS | Unidentified | 
| Dimensions | 355mm x 304mm | 
| I/O Options | Parallel port, serial port, VGA port | 
| NPU Options | 80287 | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| Parallel port | CN1 | Speaker | CN3 | 
| Serial port | CN2 | External battery | J20 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Label | Position | |
| » | Factory configured - do not alter | SW1/1 | Off | 
| » | Monitor type select monochrome | SW1/2 | Off | 
| Monitor type select color | SW1/2 | On | |
| » | Factory configured - do not alter | SW1/5 | Unidentified | 
| » | Factory configured - do not alter | SW1/6 | Unidentified | 
| » | Factory configured - do not alter | SW1/7 | Unidentified | 
| Battery enabled | SW1/8 | On | |
| Battery disabled | SW1/8 | Off | |
| DRAM CONFIGURATION | ||||
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | 
| 256KB | (9) 41256 | None | None | None | 
| 512KB | (9) 41256 | (9) 41256 | None | None | 
| 640KB | (9) 41256 | (9) 41256 | (9) 4164 | (9) 4164 | 
| 1MB | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 | 
| Note: The location of the banks are unidentified. | ||||
| DRAM SWITCH CONFIGURATION | ||
| Size | SW1/3 | SW1/4 | 
| 256KB | On | On | 
| 512KB | Off | On | 
| 640KB | On | Off | 
| 1MB | Off | Off | 
| NPU SPEED SELECTION | ||
| Speed | W9 | W10 | 
| 4MHz | Pins 2 & 3 closed | Pins 1 & 2 closed | 
| 4.77MHz | Pins 1 & 2 closed | Pins 1 & 2 closed | 
| 5.33MHz | Pins 2 & 3 closed | Pins 1 & 2 closed | 
| Custom (supplied by user) | N/A | Pins 2 & 3 closed | 
| BIOS SELECTION | |||
| Type | W3 | W4 | |
| » | 32KB BIOS | Pins 2 & 3 closed | Pins 1 & 2 closed | 
| 128KB BIOS | Pins 1 & 2 closed | Pins 2 & 3 closed | |
| PARALLEL PORT SELECTION | |
| Setting | W2 | 
| Set as port 1 | Pins 1 & 2, 3 & 4 closed | 
| Set as port 2 | Pins 5 & 6, 7 & 8 closed | 
| SERIAL PORT SELECTION | |
| Setting | W1 | 
| Set as port 1 | Pins 1 & 2, 3 & 4 closed | 
| Set as port 2 | Pins 5 & 6, 7 & 8 closed |