UNIDENTIFIED
8MHZ SYSTEM BOARD
| Processor | 8088 | 
| Processor Speed | 4.77/8MHz | 
| Chip Set | Unidentified | 
| Video Chip Set | None | 
| Maximum Onboard Memory | 640KB | 
| Maximum Video Memory | None | 
| Cache | None | 
| BIOS | Unidentified | 
| Dimensions | 330mm x 218mm | 
| I/O Options | None | 
| NPU Options | 8087 | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| Reset switch | JP1 | Speaker | JP4 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Label | Position | |
| » | Factory configured - do not alter | SW1/1 | Off | 
| NPU not installed | SW1/2 | On | |
| NPU installed | SW1/2 | Off | |
| DRAM CONFIGURATION | 
| Note: The location of the banks are unidentified. The number and type of memory chips is unidentified. | 
| DRAM SWITCH CONFIGURATION | ||
| Size | SW1/3 | SW1/4 | 
| 128KB | Off | On | 
| 192KB | On | Off | 
| 256KB | Off | Off | 
| DRAM JUMPER CONFIGURATION | |
| Size | JP3 | 
| 4164 chips installed | Pins 2 & 3 closed | 
| 41256 & 4164 chips installed | Pins 1 & 2 closed | 
| CPU SPEED SELECTION | |
| Speed | JP2 | 
| 4.77MHz | Closed | 
| 8MHz | Open | 
| FLOPPY DRIVE SELECTION | ||
| Drives installed | SW1/7 | SW1/8 | 
| 1 | On | On | 
| 2 | Off | On | 
| 3 | On | Off | 
| 4 | Off | Off | 
| MONITOR SELECTION | ||
| Multiplier | SW1/5 | SW1/6 | 
| None | On | On | 
| Color (40 x 20) | Off | On | 
| Color (80 x 25) | On | Off | 
| Monochrome | Off | Off |