UNIDENTIFIED
10MHz/8MHz SYSTEM BOARD
| Processor | 8088 | 
| Processor Speed | 8/10MHz | 
| Chip Set | Unidentified | 
| Max. Onboard DRAM | 640KB | 
| 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 | 
| Keylock | JP2 | Power LED | JP7 | 
| Turbo LED | JP3 | ||
| USER CONFIGURABLE SETTINGS | |||
| Function | Switch | Position | |
| NPU enabled | SW1/2 | Off | |
| NPU disabled | SW1/2 | On | |
| DRAM CONFIGURATION | ||||
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | 
| 256K | (9) 41256 | NONE | NONE | NONE | 
| 512K | (9) 41256 | (9) 41256 | NONE | NONE | 
| 640K | (9) 41256 | (9) 41256 | (9) 4164 | (9) 4164 | 
| DRAM JUMPER CONFIGURATION | ||
| Size | SW1/3 | SW1/4 | 
| None | On | On | 
| 256KB | Off | Off | 
| 512KB | On | Off | 
| 640KB | Off | On | 
| CPU SPEED CONFIGURATION | |
| Speed | SW1/1 | 
| 4.77MHz | Off | 
| 8MHz | On | 
| 10MHz | On | 
| MONITOR TYPE SELECTION | ||
| Type | SW1/5 | SW1/6 | 
| None | On | On | 
| Color 40 x 20 | Off | On | 
| Color 80 x 25 | On | Off | 
| Monochrome or both | Off | Off | 
| FLOPPY DRIVE CONFIGURATION | ||
| Number of drives | SW1/7 | SW1/8 | 
| 1 | On | On | 
| 2 | Off | On | 
| 3 | On | Off | 
| 4 | Off | Off |